Nortel Networks Mediant TP-1610 SIP - Manual (Page 162)

Mediant 2000 SIP
Mediant 2000 SIP User’s Manual 162 Document #: LTRT-72504
8.13.2 SIP2CAS (Call Pilot) Gateway
To enable SIP2CAS gateway specific features, take these 2 steps:
1. Add the following parameters to the ini file:
ApplicationProfile=1
IsProxyUsed = 1
SendInviteToProxy = 1
ProxyIP =
EnableHold = 1
EnableTransfer = 1
EnableForward = 1
EnableNortelHeader = 1
ProtocolType = 2
IsDTMFUsed = 1
OutOfBandDTMFFormat = 1
DTMFTransportType = 0
TimeForReorderTone = 10
PlayRBToneonXfer = 1
2. Load the specific Ground Start CAS .dat file (supplied with the software package).
8.13.2.1 Supported Features
• Proprietary header in SIP 180 Ringing response, containing information about the trunk’s
physical port and timeslot which were seized to place the call. For example:
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP 10.8.1.15
From: sip:[email protected];tag=1c14356
To: sip:[email protected];tag=1c29285
Call-ID: [email protected]
CSeq: 1 INVITE Supported: 100rel,em
Channel: interface=0;timeslot=1
Content-Length: 0
• When hook-flash is detected, the CAS gateway plays a dial tone and collects DTMF digits.
The call is then transferred using a SIP REFER message:
REFER sip:[email protected];user=phone SIP/2.0
Via: SIP/2.0/UDP 10.8.8.52;branch=z9hG4bKacdLIaZOe
From: sip:[email protected];tag=1c16026
To: [email protected]>;tag=1c10947
Call-ID: [email protected]
CSeq: 36026 REFER
Contact: 1001 [email protected]>
Supported: 100rel,em
Max-Forwards: 70
Refer-To: sip:[email protected]
Referred-By: sip:[email protected]
Content-Length: 0