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3G SCNSIG

Switching Core NetworkSignalling

Training Document M13MEGACO

13-459936Issue 1.0 en Nokia Networks Oy 1 (52)

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Switcin! "ore Network Si!na##in!

$e in%or&ation in tis 'ocu&ent is suect to can!e witout notice an' 'escries on#y te*ro'uct 'e%ine' in te intro'uction o% tis 'ocu&entation. $is 'ocu&ent is inten'e' %or teuse o% Nokia+s custo&ers on#y %or te *ur*oses o% te a!ree&ent un'er wic te 'ocu&ent issu&itte', an' no *art o% it &ay e re*ro'uce' or trans&itte' in any %or& or &eans witoutte *rior written *er&ission o% Nokia. $e 'ocu&ent as een *re*are' to e use' y

*ro%essiona# an' *ro*er#y traine' *ersonne#, an' te custo&er assu&es %u## res*onsii#itywen usin! it. Nokia we#co&es custo&er co&&ents as *art o% te *rocess o% continuous'ee#o*&ent an' i&*roe&ent o% te 'ocu&entation.

$e in%or&ation or state&ents !ien in tis 'ocu&ent concernin! te suitai#ity, ca*acity, or*er%or&ance o% te &entione' ar'ware or so%tware *ro'ucts cannot e consi'ere' in'in!ut sa## e 'e%ine' in te a!ree&ent &a'e etween Nokia an' te custo&er. oweer, Nokiaas &a'e a## reasona#e e%%orts to ensure tat te instructions containe' in te 'ocu&ent area'e/uate an' %ree o% &ateria# errors an' o&issions. Nokia wi##, i% necessary, e*#ain issueswic &ay not e coere' y te 'ocu&ent.

Nokia+s #iai#ity %or any errors in te 'ocu&ent is #i&ite' to te 'ocu&entary correction o%errors. NOI I NO$ 7S8ONSI IN N :N$ ;O7 77O7S IN $IS

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"ontents

Contents

1 Overview

! "rotocol structure2.1 >essa!e structure.......................................................................2.2 "o'es..........................................................................................

3 Connection mo#el3.1 $er&ination..................................................................................3.1.1 $er&ination I 393A.............................................................................6.3.2 ALARM 3938..............................................................................6.3.3 7> 3943.............................................................................6.3.4 7> 3944.............................................................................6.3.5 "#ear co'es................................................................................

) *asic Call setu' e+am'le ,,,-ast -orwar#Tunneling .or N/ inter.ace

0 Messages log .or local call 2E2E4

5e.erences %1


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4 (52) Nokia Networks Oy 13-459936Issue 1.0 en

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>essa!es #o! %or #oca# ca## ( =-=)

1 Overview

Megaco is a new protocol developed by IET Megaco !or"ing #ro$ptoget%er wit% IT&'T (t$dy #ro$p )6 to be t%e standard *or p%ysicallydeco+posed +$lti+edia gateway str$ct$res. Re*erences *or Megaco areavailable in R, 28- /re0$ire+ents1 and R, 3-) w%ic% %ave beenreplaced by R,32 in $ne 2--3. T%e protocol is speci*ied by IET asMegaco and by IT&'T as 4.258 t%e latest one is 4.258.) version 2 inMay 2--2.

Megaco addresses t%e relations%ip between Media #ateways /M#1 andMedia #ateway ,ontrollers /M#,1. /(ee ig$re)1 T%is relations%ip %as a+asterslave str$ct$re w%ere +asters are M#,s and slave devices are M#sw%ic% e7ec$te co++ands sent by +aster devices.

Megaco is a one to one protocol w%ere eac% M# is controlled by only oneM#,.

;i!ure 1. >e!aco connects >? an' >?"

Media #ateway /M#1 T%e +edia gateway converts +edia provided in onetype o* networ" to t%e *or+at re0$ired in anot%er type o* networ". ore7a+ple a M# co$ld ter+inate bearer c%annels *ro+ a switc%ed circ$itnetwor" and +edia strea+s *ro+ a pac"et networ".

Media #ateway ,ontroller /M#,1,ontrols t%e parts o* t%e call state t%atpertain to connection control *or +edia c%annels in a M#.


Media

Gateway

Controller

Media

Gateway

Controller

MediaGateway MediaGateway

I,,(I:

I:ATM

Megaco/ H.248

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! "rotocol structure

or transport o* t%e protocol over I: M#,s s%all i+ple+ent bot% T,: and&;: a M# s%all i+ple+ent T,: or &;: or bot%. or p$re I: connections4.258(,T:I: s%o$ld be $sed. T%e M# is provisioned wit% a na+e oraddress /s$c% as ;

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ME#A, Message (tr$ct$re and (ynta7

' Header protocol version originator ' Transaction largest *$nctional $nit o* t%e protocol B ,onsist o* one or +ore actions B Transaction re0$est/B1 transaction reply/'1 transaction pending ' Actions one or +ore in transaction B ,onsist o* a series o* co++ands. t%at are li+ited to operating wit%in a

single conte7t B In*or+ation relating to a single conte7t ' Commands +anip$lating t%e logical entities ' Descriptors t%e para+eter to a co++and B Media describe t%e trans*or+ations to be applied to +edia *lows B Events Event$**er bservedEvents report t%e events to M#, B (ignals proceeding *ro+ t%e ter+ination

