video call from Cisco 8945 SCCP to Polycom VVX 1500 Third party Sip Phones between intercluster trunks is not working

[srimantaj]

Dear All,

               We have two cucm Clusters in Different Locations between that clusters i created

Inter-Cluster Trunk (Non-Gatekeeper Controlled) Now all are working fine Between Clusters

audio calls & Video calls between sccp 8945 phones  , but iam facing a Problem with third party

Video Phones (Polycom VVX 1500 ) Third Party SIP Phones located in second cluster, From 1 st cluster cisco 8945 Video

phone to  2nd cluster Polycom Video phone all calls are works for voice call only, but no video ,

Please Suggest me Solution.

Thank you,

Sriman

[heathrw]

Try setting up a SIP trunk between the two clusters and set a route patten just to the VVX 1500 and check how that goes. 

From memory inter-cluster trunks are a H.323 like protocol which might have video inter-op issues with the Polycom device.

[srimantaj]

Thank You heathrw