isdn pri policy

8/6/2019 Isdn Pri Policy

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Pakistan Telecommunications

Company Limited

ISDN PRI/E1

POLICY(Revised December-2004)



ISDN PRI/E1 POLICY

(Revised December-2004)

1. BACKGROUND:

PTCL intends to tailor its network to facilitate access to IT end users, ISPs, Banks, Large CorporateCustomers, Educational Institutions etc. who are largely dependent upon PTCL infrastructure for

necessary connectivity. PTCL also wants to focus on needs of such large customers and offer

customized solutions by associating private sector entrepreneurs. PTCL has signed Non Exclusive, Non Binding MoUs with technology partners M/s. Siemens, Alcatel , Multi Tech and Huawei and is in

the process of signing MoUs with more vendors to provide and install needed hardware and Softwarefor the broadband access to corporate customers.

2. CONCEPT:

The access connectivity with PTCL exchanges is available at ISDN PRI/E1 level. Connectivity with

shared bandwidth systems, International Private leased Lines (IPLs), and other non-exchange systemetc is being provided from 64 Kb/s to 2 Mb/s data rates and even higher rates. ISP’s systems are

connected to PTCL Exchanges at 2Mb/s ISDN PRIs level in one-way mode for providing access to

dial-up Internet users. Some customers need both way PRIs connectivity and the field units require a policy decision for providing both way ISDN PRIs connectivity to PABXs of Banks/Hotels/Embassiesetc. Policy for provision of PRIs and tariff are outlined in the following paras:

3. CONNECTIVITY REQUIREMENT OF THE CUSTOMERS:

ISDN PRIs for one way or both ways connectivity can be provided as per requirements of the

customer, in the light of details stated in the following table.

S.

N.

Service Type Nature of PRI Customer Type

1 UIN (131-xxxxx) One way PRI Internet Service Providers

2Premium Rate (0900-

xxxxx)

One-Way PRI Premium Rate Service

Providers, AudioTex Licensees

3 ISDN PABX (Note 1) Both ways PRI.Banks, Financial Institutions,Hotels, Corporate Customers

other than ISPs, Telemarketers

4UAN (111-xxx-xxx) (Note

1)Both-Way PRI. -do-

5Advanced Toll Free

(0800-xxxxx) (Note 1)

Both-Way PRI-do-

6Store & Forward Fax

(Note 2)One-Way PRI

Store & Forward Fax Service

Providers



Note 1:

i Banks, Financial Institutions, Hotels, Corporate Customers, Telemarketers (excluding

companies involved in commercial provisioning of telecommunication, internet and/or data services) may utilize circuits with in a PRI or one or more of the PRIs from a group

for any of these services according to their requirements including own in-house, self

operated call center for promotion and support of their own business.

ii Local or long distance call transfer/call forwarding facility from UAN number to Toll

Free (AFS) for call center applications is allowed as per applicable tariffs (Reference

diagram attached at Annex-B).

iii Mapping of UAN number(s) to PRI(s)/PSTN Lines working against PRS number(s) isnot allowed. Customer access to PRS will only be through service providers 0900-

xxxxx number.

iv GM (VAS) will be responsible to clear all requests for call transfer facility from UANto Advance Toll Free (AFS) numbers.

v In case call center operations are outsourced to operators having ISP and/or data

licenses, call transfer and both-way PRI facility for any of the above services shall not be permitted and shall be made one way.

vi Use of PRI (s) for purpose other than that listed above is prohibited. Concerned regionsto monitor use of PRI (s) for any illegal and unauthorized purposes.

Note 2:

In case of Store & Forward Fax services, for acknowledgement to the subscriber about delivery

status of his fax, analogue telephone lines will be provided if required and monitored for anymisuse. The service provider can also send acknowledgement to the subscriber of the delivery

status of fax to him through e-mail.

Note 3: Co-located call centers (local + international) is allowed, however integrated call centers are notallowed . In case of domestic call centers, no connectivity is allowed to/from any type of

international network. Connectivity with other domestic networks shall be through PTCL network.

In case of international call centers, no termination or connectivity is allowed to/from domesticPSTN, Cellular, Data or any other type of network.

Note 4:PTCL policy in vogue regarding the number of analogue telephone lines at the same premises will

remain unchanged.