Megaco67!$0 message

7ea#er Transaction5e8 or 5e'l9

Transaction5e8 or 5e'l9

Transaction5e8 or 5e'l9

Trans 7#r Action Action

Ct+ 7#r Ct+ "ro'ertiesComman# Comman#

Cm# 7#r Descri'tor Descri'tor

ig$re 3 Megaco Message (tr$ct$re

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!! Co#es

Megaco s$pports bot% binary and te7t encoding +eans A(

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> 29 bits its $sage dependent on Ter+ination type. T%e $seage *or T;Mter+ination is de*ined as *ollowing

:,M syste+ 25 bits.&sage $nspeci*ied. &ni0$ely identi*ies :,M inter*ace in M#w

Individ$al bitsMa7. o* 32 individ$als /ti+eslots1 per :,M syste+ /+a7. 25 *or a

25 c%annel syste+1

313 Termination 'ro'erties an# #escri'tors

Ter+inations %ave properties. T%e properties %ave $ni0$e :ropertyI;s.Most properties %ave de*a$lt val$es w%ic% are e7plicitly de*ined in t%is

protocol speci*ication or in a pac"age or set by provisioning. I* notprovisioned ot%erwise t%e properties in all descriptors e7cept Ter+ination(tate and Local,ontrol de*a$lt to e+ptyHno val$eH w%en a Ter+ination is*irst created or ret$rned to t%e n$ll ,onte7t. T%e provisioning o* a propertyval$e in t%e M# will override any de*a$lt val$e be it s$pplied in t%is

protocol speci*ication or in a pac"age. T%ere*ore i* it is essential *or t%eM#, to %ave *$ll control over t%e property val$es o* a Ter+ination its%o$ld s$pply e7plicit val$es w%en A;;ing t%e Ter+ination to a ,onte7t.Alternatively *or a p%ysical Ter+ination t%e M#, can deter+ine any

provisioned property val$es by a$diting t%e Ter+ination w%ile it is in t%e

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co++and responder c%ooses one val$e *ro+ t%e o**ered list and ret$rns t%atval$e to t%e co++and initiator.

;i!ure 5 $er&ination *ro*erties an'

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are wit% respect to t%e e7terior o* t%e ,onte7t so t%at *or e7a+ple a strea+set to +ode J sendnly does not pass received +edia into t%e ,onte7t. T%ede*a$lt val$e *or t%e +ode property is HInactiveH. (ignals and Events are nota**ected by +ode. ?o$ can *ind ot%er descriptors in Table ) ;escriptors

page )3.

31$ Signal

M#, +ay as" a M# to apply certain signals /e.g. dial tone ringing tone1 toa ter+ination. In t%e case t%at ringing or a generated tone is needed t%eM#s s%o$ld be able to send t%is signals. Megaco cares abo$t t%is andincl$des so+e *acility to apply signal to ter+inations and control t%e+.Moreover async%rono$s events s$c% as off hookon a p%one or ;TM key

press co$ld be detected at t%e M# and reported to t%e M#,.

;i!ure 6 Si!na#

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;escriptor na+e ;escription

Mode+ Identi*ies +ode+ type and properties w%en applicable. /

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31& Event

Events de*ined by t%e pac"age speci*ying

Event na+e only descriptive

EventI; is an identi*ier ;escription

Events;escriptor :ara+eters $sed by t%e M#, to con*ig$re t%e event and *o$nd in t%e Events;escriptor.

bservedEvents;escriptor :ara+eters ret$rned to t%e M#, in

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3! Conte+t

A conte7t is created as a +i7ing bridge between ter+inations. Two or +oreter+inations +ay be placed into a conte7t in order to +i7 and connect t%e+.

A conte7t is created w%en a new ter+ination is added to it and re+ovedw%en t%e last ter+ination is re+oved *ro+ it. A Ter+ination (4ALL e7ist inonly one ,onte7t at a ti+e.

T%ere is a special nullconte7t w%ic% %olds t%e persistent ter+inations w%ilet%ey are not in $se. ,onte7ts are created and released wit% t%e %elp o*co++ands. Eac% conte7t %as a na+e and an id /ContextID t%at is givena*ter t%e creation o* it.

,onte7t I;s +ay also be wildcarded. In t%e case o* ,onte7t I;s %oweverspeci*ying partial na+es is not allowed. ,onte7t I; -7- (4ALL be $sed toindicate t%e

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associationspeci*ies %ow +edia *lows between t%ese two Ter+inations as*ollows.

/!" !# isolate1 +eans t%at t%e Ter+inations +atc%ing !#donot receive +edia *ro+ t%e Ter+inations +atc%ing !" norvice versa.

/!" !# oneway1 +eans t%at t%e Ter+inations t%at +atc% !#receive +edia *ro+ t%e Ter+inations +atc%ing !" b$t notvice versa. In t%is case $se o* t%e ALL wildcard s$c% t%att%ere are Ter+inations t%at +atc% bot% !" and !# is notallowed.

/!" !# bot%way1 +eans t%at t%e Ter+inations +atc%ing !#receive +edia *ro+ t%e Ter+inations +atc%ing !" and viceversa. In t%is case it is allowed to $se wildcards s$c% t%att%ere are Ter+inations t%at +atc% bot% !"and !#. 4owever

i* t%ere is a Ter+ination t%at +atc%es bot% no loopbac" isintrod$ced.

