Nortel Networks TP-1610 SIP Network Router User Manual


 
Mediant 2000 SIP
Mediant 2000 SIP User’s Manual 202 Document #: LTRT-72504
Payload Type Description Basic Packet Rate [msec]
53 NetCoder 8.0 kbps 20
54 NetCoder 8.8 kbps 20
55 NetCoder 9.6 kbps 20
56 Transparent PCM 20
96 DTMF relay per RFC 2833
102 Fax Bypass 20
103 Modem Bypass 20
104 RFC 2198 (Redundancy) Same as channel’s voice coder.
105 NSE Bypass
C.3 Default RTP/RTCP/T.38 Port Allocation
The following table describes Mediant 2000 gateway default RTP/RTCP/T.38 Port Allocation.
Table C-3: Default RTP/RTCP/T.38 Port Allocation
Channel Number RTP Port RTCP Port T.38 Port
1 6000 6001 6002
2 6010 6011 6012
3 6020 6021 6022
4 6030 6031 6032
5 6040 6041 6042
6 6050 6051 6052
7 6060 6061 6062
8 6070 6071 6072
: : : :
n 6000 + 10(n-1) 6001 + 10(n-1) 6002 + 10(n-1)
: : : :
96 6950 6951 6952
: : : :
120 7190 7191 7192
: : : :
192 7910 7911 7912
: : : :
240 8390 8391 8392
: : : :
384 9830 9831 9832
: : : :
480 10790 10791 10792
Note: To configure the gateway to use the same port for both RTP and T.38
packets, set the parameter ‘T38UseRTPPort’ to 1.