4. PROCEDURE TO PROVIDE PRIs:



4.1 SWITCHING PART ISDN PRI:

4.1.1 PRI Connectivity From PRI Switch

(Applicable when PRI Switch installed and MoU with vendor signed)

i. At stations where PRI Switch is being installed, all new PRIs may preferably be installedfrom PRI Switch by the arrangement given below.

ii. Customers may be encouraged to locate their premises within the vicinity of PRI switch as

far as possible.

iii. DE (Digital)/in-charge (PRI Switch) will check and report the availability of PRI coreequipment in the Exchange. In case of availability, he will report to DE (VAS) who will

inform the customer and MoU partner accordingly.

iv. The MoU partner will quote to customer for the cost of required hardware as per details provided in the MoU with a copy to DE (VAS)

v. The customer will make payment directly to the MoU partner. Both the customer and MoU

partner shall pass on acknowledgement of payment to DE (VAS).vi. DE (VAS) will issue demand note for the installation charges of PRIs with up to 100% of

installation charges adjusted against the cost of hardware, purchased by the customer fromthe vendor (as per Annexure-A). The hardware so installed will become PTCL asset. Theremaining amount will be adjusted in the monthly bill of the customer, in installments equal

to total monthly bill for PRI (S) payable by the subscriber.

vii. Upon receipt of payment from the customer, DE (VAS) will direct the MoU partner to start

installation and commissioning of ordered hardware in the exchange. Eventually the MoU partner will be responsible for supply/installation of the equipment at the site. Particulars of

the equipment and termination shall be provided to DE Phones (Digital) and DE (VAS) of

the region concerned by the MoU partner.viii. Existing PRI’s may be shifted to PRI switch through PTCL internal arrangements in case

the traffic parameters require so to off load the local exchange. PRI’s spared in the localexchange can be utilized for further expansion of the switch.

4.1.2 PRI Connectivity From Local Exchange

At stations, where no PRI switch is being installed, PRIs will be provided from the local exchange

as per procedure laid down in Para 4.1.1 above.

4.1.3 Warranty obligations of MoU partner:

For the exchange side equipment installed by MoU partner, same warranty obligations will apply

as for the PTCL purchased switching equipment and will include hardware, software and O&M

during warranty period.



premises of PRI switch to the customer premises. The customer will place order on

MoU Partner for HDSL equipment as per details provided in the MoU. After receipt of payment MoU Partner will execute the job and get the service commissioned.

ii. Optical Fiber: DE (OFC)/Transmission shall check the feasibility of laying

optical fiber cable from exchange to customer premises. DE (VAS), after determiningfeasibility will inform the customer of cost and schedule. The customer will place order

on DE (VAS) for laying of cable and on MoU Partner for the Optical equipment. After

receipt of payment, DE (VAS) will coordinate with DE (OFC)/Transmission for layingthe cable and with MoU Partner for installation, testing and commissioning of the fiber

based solution.

iii. Digital Radio: DE (Microwave/DRS) shall carry out the feasibility survey of

installation of digital radio system. The customer will seek frequency clearance andapproval from the FAB, in case the required frequency is not falling in the domain of

PTCL allocation. After positive feasibility report by the PTCL, MoU Partner will

conduct engineering and site survey for both ends. The customer will place order onPTCL and the MoU Partner based on the cost quotations. The MoU Partner, after

payment will execute the job on turnkey basis comprising of, towers erection, provision

and installation of radio system, MUX and power equipment including all accessorieslike cable, connectors, provision of grounding arrangement etc. MoU Partner will also

test and commission the system. The DE (VAS) will perform rest of the actions.

4.2.2 Connectivity From PRI Switch to Customer located in Different Exchange Area

DE (VAS) will coordinate with Director Transmission of the Region concerned to arrange E-1

connectivity on Transmission media from PRI switch to the exchange where customer is located,

through PTCL own arrangement. Further connectivity from local exchange to customer premiseswill be arranged as per procedure laid down in Para 4.2.1 above.

4.2.3 Connectivity at stations where no PRI switch is availableAt Stations, where no PRI switch is being installed, connectivity is to be provided from respective

digital local exchange. Procedure for the access from Local Exchange to customer premises will bethe same as given in Para 4.1.1.

4.2.4 Connectivity From Distant Local Exchange where no PRI switch is available and no

PRI in Local Exchange

If there is a request for PRI connectivity in an exchange where it cannot be provided and the

connectivity has to be extended from Distant Exchange, it will be arranged on Transmission Media.If equipment needs to be added to extend the PRI connectivity from distant exchange, Capital cost

(Non-refundable) of Transmission Equipment will be recovered from the customer in addition to

the cost of access from Local Exchange to customer premises. Rest of the procedure shall remain

the same as in Para 4.2.1 above.



• Standard DSL, with speeds ranging from 64 Kb/s to 2 Mb/s.

• It should support following subscriber and network interfaces.

o Voice and Data Add/Drop facility.

o 2 Mb/s Transparent E1 (G.703).

o 2 Mb/s Frame structured E1 (G.703/G. 704)

o 2 Mb/s ISDN PRA (ETS 300233, 1.431)

o Data (n x 64 Kb/s, 10 base T Ethernet)

• Optical Fiber Solution should support following line interfaces:o STM-1 (155 Mb/s) Optical.

o

STM-1 (155 Mb/s) Electrical.

• It should support following tributary interfaces also:o 21 x 2 Mb/s

o 63 x 2 Mb/s

o 21 x 2 Mb/s and 1 x 34 Mb/s. Or 1x45 Mb/s

• These specifications are subject to revision with the evolution of new technologies.