.24B.1:2 ;0A

,onte7t )

)1

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Topology Description

)

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A$dital$eF co++and ret$rns t%e c$rrent state o* properties events andsignals o* Ter+inations.

A$dit,apabilitiesF co++and ret$rns all t%e possible val$es *orTer+ination properties events and signals allowed by t%e Media #ateway.

(ervice,%angeF co++and creates a connection between M# and M#,.T%is co++and co$ld be sent also *ro+ M# to M#,. T%e (ervice,%ange,o++and allows t%e Media #ateway to noti*y t%e Media #ateway,ontroller t%at a Ter+ination or gro$p o* Ter+inations is abo$t to be ta"eno$t o* service or %as D$st been ret$rned to service.

(ervice,%ange is also $sed by t%e M# to anno$nce its availability to anM#, /registration1 and to noti*y t%e M#, o* i+pending or co+pletedrestart o* t%e M#.

*oti+y. T%e

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% Transactions

,o++ands between t%e Media #ateway ,ontroller and t%e Media #atewayare gro$ped into Transactions eac% o* w%ic% is identi*ied by aTransactionI;. Transactions consist o* one or +ore Actions. An Actionconsists o* a non'e+pty series o* ,o++ands ,onte7t property+odi*ications or ,onte7t property a$dits t%at are li+ited to operatingwit%in a single ,onte7t.

,onse0$ently eac% Action typically speci*ies a ,onte7tI;. 4owever t%ereare two circ$+stances w%ere a speci*ic ,onte7tI; is not provided wit% anAction. ne is t%e case o* +odi*ication o* a Ter+ination o$tside o* a,onte7t. T%e ot%er is w%ere t%e controller re0$ests t%e gateway to create anew ,onte7t.

In t%e *ollowing *ig$re t%e relations%ip between transaction conte7t or

action and co++and is s%ownE7a+ple *ro+ a Transaction

Transaction /TransactionIdJ)235

,onte7tIdJS Add/T3 1

,onte7tIdJ,) Modi*y/T) 1 1

TRATI;2

,MMA

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T%e TransactionI; para+eter +$st speci*y a "eyword val$e *orcorrelation wit% t%e corresponding TransactionRe0$est *ro+ t%esender.

T%e ,onte7tI; para+eter +$st speci*y a val$e to pertain to all Responses

*or t%e action. T%e ,onte7tI; +ay be speci*ic or n$ll.

Transaction co++ands are de*ined as *ollows

Transaction!e,(est-Transactiond

,onte7tI; ,o++and ,o++andN

. . .

,onte7tI; ,o++and ,o++and N N1

Transaction!eply-TransactionD

,onte7tI; Response Response N

. . .

,onte7tI; Response Response N N1

Transaction0ending-TransactionD 1

A Transaction:ending indicates t%at t%e Transaction is actively beingprocessed b$t %as not been co+pleted. It is $sed to prevent t%e sender *ro+ass$+ing t%e TransactionRe0$est was lost w%ere t%e Transaction will ta"eso+e ti+e to co+plete.

Transactions are presented as TransactionRe0$ests. ,orrespondingresponses to a TransactionRe0$est are received in a single reply possibly

preceded by a n$+ber o* Transaction:ending +essages.

Transactions g$arantee ordered ,o++and processing. T%at is ,o++andswit%in a Transaction are e7ec$ted se0$entially. rdering o* Transactions is

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A TransactionReply incl$des t%e res$lts *or all o* t%e ,o++ands in t%ecorresponding TransactionRe0$est. T%e TransactionReply incl$des t%eret$rn val$es *or t%e ,o++ands t%at were e7ec$ted s$ccess*$lly and t%e,o++and and error descriptor *or any ,o++and t%at *ailed.

Transaction:ending is $sed to periodically noti*y t%e receiver t%at aTransaction %as not co+pleted yet b$t is actively being processed.

Applications (4&L; i+ple+ent an application level ti+er pertransaction. E7piration o* t%e ti+er s%o$ld ca$se a retrans+ission o* t%ere0$est. Receipt o* a Reply s%o$ld cancel t%e ti+er. Receipt o* :endings%o$ld restart t%e ti+er.

T%e 4.258Anne7 ; speci*ication g$ideline *or load s%aring according tot%e TransactionI; is not i+ple+ented and t%ere*ore t%ere is no speci*icn$+ber space reserved *or eac% M#.

TransactionI; is reserved in se0$ential order between t%e +ini+$+ and

+a7i+$+ val$es given in 4.258Anne7 A and . A*ter t%e +a7i+$+ val$eis reac%ed t%e reservation begins again *ro+ t%e +ini+$+ val$e. Looprange is *ro+ - to 529596P29 /7 1. T%e *$nctionality is t%esa+e in bot% t%e M#, and t%e M#.

T%e +a7i+$+ n$+ber o* Transactions in a +essage is ) and t%e +a7i+$+n$+ber o* Actions in a Transaction is ).


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& Im'lementation in NO(IA

T%e 4.258 protocol is $sed in t%e Mc inter*ace between M(, (erver andM#! Rel.5. M(, (erver controls t%e $ser plane ter+inations and conte7tsin M#! Rel.5 t%ro$g% t%e Mc inter*ace.

