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Cisco Bug: CSCvs15211 - Cisco IP Phone 88xx intermittently sent Model Number: 0 via CAST protocol

Last Modified

Jan 21, 2020

Products (13)

  • Cisco IP Phone 8800 Series
  • Cisco IP Conference Phone 7832
  • Cisco IP Phone 7841
  • Cisco IP Phone 8851
  • Cisco IP Phone 8865
  • Cisco IP Phone 7821
  • Cisco IP Phone 8811
  • Cisco IP Phone 7861
  • Cisco IP Phone 8861
  • Cisco IP Phone 8845
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Known Affected Releases

12.6(1)

Description (partial)

Symptom:
Cisco IP Phone 88xx intermittently sent Model Number: 0 via CAST protocol. Profile "0" is not recognized by jabber  and this is causing one way video.

This issue apply to all the 88x1 , 88x5 and 78x1 desktop phone.

Conditions:
Issue was noticed on the following call flow:
Jabber -> CUCM -> CUBE1 -> CUBE2 -> Avaya

The following error can be spotted in Jabber PRT:
RECV  StartMultimediaTransmission RemoteIP=[X.X.X.X RemotePort=[17430] PayloadRFC=[0] Payload=[98] DSCP=[136] Compression=[H.264] Profile=[0] Level=[85] customMaxMBPS=[0] customMaxFS=[0] customMaxDPB=[0] customMaxBRandCPB=[0]
...
2019-09-03 10:16:08,260 ERROR [0x00003b04] [c\src\cdp-cast\cast\CASTClient.cpp(1647)] [csf.ecc.cast] [csf::ecc::CAST::Client::onStartMultiMediaTransmission] - : Phone_Type_None: Cannot stream video.
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