7. BUSINESS DEVELOPMENT:

Upon request by the corporate customers, analog lines already provided for the purpose of connectivity may be converted into ISDN PRIs free of cost for promotion of PRI business (Tariff

circular are issued separately form time to time). Special teams comprising one DE, Two ADEs

and technical staff be created in each major region (LHR, KHI, ISD etc) to take care of PRI business on priority basis.

8. SERVICE CHARGES:

Service charges will be for one time installation, testing and commissioning of relevant equipment

as applicable on case-to-case basis. The MoU partner and the PTCL shall charge any modification,

addition, shifting of equipment separately. The rates for shifting of service will be same as for

initial installation.

9. TARIFF:

• Installation charges for PRI = Installation charges for 10 PSTN Lines (One time)

• Line Rent = Line Rent for 10 PSTN Lines Per PRI.

• PRI’s will have automatic hunting facility. Actual usage of each voice channel along with

charges for hunting facility be charged in addition.

• Hunting charges per PRI per month shall be equal to hunting charges for 20 PSTN lines as per



11. TERMS AND CONDITIONS:

i. PRI/E1 connectivity will only be provided to licensed operators and corporate &

business customers.

ii. The customer of two way ISDN PRI will not be allowed to originate or terminate VoIPtraffic in to the PSTN via any means. The customer will not be allowed to make any

arrangement via separate satellite earth station or any other such arrangement thereby

bypassing PTCL International And National Network. Severe penalties under the lawsof Pakistan and as determined by PTCL management will be imposed on those

responsible for violating these terms and conditions. PTCL will have right to inspect

customer installations at any time in order to prevent unlawful activities.

iii. All licenses and permissions needed for the business and the equipment to be acquired,used and operated under this policy shall be the sole responsibility of the customer.

iv. The service provided by the PTCL shall be exclusive for the customer and the customer

shall not sublet the service/ PRIs transmission system to any other partner / business /subsidiary.

v. The service being provided shall be disconnected and agreement terminated forth with

in addition to the penalties as determined by PTCL management, in case violation of theterms and conditions is found.

vi. Post warranty period maintenance and technical support for equipment in access partshall be the responsibility of the customer who may enter in to agreement with MoU partner and PTCL.

vii. PTCL will not be responsible for any dispute arising between MoU partner and the

customer.

12. E-1 CONNECTIVITY:

i. E-1 Connectivity (bearer trunk) may not be extended to customers where PRIs areavailable.

ii. The existing customers having E-1 connectivity (bearer trunk) may be offered equalnumber of ISDN PRIs through PTCL own arrangement wherever technically possible

otherwise following precautionary measures may be taken.

iii. Operational units to make all possible arrangements to ensure that the PRI/E1connectivity provided would not be used for traffic by-pass or any purpose other than

that legally and contractually permitted.

iv. The bearer trunk group must be configured as outgoing only, if possible.v. The bearer trunk group must have a separate origination mark.

vi. All code points in the connecting PTCL exchange must be recreated with origination

mark(s) allotted to its existing subscribers base.

vii. In case the connecting switch is an end exchange and has STP functionality, the samemay be cancelled by MML command



Annexure- A

Calculation of Demand Note for PRI Connectivity

Installation Charges per PRI including CED = A Two months advance monthly rental per PRI including CED = B

Hunting Charges including CED = C

Demand Note payable by the customer = A+B+C (to be adjusted up to 100% against the cost of

hardware purchased by the customer)

Balance cost of hardware = Total H/W cost – (A+B+C) will be adjusted in subsequent monthly bills of the customer, in installments equal to total monthly bill for PRI (S) payable by the

subscriber.

Note:

Cost of hardware to be installed in PRI or Local Exchange will be initially paid by thecustomer to MoU Partner. This amount will be adjusted in the demand note up to 100% of

Installation charges and remaining amount will be adjusted in the monthly bills.

Cost of HDSL in case of copper solution, Fiber Optic Equipment and Cable in case of Fiber

solution and Cost of DRS including associated equipment in case of Radio solution from

Exchange to Customer premises is to be paid by the customer to the MoU Partner.

If PRI Connectivity is being provided from distant local exchange due to non-availability of

the same in the nearby exchange and no PRI switch is available at the station, non-

refundable capital cost for the transmission equipment will be paid by the customer.

If PRI Connectivity is being provided from distant PRI switch located at the same station,no cost for transmission equipment between distant PRI exchange and customer’s area

exchange is to be charged from the customer.

E l



of 9

℡LX/TX In LahoreUAN To DNs

Translation

DN To AFS Call

Forwarding

Immediate

IN PlatformAFS To PRI

Numbers

Translation &

Routing

TX/LX

In Karachi

Call Center

Karachi

Customer in LHR

PRI

A-Party Charge Charge To AFS Number

111-XYZ-ABC

℡ LX/

TX

Customer in other Local

Area Network

042-111-XYZ-ABC

0800-XXXXX

IN Network

Example

Call Transfer From UAN To AFS Annex-B

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