As regards t%e bene*its t%e 4.258 protocol provides t%e *ollowing

open and standardised inter*ace

switc%ing and signalling reso$rces can be opti+ised independently

co++$nication is possible between di**erent +edia ter+inations

;i!ure 11 Nokia "S core network so#ution ase' on 3?88 7e#.4

y $sing t%e 4.258 protocol M(, server re0$ests M#! Rel.5 to *or+ atrans+ission connection. T%e connection is *or+ed by $sing conte7ts andter+inations. A conte7t is an association between a collection o*ter+inations. A ter+ination is an obDect t%at so$rces and sin"s one or +ore+edia strea+s. A ter+ination is eit%er p%ysical or ep%e+eral. A :,Mti+eslot is an e7a+ple o* a p%ysical ter+ination and I: and ATMter+inations are e7a+ples o* ep%e+eral ter+inations.


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T%e *or+ing o* a trans+ission connection begins wit% M(, (erver $singt%e 4.258 protocol to re0$est a ter+ination *ro+ M#! Rel.5. A*ter t%isM#! Rel.5 reserves a conte7t *or t%e re0$ested ter+ination. M#! Rel.5in*or+s M(, (erver o* t%e reserved conte7t and w%en M(, (erver receivest%e conte7t I; it can re0$est anot%er ter+ination *or t%e sa+e conte7t I;and t%e connection is establis%ed. T%ere is a special conte7t n$ll conte7tt%at contains all t%e p%ysical ter+inations t%at %ave not been reserved by t%eM#! Rel.5. A conte7t can %ave +ore t%an two ter+inations t%at areconnected wit% eac% ot%er. T%is *$nctionality is needed a+ong ot%er t%ingsin s$pple+entary services and %andover.

In t%e con*erence service $p to 6 s$bscribers can be connected in acon*erence call. ($bscribers can be added to and re+oved *ro+ t%econ*erence service dyna+ically. ($bscribers are addedre+oved one by oneto*ro+ t%e con*erence call.

&1 -unctionalit9

T%e 4.258 protocol *$nctionality consists o* t%e *ollowing +ain ele+ents

I: %eader

T,:(T,: %eader

4.258 +essage

0 3eader

M#! Rel.5 s$pports I:v5 *or trans*erring 4.258 +essages.TC0/SCT0 3eader

M#! Rel.5 s$pports T,: and (,T: as transport types. T%e $sed (,T:type +ay be eit%er +$lti%o+ing or single %o+ing. I* t%ere are severalM#!s in t%e networ" t%e transport type is con*ig$red *or eac% M#!.

T,: trans+ission control protocol t%at provides t%e transport servicelocated in t%e transport layer o* t%e (I +odel

(,T: strea+ control trans+ission protocol t%at speci*ically designed totransport signalling protocols w%ic% re0$ire a teleco+ carrier'grade 0$alityo* service over I: networ"s


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&! Some 'roce#ures

&!1 NE =heart/eat= 'roce#ure

T%e M#, provides a O%eartbeatO proced$re i+ple+ented wit% t%eA$dital$e ,o++and. In t%is case ,onte7tI; is OALLO Ter+inationI; isORTO and A$dit;escriptor is e+pty in A$dital$eRe0$est. It is $sed i*any ot%er 4.258 +essages are not trans*erred wit%in a certain ti+e val$etowards a certain M#!.

T%e de*a$lt ti+er val$e is two seconds /val$e is internally con*ig$rable1.I*t%e M#! does not receive t%is A$dit ,o++and it s%$ts down t%e 4.258control connection. T%e de*a$lt ti+er val$e is t%ree seconds /val$e isinternally con*ig$rable1.

T%ese proced$res are i+ple+ented in order to +a"e a *aster recovery *ro+*ail$re sit$ations. T%is proced$re is i+ple+ented according to t%e dra*tO4eartbeatO :ac"age plans w%ere t%is ti+er val$e can be negotiated in t%e4.258 inter*ace.

&!! 2sage o. Transaction5es'onseAck

I+ple+entation wit% T,: transport protocols is co+pleted by adding t%ei+ple+entation o* t%e TransactionResponseAc" and t%e i++Ac"re0$ired

para+eters to +ini+ise t%e +e+ory cons$+ption o* t%e saved reply data.

&!3 Conte+t =heart/eat= 'roce#ure

T%e M#, provides a O%eartbeatO proced$re i+ple+ented wit% t%e A$dital$e ,o++and. In t%is case ,onte7tI; is speci*ic Ter+inationI; isOALLO and t%e A$dit;escriptor is e+pty in t%e A$dital$eRe0$est. ;e*a$ltti+er val$e is )- +in$tes/val$e is internally con*ig$rable1. I* t%e M#, getscertain error codes /O$n"nown ,onte7tI;O1 in Reply it releases t%ecorresponding reso$rses related to t%at ,onte7t.

I* t%e M#! does not receive t%is A$dit ,o++and it c%ec"s wit%(ervice,%angeRe0$est t%at everyt%ing is all rig%t. In t%is case ,onte7tI; isspeci*ic Ter+inationI; is OALLO (ervice,%angeMet%od is #race*$l(ervice,%angeReason is O9-5O and (ervice,%ange;elay is OO /w%ic%+eans t%e longest ti+e t%at can be trans*erred in t%e ;elay para+eter1.;e*a$lt ti+er val$e is ) +in$tes/val$e is internally con*ig$rable1 to e7pectA$dit re*res%. I* t%e M#! gets certain error codes /O$n"nown ,onte7tI;O1in Reply it releases t%e corresponding reso$rces related to t%at ,onte7t.T%ese proced$res are i+ple+ented in order to +a"e a *aster recovery *ro+*ail$re sit$ations and to g$arantee t%at reso$res do not %ang too long.

