The test effort verified a basic level of interoperability between the Adtran Total Access 900/900e Series IP Business Gateways product release A.01.02.00 and Nortel’s Communication Server 2000 (CS 2000) Release SN10 using the MGCP protocol. This successful testing establishes the Adtran Total Access 900/900e Series IP Business Gateways product release A.01.02.00 as a Nortel Compatible product for the release(s) tested. This testing was a re-certification of the Adtran product, release version A.01.02.00. Testing included basic communication and basic call functionality between the devices. It is the service provider’s responsibility to perform appropriate system and network integration of the Adtran Total Access 900/900e Series IP Business Gateways product release A.01.02.00 with the CS 2000 based on their network deployment requirements.

Compatible testing is a suite of test cases chosen to test basic interoperability between a Nortel communications platform and a Third Party device with a focus on the protocol messaging used between the two. The test cases are chosen to validate the proper use of the protocol in accordance with Nortel’s Interoperability Specifications.

Test areas covered for Re-Certification testing::
Basic Communication:
- 3PGW Provisioning and Registration
- 3PGW Response to CS2K wildcard Audit
- 3PGW Response to CS2K Endpoint/Physical Termination/Context & Ephemeral Audit (no active calls)
- 3PGW Response to CS2K Endpoint/Physical Termination/Context & Ephemeral Audit (active calls)
- 3PGW Recovery after Outage (no active calls)
- 3PGW Recovery after Outage (active calls)
- Network Outage Recovery before outage detected (active calls)
- 3PGW Retransmissions of Registration message

Basic Call Line to Line
- 3PGW and Various Endpoints, Originator disconnect after answer
- 3PGW and Various Endpoints, Terminator disconnect after answer
- 3PGW to Various Endpoints, Originator disconnect before answer
- 3PGW to Various Endpoints, ringing timeout
- 3PGW to Various Endpoints, busy timeout
- Long Call Duration (12 hours)
- 3PGW Receiver Off-Hook (ROH) Tone Test

Basic Trunk Call
- 3PGW and CS2K TGW, Originator disconnect after answer
- 3PGW and CS2K TGW, Terminator disconnect after answer
- 3PGW and CS2K TGW, Originator disconnect before answer
- 3PGW and CS2K TGW, ringing timeout
- 3PGW and CS2K TGW, Busy/Busy timeout

Announcement tests
- 3PGW to CS2K Announcement

Basic Codec Negotiation and Acceptance for IP Solution
- 3PGW to Various Endpoints, All Codecs on at 3PGW
- DP Acceptance, Negotiation, and RTP Packet Analysis
- 3PGW, Comfort Noise
- 3PGW, In Band DTMF
- 3PGW, RFC 2833 DTMF
- 3PGW to Various Endpoints (FAX)
- 3PGW to Various Endpoints (Modem)
- SSL to 3PGW (Video, Mid-Call Codec change)

Feature Testing
- 3PGW and Various Endpoints, Hold/Restore
- Basic CXR
- 3PGW, 3WC Conference
- Any phone and 3PGW, CWT and SCWID
- Any Phone and 3PGW, Calling Name/Number Display
- 3PGW to any phone, Calling Name/Number Blocked (at Originator)
- Call Return

Complex Codec Negotiation and Acceptance for IP Solution
- Gateway Line to MG15000. MG15000: L: Parm contains Default PCMA, Alternative PCMU. Line GW: L:
Parm contains Default PCMU
- Gateway Line to MG15000. MG15000: L: Parm contains Default PCMU, Alternative PCMA. Line GW: L:
Parm contains Default PCMA
- DTMF Digit Transfer G729, G711, RFC2833 on at 3PGW; G711, G729, RFC2833 off at MG15000
- H323 to 3PGW, CS2K Relay DTMF Digits

Special Functionality
- 3PGW interoperability with the UAS via Lawful Intercept (as associate)
- 3PGW interoperability with the UAS via Lawful Intercept (as LEA agent)

Additional Test Cases Requested by Vendor:
- None

Not Executed Test Case Notes:
- Redundancy, carrier grade, and traffic or robustness scenarios were not tested as these fall outside the bounds of basic Interoperability testing.
- Voice quality will only be checked through audible means between parties.
- Test cases that were deemed N/A (not applicable) were so because of the following; Adtran device not supporting upspeed to G711, T38 manipulation, unable to disable call transfer, 6wc not supported and the use of SIP analog phones.


Limitations, Restrictions and Other Observations:
3PGW response to CRCX (with LCO only) violates Section 7.4.4.4 of the SN10 Interoperability Specifications which states as follows: ”The outgoing SDP MUST list the supported codecs and other encodings in the same order as they are presented in the LCO/underspecified local descriptor.”

The Adtran TA916e MGCP Gateway passed SN10 re-certification with exception. In a future release (target June08), the gateway must list the supported codes in the same order as they are presented in the CRCS with LCO only.

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