Cisco Bug: CSCur26932 - 9951 video calls to CME over SIP trunk result in one way video
Last Modified
Nov 27, 2020
Products (1)
- Cisco 2900 Series Integrated Services Routers
Known Affected Releases
15.3(2.6)T
Description (partial)
Symptom: Issue with one-way or no way video on CME video phone 89XX 9951 phone --> SIP--> CUCM-->SIP-->CUBE-->SIP-->CUCME-->SCCP--> 8945 phone Here below the releases and firmwares used on each equipment. SITE A CUCM 8.6.2.22900-9 phone 9951 firmware sip9951.9-3-1-33 phone 8945 firmware SCCP8941_8945.9-3-2-11 CUBE c2900-universalk9-mz.SPA.152-3.T3.bin SITEB CUCME 9.1 IOS: c2900-universalk9-mz.SPA.153-1.T1.bin Phone 8945 firmware SCCP894x.9-2-3-5 When the 9951 phone on site A calls the 8945 phone on site B, the video won't be displayed on the 8945 phone on site B. But the 9951 phone will display the video. Now if if we change the scenario like this: 8945 phone --> SCCP--> CUCM-->SIP-->CUBE-->SIP-->CUCME-->SCCP--> 8945 phone or 9951 phone --> SIP--> CUCM-->SIP-->CUBE-->SIP-->CUCM (not CUCME)-->SCCP--> 8945 phone The video will be displayed on both phones. Conditions: There are 2 scenarios tested out. Scenario 1 : When 9951 phone on CUCM calls 8941 on CME, One way video happens. call flow : 9951 ---SIP --- CUCM ---SIP --- CME ----SCCP ---8941. Result : One way video. Scenario 2: When 8941 phone on CME calls 9951 on CUCM, no way video. Call flow: 8941 -SCCP --- CME ----SIP ---- CUCM ---SIP ---9951 . Result: No way Video.
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