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&!$ Connecting announcements an# tones

To avoid sync%roni=ation proble+s in case o* anno$nce+ents and tonesd$ring %andover M(( $ses separate ter+ination in ,onte7t to connect tonesand anno$nce+ents in M#!. Toneanno$nce+ent ter+ination is reservedwit%o$t any data in Media;escriptor *or e7a+ple bearer type is notde*ined. In t%at case M#! reserves a Ovirt$al ter+inationO to %andle only t%egiven (ignal;escriptor and connection s$bsriber ter+ination. M(( $sesTopology to connect t%e ter+ination OonewayO to s$bsrciber ter+ination.

&3 Alarms an# Clear Co#es

6.3.1 7> 393A

393P 4.258. I: ,

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($pple+entary in*or+ation *ields

) -- (,T:

-) (,T:

2 it indicates t%e I; o* M#! w%ere t%e brea" in t%e connection was

detected.

Instr$ctions

T%e alar+ re0$ires no actions.

,ancelling

;o no cancel t%e alar+. T%e syste+ cancels t%e alar+ a$to+atically w%en

t%e *a$lt %as been corrected.

6.3.3 7> 3943

3953 4.258 ERRR ,;E RE,EIE;

Meaning

T%e error code 4.258 %as been received.


Instr$ctions

(tart ME#A, protocol +eas$re+ent wit% t%e @M MML.

@M( ' (TART ME#A, MEA(&REME

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Meaning

T%e error code 4.258 %as been sent.


Instr$ctions(tart ME#A, protocol +eas$re+ent wit% t%e @M MML.

@M( ' (TART ME#A, MEA(&REME

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) *asic Call setu' e+am'le ,,,-ast-orwar# Tunneling .or N/ inter.ace


7N"-57N"- >SS- >?3-

7esere N ter&ination- $unne# O*tion 1[Prepare Bearer,Change Through-Connection,Tunnel Information Down]

24BC "ontetI

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0 Messages log .or local call 2E2E4

SiMoGat Conn:1 7 10:26:15.479

REPORT_DATA

Connection Identifier

- element name: mss

- MGWID: 0x00000000

SiMoGat message header

- Version: 0x01

- Protocol type: H.248 (0x02)

- Length: 332 (0x014C)

- Timestamp: 10:24:45.49 11.10.2004

- Reporting unit: 015C 0001

- Trigger offset: 0xFFFF

- Trigger length: 0xFFFF

- Error code: 0xFFFF - IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010

- Message length: 283

MegacoMessage

mess

- version: 1

mId

ip4Address

- address: 10.64.6.129

- portNumber: 2945

messageBody

transactions

Transaction

transactionRequest

- transactionId: 500282365 (0x1DD1B3FD)

actions

ActionRequest

- contextId: 0xFFFFFFFE

commandRequests

CommandRequest

command

addReq

terminationID

wildcard

- WildcardField: 0x5F

- id: 00 00 00 00

descriptors

AmmDescriptor

mediaDescriptor

streams

oneStream

localControlDescriptor

streamMode: sendRecv

propertyParms


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- element name: mss

- MGWID: 0x00000000


- Version: 0x01


- Length: 178 (0x00B2) - Timestamp: 10:24:45.49 11.10.2004




- Error code: 0xFFFF

- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010


MegacoMessage

mess

- version: 1

mId

ip4Address

- address: 10.64.7.129

- portNumber: 8010

messageBody

transactions

Transaction

transactionReply

- transactionId: 500282365 (0x1DD1B3FD)

transactionResult

actionReplies

ActionReply

- contextId: 0x00B20196

commandReply

CommandReply

addReply

terminationID

wildcard

- id: 21 66 00 00

terminationAudit

AuditReturnParameter

mediaDescriptor

streams

oneStream

localDescriptor propGrps

PropertyGroup

PropertyParm

- name: Media Stream / BIR

- undecoded value: 04 04 01 09 A5 51

PropertyParm

- name: Media Stream / NSAP

- undecoded value: 04 14 45 00 00 00 08 61 39 00 9F 00 00 00 00 00 00 00 00 00 00 00

SiMoGat Conn:1 9 10:26:17.351


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REPORT_DATA


- element name: mss

- MGWID: 0x00000000


- Version: 0x01 - Protocol type: H.248 (0x02)

- Length: 490 (0x01EA)

- Timestamp: 10:24:47.36 11.10.2004





- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010


MegacoMessage

mess

- version: 1

mId

ip4Address

- address: 10.64.6.129

- portNumber: 2945

messageBody

transactions

Transaction

transactionRequest

- transactionId: 500283476 (0x1DD1B854)

