Call accross SIP Trunk - intermittent failures

Unanswered Question
Jun 18th, 2007

Call from a telcom switch via PRI into AS5400 will fail intermittently on the outbound SIP leg

Switch-->PRI-->AS5400 POTS dial-peer-->voip dial-peer-->SIP Long Distance carrier

The following cause code is listed on the CCSIP debug:

Reason: Q.850;cause=102.

Here is where the disconnect occurs in the CCSIP all debug:

Jun 18 10:07:25.104 CDT: //1921806/74B317FDA53A/SIP/State/sipSPIChangeState: 0x66F46638 : State change from (STATE_SENT_INVITE, SUB)

Jun 18 10:07:35.044 CDT: //-1/xxxxxxxxxxxx/SIP/Event/sipSPIEventInfo: Queued event from SIP SPI : SIPSPI_EV_CC_CALL_DISCONNECT

Jun 18 10:07:35.044 CDT: //1921806/74B317FDA53A/SIP/Info/sipSPIValidateGtd: Signal Forward disabled

This is 12.3(11)T8

Thanks

I have this problem too.
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Anonymous (not verified) Fri, 06/22/2007 - 08:14

Ability to check the media source address and port of incoming RTP packets, thereby enabling the remote address and port of the existing session to be updated

Enhanced interoperability in networks where NAT devices are unaware of SIP or SDP signaling

Ability to advertise endpoint presence inside or outside NAT

Ability to specify the connection role of the endpoint

http://cisco.com/en/US/products/sw/iosswrel/ps1839/products_feature_guide09186a0080110bf9.html

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