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Cisco Bug: CSCuj07204 - 79XX phones do not display Caller ID if Remote-Party-ID has FQDN

Last Modified

Feb 03, 2017

Products (36)

  • Cisco Unified IP Phone 7900 Series
  • Cisco Unified IP Phone 7945G
  • Cisco Unified IP Phone 9951
  • Cisco Unified IP Phone 7962G
  • Cisco Unified IP Phone 7971G-GE
  • Cisco Unified IP Phone Expansion Module 7914
  • Cisco Unified Wireless IP Phone 7920
  • Cisco Unified IP Phone 6941
  • Cisco Unified IP Phone 7961G-GE
  • Cisco Unified IP Phone 7911G
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Known Affected Releases

9.3(1)

Description (partial)

Symptom:
After upgrading firmware from SIP 9.2.3 to SIP 9.3.1SR2-1, 7900 series phones fail to display Caller ID information for inbound external calls, on certain call flows where the call arrives on CUCM via a SIP trunk. Caller ID display for internal calls is not effected.

Conditions:
In the non-working case, the Remote-Party-ID provided in the SIP headers for the INVITE to the 7900 series phone shows a FQDN in the host portion of the SIP address. Caller ID display works properly if the Remote-Party-ID shows an IP address in the host portion of the SIP address.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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