actions

ActionRequest


contextRequest

- priority: 0x0000

topologyReq

TopologyRequest

terminationFrom


- id: 00 00 00 00

terminationTo

- WildcardField: 0xDF

- id: 00 00 00 00

- topologyDirection: isolate

commandRequests

CommandRequest

command

addReq

terminationID

wildcard


- id: 00 00 00 00

descriptors

AmmDescriptor


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mediaDescriptor

streams

oneStream

localControlDescriptor

streamMode: sendRecv

propertyParms PropertyParm

- name: Bearer Control Tunnelling / Tunnelling Options

- value: 1

PropertyParm

- name: Bearer Characteristics / BNC Characteristics

- value: IP/RTP

PropertyParm

- name: 3GUP (User Plane) / UP Mode of operation

- value: Support mode for predefined SDU sizes

PropertyParm

- name: 3GUP (User Plane) / UP versions

- value: Version 2 PropertyParm

- name: 3GUP (User Plane) / Delivery of erroneous SDUs

- value: Yes

PropertyParm

- name: 3GUP (User Plane) / Interface

- value: Nb interface

PropertyParm

- name: 3GUP (User Plane) / Initialisation Direction

- value: Outgoing

localDescriptor

propGrps

PropertyGroup

PropertyParm

- name: Media Stream / Media Transport Type

- value: Ipv4

PropertyParm

- name: Media Stream / IPv4Address

- value: CHOOSE

PropertyParm

- name: Media Stream / Port

- value: CHOOSE

PropertyParm

- name: Media Stream / Porttype

- value: CHOOSE

PropertyParm - name: Media Stream / NSAP

- value: CHOOSE

PropertyParm

- name: Media Stream / Transmission Medium Requirement

- value: speech

PropertyParm

- name: Media Stream / ACodec

- value :

Codec:

- ITU-T

- G.711 64 kbit/s A-law


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AmmDescriptor

eventsDescriptor

- requestID: 0x00000001

eventList

RequestedEvent

- name: Bearer Control Tunnelling / Tunnel Indication

evParList

RequestedEvent

- name: Generic Bearer Connection / BNCChange

evParList

EventParameter

- eventParameterName: Type

- value: Bearer Modified

RequestedEvent


evParList

EventParameter

- eventParameterName: Type - value: Bearer Cut through

RequestedEvent


evParList

EventParameter

- eventParameterName: Type

- value: Bearer Modification Failure

RequestedEvent

- name: Generic / Cause

evParList

SiMoGat Conn:1 10 10:26:17.481

REPORT_DATA Connection Identifier

- element name: mss

- MGWID: 0x00000000


- Version: 0x01


- Length: 487 (0x01E7)

- Timestamp: 10:24:47.38 11.10.2004





- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010


MegacoMessage

mess

- version: 1

mId

ip4Address

- address: 10.64.7.129

- portNumber: 8010


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messageBody

transactions

Transaction

transactionReply

- transactionId: 500283476 (0x1DD1B854)

transactionResult

actionReplies

ActionReply


contextReply

topologyReq

TopologyRequest

terminationFrom

- id: 21 66 00 08

terminationTo

- id: 21 66 00 00


commandReply

CommandReply

addReply

terminationID

wildcard

- id: 21 66 00 08

terminationAudit

AuditReturnParameter

mediaDescriptor

streams

oneStream

localDescriptor

propGrps PropertyGroup

PropertyParm

- name: Media Stream / IPv4Address

- value :

- 10.66.1.12

PropertyParm

- name: Media Stream / Port

- value :

PropertyParm

- name: Media Stream / Porttype

- value: UDP

PropertyParm

- name: Media Stream / NSAP

- undecoded value: 04 14 45 00 00 00 08 61 39 00 9F 00 00 00 00 00 00 00 00 00 00 00

Transaction

transactionRequest

- transactionId: 423396390 (0x193C8426)

actions

ActionRequest


commandRequests

CommandRequest

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command

notifyReq

wildcard

- id: 21 66 00 08

observedEventsDescriptor

- requestID: 0x00000001

observedEventLst

ObservedEvent

- name: Bearer Control Tunnelling / Tunnel Indication

eventParList

EventParameter

- eventParameterName: Bearer Information Transport

- undecoded value: 04 81 9B 20 20 76 3D 30 0D 0A 6F 3D 2D 20 30 20 30 20 49 4E 20 49 50

34 20 31 30 2E 36 36 2E 31 2E 31 32 0D 0A 73 3D 49 50 20 54 75 6E 6E 65 6C 69 6E 67 0D 0A 63 3D 49 4E 20 49 50

34 20 31 30 2E 36 36 2E 31 2E 31 32 0D 0A 74 3D 30 20 30 0D 0A 61 3D 69 70 62 63 70 3A 31 20 52 65 71 75 65 73

74 0D 0A 6D 3D 61 75 64 69 6F 20 31 30 32 36 20 52 54 50 2F 41 56 50 20 39 36 0D 0A 61 3D 72 74 70 6D 61 70 3A

39 36 20 56 4E 44 2E 33 47 50 50 2E 49 55 46 50 2F 31 36 30 30 30 0D 0A

SiMoGat Conn:1 11 10:26:17.481

REPORT_DATA


- element name: mss

- MGWID: 0x00000000


- Version: 0x01


- Length: 112 (0x0070)

- Timestamp: 10:24:47.38 11.10.2004



- Trigger length: 0xFFFF - Error code: 0xFFFF

- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010


MegacoMessage

mess

- version: 1

mId

ip4Address

- address: 10.64.6.129

- portNumber: 2945

messageBody

transactions

Transaction

transactionReply

- transactionId: 423396390 (0x193C8426)

transactionResult

actionReplies

ActionReply


commandReply

CommandReply


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notifyReply

terminationID

wildcard

' id: 21 66 00 08

SiMoGat Conn:1 12 10:26:17.481

REPORT_DATA


- element name: mss

- MGWID: 0x00000000


- Version: 0x01


- Length: 128 (0x0080)

