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Version: 10.A

VOIP

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What is the VOIP?

How to configure the H.323 of VOIP?

How to configure the SIP of VOIP?

How to troubleshoot the VOIP?

This course will explain following questions.

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FXS/FXO PortContents

Dial-peer Configurations

H.323 Client Configurations

SIP Client Configurations

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Introduction to Gateway Voice Interface

Digital relay interface, supporting 30-port digital

channel; the interface physical form is G.703.

Single-port analog relay interface

A few are applied on old PBX.

Analog relay interface, used to connect PBX

internal interface or PSTN; does not provide

power for lines, also called VOS

Analog access interface, used to connect common

telephones or PBX external interface; provide power

for phones, also called VOP

FXS

FXO

E&M

RE1

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Application Diagram of Voice Interface

PSTN

FXO

FXS

RE1

PBX

Phone

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Configuring FXS/FXO (1)

MyPower VG series gateway supports FXS configuration, but theres some

difference in FXS configuration mode. The configuration command of MyPower

VG M6000 entering FXS card:

gateway(config)#cardcardNum

Entering to FXS card configuration mode:

Command Description

CardNum cardNumis the slot number, entering card configuration mode.

The configuration command of MyPower VG2000, VG800 and A600

entering FXS card:gateway(config)#fxs-card cardNum

Command Description

CardNum cardNum is slot number, entering card configuration mode.

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Configuring FXS/FXO (2)

NOTE:

You can know the channel number by using the command show voice port

Configuring FXS/FXO parameters

Command Description

channel [0-31] [0-31] enable|

disable

Configure channel status

The first [0-31] is the start channel number

The second [0-31] is the end channel number

enableenable channel, disabledisable channel

channel callid

enable|disable

Configure call id

The first is starting channel number

The second is the ending channel number

enableenable called number, disabledisable

called number

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FXS/FXO Port




Contents

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Configuration of Dial-Peer (1)

In VoIP configuration, dial-peer uses for differentiate different types of voice channel.

There are three types of dial-peer:1.Dial-Peer POTS

(dial-peer POTS)FXS interface of analog of the gateway and FXO interface

connecting PSTN.

(dial-peer pots slot ): FXS interface of analog of the gateway and FXO

interface connecting PSTN.

2.Dial-Peer VOIP

IP network end (dial-peer

VOIP): Correspond with remote IP

phone or gateway via IP network.

3.Dial-Peer VOE1Relay line end (dial-peer

VOE1): Correspond with PBX access to E1.

BeiJ Chen

D

IP

2M 2M

PST

N

PST

N

NOTE:

Use following command to enter Call route configure mode.

gateway(config)#callrouting-conf

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Configuration of Dial-Peer (2)VOIP dial-peer configuration command

For MyPower VG M6000, MyPower VG2000, the dial-peer range is from 1 to 1024:

gateway (config-callroute)#dial-peer voip

For MyPower VG800, MyPower VG600, the dial-peer range is from 1 to 255.

gateway(config-callroute)#dial-peer voip

Command Description

codecg711a/g711u/g723/g729/g729

a/g729wb

Configure H323 voice coding type as g711a, g711u, g723,g729, g729a and g729wb. When calling from ip, the

configuration is effective.

Default value is g729

destination-pattern Configure E.164 telephone number

fax-protocol t38 Configure fax protocol T38fax-protocol disable Configure disabled fax protocol.

session-target Configure IP address or RAS

preference Configure priority (1-20), and it reduces when number is

increasing. Default: Routing 10 and 20 can not be used

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VOE1 Dial-peer

VOE1 dial-peer supports two kinds of routing: physical E1 and E1 logicalgrouping.

Calling number means some special numbers aggregation. E1 logical

grouping can use many called number groupings. when not using calling number

binding of E1 logical group, any calling number can work via E1 logical multicast if

the number is matching but when using E1 logical group calling binding function,

only permits calls in group when it is matching.

Calling number group configuration command:

enter special calling number group:

gateway(config-callroute) calling-number-group

gateway(config-e1-caller-group)#

Command Description

calling-number Configure calling number to group

calling number string, permit number and

X or x.

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E1 logical group command:

enter special E1 logical group:

gateway(config-callroute)e1-trunk-group

gateway(config-e1-trunk-group)#

Command Description

Time-slot Version 6000 configure E1 time slot to E1

logical group E1 card number, inner E1

number, E1 time slot number,

stopped E1 time slot

Time-slot Version 2000 configure E1 time slot to E1

logical group

Bind calling-number-group Binding special calling number to E1 logical

group

calling number group

Restrict calling-number enable

|disable

Use | disable E1 logical group calling number

binding function

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VOE1 Dial Peer Configuration Commands:

gateway(config-callroute)#dial-peervoe1gateway(config-dial-peer)#?

