SYSTEM MAINTENANCE AND SOFTWARE UPDATE
CHAPTER 7
119
ECOTEL 3G 16.1. Revised: 1 March 2011.
7.4.5.2 RTP/RTCP OUTPUT
The RTP/RTCP output displays whether the signaling information corresponds with the contents of the compression
chips. The output occurs when a media channel is set up or torn down:
VP Module
rtp start cr <cr> ch <ch> li <li> ri <ri> st <st> fx <fx> cp <comp> txm <factor>
Table 7.23 RTP/RTCP Output
Trace Output Description
<cr>
Call reference.
<ch>
The internal media channel used.
<li>
1
appears when the local RTP address (and port) has been defined.
<ri>
1
appears when the remote RTP address (and port) have been established.
<st>
0
appears if the channel's voice packetizer has not yet been started. 1 appears if the
voice packetizer can receive, but not send.
2 appears when the voice packetizer can re-
ceive and send.
<fx>
1
appears when T.38 (fax) is used, otherwise 0.
<comp>
The codec used, as per Table 7.20.
<factor>
Multiplication factor for default frame size (20ms, 30 ms for G.723).
rtp stop cr <cr>1 ch <ch>
Table 7.24 RTP Stop Message
Trace Output Description
<cr>
Call reference.
<ch>
The internal media channel used.
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