- Timestamp: 10:24:47.38 11.10.2004


- Trigger offset: 0xFFFF - Trigger length: 0xFFFF


- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010


MegacoMessage

mess

- version: 1

mId

ip4Address

- address: 10.64.6.129

- portNumber: 2945

messageBody

transactions

Transaction

transactionRequest

- transactionId: 500284587 (0x1DD1BCAB)

actions

ActionRequest


contextRequest

- priority: 0x0000

topologyReq

TopologyRequest terminationFrom

- id: 21 66 00 08

terminationTo

- id: 21 66 00 00

- topologyDirection: oneway

commandRequests

SiMoGat Conn:1 13 10:26:17.572

REPORT_DATA



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- element name: mss

- MGWID: 0x00000000


- Version: 0x01


- Length: 127 (0x007F) - Timestamp: 10:24:47.58 11.10.2004





- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010


MegacoMessage

mess

- version: 1

mId

ip4Address

- address: 10.64.7.129

- portNumber: 8010

messageBody

transactions

Transaction

transactionReply

- transactionId: 500284587 (0x1DD1BCAB)

transactionResult

actionReplies

ActionReply


contextReply

topologyReq

TopologyRequest

terminationFrom

- id: 21 66 00 08

terminationTo

- id: 21 66 00 00

- topologyDirection: oneway

commandReply

SiMoGat Conn:1 16 10:26:20.626

REPORT_DATA


- element name: mss

- MGWID: 0x00000000


- Version: 0x01


- Length: 324 (0x0144)

- Timestamp: 10:24:50.63 11.10.2004




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- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010

- Message length: 275 MegacoMessage

mess

- version: 1

mId

ip4Address

- address: 10.64.6.129

- portNumber: 2945

messageBody

transactions

Transaction

transactionRequest

- transactionId: 500286809 (0x1DD1C559)

actions

ActionRequest


contextRequest

- priority: 0x0000

commandRequests

CommandRequest

command

modReq

terminationID

wildcard

- id: 21 66 00 08

descriptors

AmmDescriptor

signalsDescriptor

SignalRequest

Signal

- name: Bearer Control Tunnelling / Bearer Information Transport

sigParList

SigParameter

- sigParameterName: 00 01 [Bearer Information Tunnel]

- value : 20 20 76 3D 30 0D 0A 6F 3D 2D 20 31 20 31 20 49 4E 20 49 50 34 20 31 30 2E 37

30 2E 31 30 2E 31 30 0D 0A 73 3D 2D 0D 0A 63 3D 49 4E 20 49 50 34 20 31 30 2E 37 30 2E 31 30 2E 31 30 0D 0A

74 3D 30 20 30 0D 0A 61 3D 69 70 62 63 70 3A 31 20 41 63 63 65 70 74 65 64 0D 0A 6D 3D 61 75 64 69 6F 20 35 33

31 34 20 52 54 50 2F 41 56 50 20 39 36 0D 0A 61 3D 70 74 69 6D 65 3A 35 0D 0A 61 3D 72 74 70 6D 61 70 3A 39 3620 56 4E 44 2E 33 47 50 50 2E 49 55 46 50 2F 31 36 30 30 30 0D 0A

SiMoGat Conn:1 17 10:26:20.626

REPORT_DATA


- element name: mss

- MGWID: 0x00000000


- Version: 0x01


- Length: 112 (0x0070)


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- Timestamp: 10:24:50.64 11.10.2004





- IP version: 0x00 - IP address: 10.64.7.129

- Port: 8010


MegacoMessage

mess

- version: 1

mId

ip4Address

- address: 10.64.7.129

- portNumber: 8010

messageBody

transactions

Transaction

transactionReply

- transactionId: 500286809 (0x1DD1C559)

transactionResult

actionReplies

ActionReply


commandReply

CommandReply

modReply

terminationID

wildcard

- id: 21 66 00 08

SiMoGat Conn:1 20 10:26:22.899

REPORT_DATA


- element name: mss

- MGWID: 0x00000000


- Version: 0x01


- Length: 128 (0x0080)

- Timestamp: 10:24:52.91 11.10.2004 - Reporting unit: 015C 0001




- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010


MegacoMessage

mess


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- version: 1

mId

ip4Address

- address: 10.64.6.129

- portNumber: 2945

messageBody transactions

Transaction

transactionRequest

- transactionId: 500289031 (0x1DD1CE07)

actions

ActionRequest


contextRequest

- priority: 0x0000

topologyReq

TopologyRequest

terminationFrom - id: 21 66 00 00

terminationTo

- id: 21 66 00 08

- topologyDirection: bothway

commandRequests

SiMoGat Conn:1 21 10:26:22.899

REPORT_DATA


- element name: mss

- MGWID: 0x00000000

SiMoGat message header - Version: 0x01


- Length: 127 (0x007F)

- Timestamp: 10:24:52.91 11.10.2004





- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010


MegacoMessage

mess

- version: 1

mId

ip4Address

- address: 10.64.7.129

- portNumber: 8010

messageBody

transactions

Transaction

transactionReply


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- transactionId: 500289031 (0x1DD1CE07)

transactionResult

actionReplies

ActionReply


contextReply

topologyReq

TopologyRequest

terminationFrom

- id: 21 66 00 00

terminationTo

- id: 21 66 00 08

- topologyDirection: bothway

commandReply

SiMoGat Conn:1 34 10:26:35.587

REPORT_DATA


- element name: mss

- MGWID: 0x00000000


- Version: 0x01


- Length: 128 (0x0080)