Command Description

destination-pattern Routing number matching rule

E1 Configure E1 portSuitable for MyPower VG M6000

E1 Configure E1 port

Suitable for MyPower VG2000

E1 trunk-group Configure E1logical group number

E1 logical group number ofrouting E1

preference Configure priority

codec g711a/g723/g729/g729a/g729wb Configure H323 voice coding type

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Gateway Configuration Example (1)

PBX VG1 VG2

111 211

PSTN

RE1

1.1.1.1 1.1.1.231X 85148XXX

Situation:

VG1 connects VG2 by Ethernet interface.

VG1 connects PBX by RE1.

VG2 connects PSTN by FXO.

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Configuration of VG1 (1)

Command Description

gateway(config)#fxs-card1 entering FXS card 1

channel 0 0 enable enable channel 0

channel 0 0 callid enable enable called number

exit

gateway(config)#re11 entering RE1 card 1

gateway(config-e1-port)#bind pri Bind PRI on e1

gateway(config-e1-port)#isdnsideset user Configure PRI direction as USER side

gateway(config-e1-port)#pri-grouptimeslots16

Configure signal timeslot as 16 on e1.

exit

gateway(config)#callrouting-conf entering Call route configure mode

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Command Descriptiongateway(config-callroute)# dial-peer 1 voip Configure dial-peer VOIP 1

gateway(config-callroute)#destination-pattern 211 Configure E.164 telephone number

gateway(config-callroute)# session-target 1.1.1.2 Configure peer IP address

gateway(config-callroute)# dial-peer 2 voip Configure dial-peer VOIP 2

gateway(config-callroute)#destination-pattern

85148XXXConfigure E.164 telephone number

gateway(config-callroute)# session-target 1.1.1.2 Configure peer IP address

gateway(config-callroute)# dial-peer 3 pots Configure dial-peer POTS 3

gateway(config-callroute)#port 1/0 Configure POTS voice port

gateway(config-callroute)# destination-pattern 111 Configure E.164 telephone number

gateway(config-callroute)# dial-peer 4 voe1 Configure dial-peer VOE1 4

gateway(config-callroute)#destination-pattern 31X Configure E.164 telephone number

gateway(config-callroute)# e1 1 Configure VOE1 re1 port


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Command Description

gateway(config-callroute)#dial-peer 1 voip Configure dial-peer VOIP 1

gateway(config-callroute)#destination-pattern 111 Configure E.164 telephone number

gateway(config-callroute)#session-target 1.1.1.1 Configure peer IP address

gateway(config-callroute)#dial-peer 2 voip Configure dial-peer VOIP 2

gateway(config-callroute)#destination-pattern 31X Configure E.164 telephone number

gateway(config-callroute)#session-target 1.1.1.1 Configure peer IP address

gateway(config-callroute)#dial-peer 3 pots Configure dial-peer POTS 3

gateway(config-callroute)#port 1/0 Configure POTS voice portgateway(config-callroute)#destination-pattern 211 Configure E.164 telephone number

gateway(config-callroute)#dial-peer 4 pots Configure dial-peer POTS 4


gateway(config-callroute)#destination-pattern 85148XXX Configure E.164 telephone number


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FXS/FXO Port




Contents

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Configuration of H.323 Client (1)Configure interface to gatekeeper:

Configure network interface as VOIP gateway RAS protocol interface, and only

configure one network interface as VoIP interface.gateway(config)#interface fastethernet 1

Command Description

h323-gateway voip interface Designate the interface as VoIP gateway RAS

protocol interface.

h323-gateway voip h323-id

Configure gateway interface identification.

h323-gateway voip id

Register gatekeeper via IP address. the first

string is gatekeeper identification, the second

string is gatekeeper IP address, and the third

string is gatekeeper port. the default is 1718

without gkid segment.

h323-gateway voip supported-prefix

Configure gateway prefix for dealing with the

coming routing. It can configure at most 2

prefixes.

