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    Hi everyone,

    Hoping to get some pointers for the following issue. I have a CUCM 7.1 cluster with Direct SIP Trunking to Lync utilising a mediation server. The CUCM cluster also has a SIP trunk to a Tandberg/Cisco VCS. I have successfully configured Audio calls from Lync to go via the CUCM cluster, through the VCS to a video conferencing endpoint.

    Unfortunately when initiating a video call, or escalation an audio call to video the lync client fails and simply just says "Video was not accepted."

    Any ideas?

    Thanks,

    Mark

    Monday, September 5, 2011 12:01 AM

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    Hi,

    It looks like because the Audio calls to go via the cucm cluster. When escalated the audio call to video call, the video traffic flow will also try to go via cucm. But the cucm can not process video traffic flow, so it gives the error "Video was not accepted".

    Normally, we donot change the configuration that the client audio calls just go via a/v server by default. Please try to cancle the configuration of lync audio calls go via cucm cluster. 

    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.
    • Proposed as answer by Sean_Xiao Friday, September 9, 2011 10:35 AM
    • Marked as answer by Sean_Xiao Wednesday, September 14, 2011 7:48 AM
    Monday, September 5, 2011 6:03 AM
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    As I know, some cisco produce can support video call between the two deskphone. But the video calls can not be supported between deskphone and lync client at present. Do you deskphone support video calls?
    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.
    • Proposed as answer by Sean_Xiao Friday, September 9, 2011 10:35 AM
    • Marked as answer by Sean_Xiao Wednesday, September 14, 2011 7:48 AM
    Tuesday, September 6, 2011 5:18 AM

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    Hi,

    It looks like because the Audio calls to go via the cucm cluster. When escalated the audio call to video call, the video traffic flow will also try to go via cucm. But the cucm can not process video traffic flow, so it gives the error "Video was not accepted".

    Normally, we donot change the configuration that the client audio calls just go via a/v server by default. Please try to cancle the configuration of lync audio calls go via cucm cluster. 

    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.
    • Proposed as answer by Sean_Xiao Friday, September 9, 2011 10:35 AM
    • Marked as answer by Sean_Xiao Wednesday, September 14, 2011 7:48 AM
    Monday, September 5, 2011 6:03 AM
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    Hi Sean,

    Thank you for your reply.

    Are you suggesting that I enable media bypass? That way only the signalling occurs through the CUCM cluster but the data goes directly between the endpoints?.

    Kind regards,

    Mark

    Monday, September 5, 2011 11:18 PM
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    Hi Mark,

    I am not sure I got your question correctly.

    If you just initiate a PC to PC voice conference, the audio traffic flow does not go via CUCM and you call and you can escalated to video call.

    If you make a call to Phone endpoint, the flow will go via CUCM. But you can not escalated to video call. 

     

    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.
    Tuesday, September 6, 2011 1:32 AM
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    Hi Sean,

    Thank you for that.

    We were under the impression that calls being via CUCM to video and Lync end points could then be escalated to video calls. Just to confirm, that's not possible?

    For example, in CUCM we have it set to ring both the deskphone and an extension that is routed to the Lync client.

    Thanks.

    Tuesday, September 6, 2011 4:54 AM
  • Question
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    As I know, some cisco produce can support video call between the two deskphone. But the video calls can not be supported between deskphone and lync client at present. Do you deskphone support video calls?
    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.
    • Proposed as answer by Sean_Xiao Friday, September 9, 2011 10:35 AM
    • Marked as answer by Sean_Xiao Wednesday, September 14, 2011 7:48 AM
    Tuesday, September 6, 2011 5:18 AM