[cisco-voip] sip trunk problem

[Chris Ward]

Looks like a media negotiation failure. The only thing that I can see is
that your voice-class doesn¹t have any G711 in it. Are we sure your provider
isn¹t looking for G711?

It may be helpful to get a ³debug ccsip message².

Chris Ward 



From: Baris Gulten <barisgulten at gmail.com>
Date: Mon, 2 Feb 2009 20:39:01 +0200
To: <cisco-voip at puck.nether.net>
Subject: [cisco-voip] sip trunk problem

Hi everybody,
I have ccm 6.1.1, also 2851 router.
I define sip trunk on 2851 router. I have trouble when i decide make a call.
Lets hold my hand J
 
 
Here is the debug result
vgw#sh debug
CCSIP SPI: SIP Call Events tracing is enabled   (filter is OFF)
CCSIP SPI: SIP error debug tracing is enabled   (filter is OFF
-------------
#
*Feb  2 20:40:30.779: //-1/xxxxxxxxxxxx/SIP/Event/sipSPIEventInfo: Queued
event from SIP SPI : SIPSPI_EV_CC_CALL_SETUP
*Feb  2 20:40:30.783: //109/803045A3FD12/SIP/Event/sipSPICreateRpid:
Received Octet3A=0x83 -> Setting ;screen=yes ;privacy=off
*Feb  2 20:40:33.295: //109/803045A3FD12/SIP/Error/sipSPIDoAudioNegotiation:
Media negotiation failed for m-line 1
*Feb  2 20:40:33.295: //109/803045A3FD12/SIP/Error/sipSPIDoMediaNegotiation:
no valid fax or audio streams
*Feb  2 20:40:33.295:
//109/803045A3FD12/SIP/Error/ccsip_api_call_cut_progress: MediaNegotiation
Failure - Send Cancel
*Feb  2 20:40:33.295: //-1/xxxxxxxxxxxx/SIP/Event/sipSPIEventInfo: Queued
event from SIP SPI : SIPSPI_EV_CC_CALL_DISCONNECT
 
 
Here is the config below (i did before cme router with this config)
!
voice rtp send-recv
!
voice service voip 
 allow-connections h323 to h323
 allow-connections h323 to sip
 allow-connections sip to h323
 allow-connections sip to sip
 supplementary-service h450.12
 h323
  session transport tcp calls-per-connection 200
 sip
  bind control source-interface GigabitEthernet0/1
  bind media source-interface GigabitEthernet0/1
  registrar server expires max 3600 min 3600
  no call service stop
!
voice class codec 1
 codec preference 1 g729r8
 codec preference 2 g729br8
 codec preference 3 g723r63
 codec preference 4 g723r53
 codec preference 5 g726r24
 codec preference 6 g726r16
 codec preference 7 g726r32
 codec preference 8 g723ar53
 codec preference 9 g723ar63
!  
interface GigabitEthernet0/1
 ip address xxx.xxx.xxx.xxx xxx.xxx.xxx.xxx (defined real ip by sip
provider)
 duplex auto
 speed auto
!
 
!
dial-peer voice 100 voip
 preference 1
 voice-class codec 1
 destination-pattern 053T
 session protocol sipv2
 session target ipv4:xxx.xxx.xxx.xxx (sip server ip)
 dtmf-relay rtp-nte
 clid network-number xxxxxxxxx
!
 
 


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