- Timestamp: 10:25:05.59 11.10.2004



- Trigger length: 0xFFFF - Error code: 0xFFFF

- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010


MegacoMessage

mess

- version: 1

mId

ip4Address

- address: 10.64.6.129

- portNumber: 2945

messageBody

transactions

Transaction

transactionRequest

- transactionId: 500296808 (0x1DD1EC68)

actions

ActionRequest


contextRequest

- priority: 0x0000

topologyReq


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TopologyRequest

terminationFrom

- id: 21 66 00 00

terminationTo

- id: 21 66 00 08


commandRequests

SiMoGat Conn:1 35 10:26:35.587

REPORT_DATA


- element name: mss

- MGWID: 0x00000000


- Version: 0x01


- Length: 127 (0x007F)





- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010


MegacoMessage mess

- version: 1

mId

ip4Address

- address: 10.64.7.129

- portNumber: 8010

messageBody

transactions

Transaction

transactionReply

- transactionId: 500296808 (0x1DD1EC68)

transactionResult

actionReplies

ActionReply


contextReply topologyReq

TopologyRequest

terminationFrom

- id: 21 66 00 00

terminationTo

- id: 21 66 00 08


commandReply

SiMoGat Conn:1 36 10:26:35.628


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REPORT_DATA


- element name: mss

- MGWID: 0x00000000


- Version: 0x01 - Protocol type: H.248 (0x02)

- Length: 133 (0x0085)

- Timestamp: 10:25:05.63 11.10.2004





- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010


MegacoMessage

mess

- version: 1

mId

ip4Address

- address: 10.64.6.129

- portNumber: 2945

messageBody

transactions

Transaction

transactionRequest

- transactionId: 500297919 (0x1DD1F0BF)

actions

ActionRequest

-contextId: 0x00B20196

contextRequest

- priority: 0x0000

commandRequests

CommandRequest

command

modReq

terminationID

wildcard

- id: 21 66 00 08

descriptors

AmmDescriptor signalsDescriptor

SignalRequest

Signal

- name: Generic Bearer Connection / Release BNC

sigParList

SiMoGat Conn:1 37 10:26:35.628

REPORT_DATA


- element name: mss


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- MGWID: 0x00000000


- Version: 0x01


- Length: 112 (0x0070)





- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010


MegacoMessage

mess

- version: 1

mId

ip4Address

- address: 10.64.7.129

- portNumber: 8010

messageBody

transactions

Transaction

transactionReply

- transactionId: 500297919 (0x1DD1F0BF)

transactionResult

actionReplies

ActionReply


commandReply

CommandReply

modReply

terminationID

wildcard

- id: 21 66 00 08

SiMoGat Conn:1 38 10:26:35.628

REPORT_DATA


- element name: mss

- MGWID: 0x00000000

SiMoGat message header - Version: 0x01


- Length: 119 (0x0077)

- Timestamp: 10:25:05.63 11.10.2004





- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010

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MegacoMessage

mess

- version: 1

mId

ip4Address - address: 10.64.6.129

- portNumber: 2945

messageBody

transactions

Transaction

transactionRequest

- transactionId: 500299030 (0x1DD1F516)

actions

ActionRequest


contextRequest

- priority: 0x0000 commandRequests

CommandRequest

command

subtractReq

wildcard

- id: 21 66 00 08

SiMoGat Conn:1 39 10:26:35.628

REPORT_DATA


- element name: mss

- MGWID: 0x00000000


- Version: 0x01


- Length: 112 (0x0070)

- Timestamp: 10:25:05.64 11.10.2004





- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010

- Message length: 63 MegacoMessage

mess

- version: 1

mId

ip4Address

- address: 10.64.7.129

- portNumber: 8010

messageBody

transactions

Transaction


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transactionReply

- transactionId: 500299030 (0x1DD1F516)

transactionResult

actionReplies

ActionReply


commandReply

CommandReply

subtractReply

terminationID

wildcard

- id: 21 66 00 08

SiMoGat Conn:1 40 10:26:35.868

REPORT_DATA

Connection Identifier - element name: mss

- MGWID: 0x00000000


- Version: 0x01


- Length: 122 (0x007A)

- Timestamp: 10:25:05.88 11.10.2004





- IP version: 0x00

- IP address: 10.64.7.129

- Port: 8010


MegacoMessage

mess

- version: 1

mId

ip4Address

- address: 10.64.6.129

- portNumber: 2945

messageBody

transactions

Transaction transactionRequest

- transactionId: 500300141 (0x1DD1F96D)

actions

ActionRequest


contextRequest

- priority: 0x0000

commandRequests

CommandRequest

command


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5e.erences

U)V (. Wab$" E. ;eveci X. YZ"en (. [st\n Iss$es in (o*tswitc% ;esignF o]a=i^i

&niversity $ne 2--).

U2V ;. Allen Megaco and M#,:Fwww.networ"+aga=ine.co+ May 2---.

U3V . Rosenberg T%e (ession Initiation :rotocol Internet',entric (ignalingF IEEE,o++$nications Maga=ine pp )39 ct. 2---.

U5V T. Taylor Megaco4258 A

11_megaco

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