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Cisco Bug: CSCus84696 - Voice gateway not sending ISDN USER_INFO for SIP Info to update number

Last Modified

Jun 13, 2017

Products (71)

  • Cisco IOS
  • Cisco VG204XM Analog Voice Gateway
  • Cisco 819 Hardened Integrated Services Router
  • Cisco 2951 Integrated Services Router
  • Cisco 886VAG 3G Integrated Services Router
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco C892FSP Integrated Services Router
  • Cisco 892W Integrated Services Router
  • Cisco 1905 Serial Integrated Services Router
  • Cisco 812 CiFi Integrated Services Router
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Known Affected Releases

15.3(3)M3

Description (partial)

Symptom:
Topology: 
Phone 1 --  PBX (HO) -- ISDN QSIG -- Cisco GW (HO) -- SIP -- Cisco GW (Remote) -- ISDN QSIG --PBX (Remote) -- IP phone

Problem Description: 
Call is made from Head Ooffice (HO) to Remote site. Remote site user transfers calls to another user located on the same remote site. Name and number is not updated on the HO extension after the transfer.

Conditions:
+ After call is transferred remote PBX sends ISDN USER_INFO with UUI to Remote Cisco GW. On receiving UUI the remote gateway sends SIP INFO to the originating gateway with qsig information.

+ The originating gateway (HO) receives the SIP Info from terminating gateway but the originating gateway is not sending ISDN Info to the originating gateway to update the name and number.

+ "signaling forward unconditional" is configured.
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