Good day team
I have a question, I have the next topology CME ---> PSTN (SIP)
the problem is when I realized a call to PSTN, only have one way audio, and the command "show sip calls" show the next information:
Call 3
SIP Call ID : D2BDE21C-896211E8-80D0D483-61BE0435@192.168.150.2
State of the call : STATE_RECD_PROCEEDING (4)
Substate of the call : SUBSTATE_PROCEEDING_PROCEEDING (2)
Calling Number : 2091
Called Number : 7850710
Bit Flags : 0x400018 0x200100 0x200
CC Call ID : 156
Source IP Address (Sig ): 192.168.150.2
Destn SIP Req Addr:Port : [10.8.88.81]:5060
Destn SIP Resp Addr:Port: [10.8.88.81]:5060
Destination Name : 10.8.88.81
Number of Media Streams : 1
Number of Active Streams: 1
RTP Fork Object : 0x0
Media Mode : flow-through
Media Stream 1
State of the stream : STREAM_ACTIVE
Stream Call ID : 156
Stream Type : voice+dtmf (1)
Stream Media Addr Type : 1
Negotiated Codec : No Codec (0 bytes)
Codec Payload Type : 255 (None)
Negotiated Dtmf-relay : inband-voice
Dtmf-relay Payload Type : 0
QoS ID : -1
Local QoS Strength : BestEffort
Negotiated QoS Strength : BestEffort
Negotiated QoS Direction : None
Local QoS Status : None
Media Source IP Addr:Port: [192.168.150.2]:18154
This is the most important configuration:
--------------------
voice class codec 2
codec preference 1 g711alaw
codec preference 2 g711ulaw
codec preference 3 g729r8
-------------------
dspfarm profile 2 transcode
codec g711ulaw
codec g711alaw
codec g729ar8
codec g729abr8
maximum sessions 20
associate application SCCP
----------------------------
dial-peer voice 1040 voip
description LOCAL
translation-profile outgoing 4
preference 1
destination-pattern 7850710
session protocol sipv2
session target ipv4:10.8.88.81
voice-class codec 2
voice-class sip bind media source-interface Vlan3
dtmf-relay rtp-nte
Thank You for your time .... Attach the full sh run