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Configuration of H.323 Client (2)

Configure voip dial-peer gatekeeper

gateway(config-callroute)#dial-peer 1voip

Enable gateway client-end

gateway(config)#

Command Description

destination-pattern Configure destination-pattern phone number

session-target ras Use RAS protocol to get destination gateway IP address

Command Description

Gateway Enable voip gateway registers to gatekeeperno gateway Cancel voip gateway registering to gatekeeper

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H.323 Configuration Example (1)

Situation:

VG1 connects PBX by RE1 interface;

VG2 connects PSTN by FXO interface;

PBX VG1 VG2

111 211

PSTN

RE1

1.1.1.1 1.1.1.231X 85148XXX

1.1.1.254

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Command Description




exit

gateway(config)#re11 entering RE1 card 1

gateway(config-e1-port)#bind pri Bind PRI on e1

gateway(config-e1-port)#isdnsideset user Configure PRI direction as USER side

gateway(config-e1-port)#pri-grouptimeslots16

Configure signal timeslot as 16 on e1.

exit



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Command Description




exit

gateway(config)#fxo-card2 entering FXO card 2


exit



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Command Description

gateway(config)#interface fastethernet 1 entering fastethernet interface 1

h323-gateway voip interfaceDesignate the interface as VoIP

gateway RAS protocol interface.

h323-gateway voip h323-id VG2Configure gateway interface

identification.

h323-gateway voip id MP ipaddr 1.1.1.254 Register gatekeeper via IP address.

h323-gateway voip supported-prefix

85148

Configure gateway prefix as 85148

Ip address 1.1.1.2 255.255.255.0 Configure IP address of the interface

exit

gateway(config)#gatewayEnable voip gateway registers to

gatekeeper


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Command Description

gateway(config-callroute)# dial-peer 1 voip Configure dial-peer VOIP 1

gateway(config-callroute)#destination-pattern XX. Configure E.164 telephone number

gateway(config-callroute)# session-target ras Use RAS protocol to get destinationgateway IP address



gateway(config-callroute)# destination-pattern 211 Configure E.164 telephone number



gateway(config-callroute)# destination-pattern

85148XXXConfigure E.164 telephone number


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FXS/FXO PortContents

SIP Cli C d

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SIP Client Commands

Command Description

sip-gateway voip localPort

SIP interface of the gateway. The default value is 5060.

sip-gateway voip interface Specify an interface as the SIP protocol interface of the gateway.

sip-gateway voip proxy A.B.C.D Specify the IP address of the SIP proxy server used by the gateway and A.B.C.D

is IP address of agent server.

sip-gateway voip proxy domain-name

Specify the domain name of the SIP proxy server used by the gateway, and

string is the domain name.

sip-gateway voip proxyPort Specify the port of remote proxy server. The default value is 5060.

sip-gateway voip registrarA.B.C.D Specify the IP address of the SIP register server used by the gateway. A.B.C.D is

the IP address of the SIP register server.

sip-gateway voip registrar domain-

name

Specify the domain name of the SIP register server used by the gateway. String

is the domain name of the SIP register server.

sip-gateway voip registrarPort

Specify the port of the register server. The default value is 5060.

sip-gateway voip registrar expires

SIP terminal registering over time, 3600 seconds by default.

sip-gateway voip username If register server needs id authentication, configure a user name of the number.

sip-gateway voip password If register server needs id authentication, configure password of the number.

sip-gateway voip retry-invite Specify the retransmission times of INVITE when the peer end that initiates the

call is unavailable and does not receive the response. The default value is 5.

sip-gateway voip local-areaA.B.C.D

A.B.C.D

The local domain of the SIP.

The former IP is the segment number and the later IP is the mask.

When using STUN traversing NAT, the configuration needs to realize the intranetcommunication.

Configure interface

gateway (config)#int f1

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SIP Client Example (1)

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interface fastethernet0

ip address 10.0.13.249 255.255.255.0

exit

dial-peer 1 pots

destination-pattern 200

port 0/0

username 200 password 200

exit

dial-peer 100 voip

destination-pattern xxx

session-target sip-serverexit

dial-peer 2 pots

destination-pattern xx.

port 2/0

exit

dial-peer 3 pots

destination-pattern 9x.

num-trans-index 2 calledport 2/0

exit

fxs-card 0

channel 0 3 callid enable

channel 0 3 enableexit

fxo-card 2

channel 0 3 callid enable

channel 0 3 enable

exit


sip-gateway voip interface

sip-gateway voip proxy 10.0.13.201

sip-gateway voip registrar 10.0.13.201

sip-gateway

key configuration on VG1

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ip address 10.0.13.248 255.255.255.0

exit

dial-peer 1 potsdestination-pattern 300

port 1/0

username 300 password 300

exit

dial-peer 100 voip

destination-pattern xx.

session-target sip-server

exit

fxs-card 1channel 0 3 callid enable

channel 0 3 enable

exit


sip-gateway voip interfacesip-gateway voip proxy 10.0.13.201

sip-gateway voip registrar 10.0.13.201

exit

sip-gateway

key configuration on VG2

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FXS/FXO Port

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Exercise

111 can call 211 by H.323 protocol.

111 can call 211 by SIP protocol.

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