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unable to make pc to pc call with communicator RRS feed

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    On one specific machine, I have the problem of making phone calls between 2 communicator clients. Calling the other end looks OK, but at the moment the other end accepts the call, the connection is dropped with:

     

     An error occurred during the call. More details (ID:87)

     

     

    in the tracing log, I get:

     

    12/05/2008|09:03:17.871 5EC:14D0 ERROR :: failed to get the default address 80ee0058
    12/05/2008|09:03:17.871 5EC:14D0 ERROR :: failed to get the default address 80ee0058
    12/05/2008|09:03:17.871 5EC:14D0 ERROR :: failed to get the default address 80ee0058
    12/05/2008|09:03:17.933 5EC:14D0 INFO  :: Function: CRTCStream::AttachSecurityContext
    12/05/2008|09:03:17.933 5EC:14D0 ERROR :: HRESULT failed: 80070057 = hr. failed to add the srtp key
    12/05/2008|09:03:17.933 5EC:14D0 INFO  :: Function: CRTCSendStream::AttachEncryptionInfo
    12/05/2008|09:03:17.933 5EC:14D0 ERROR :: HRESULT failed: 80070057 = hr. attach sec context failed
    12/05/2008|09:03:17.933 5EC:14D0 INFO  :: Function: CRTCChannel::AttachEncryptionInfo
    12/05/2008|09:03:17.933 5EC:14D0 ERROR :: HRESULT API failed: 80070057 = hr. failed to attach encryption info
    12/05/2008|09:03:17.933 5EC:14D0 INFO  :: Function: CRTCStream::AttachSecurityContext
    12/05/2008|09:03:17.933 5EC:14D0 ERROR :: HRESULT failed: 80070057 = hr. failed to add the srtp key
    12/05/2008|09:03:17.933 5EC:14D0 INFO  :: Function: CRTCReceiveStream::AttachEncryptionInfo
    12/05/2008|09:03:17.933 5EC:14D0 ERROR :: HRESULT failed: 80070057 = hr. attach sec context failed
    12/05/2008|09:03:17.933 5EC:14D0 INFO  :: Function: CRTCChannel::AttachEncryptionInfo
    12/05/2008|09:03:17.933 5EC:14D0 ERROR :: HRESULT API failed: 80070057 = hr. failed to attach encryption info
    12/05/2008|09:03:17.933 5EC:14D0 INFO  :: Function: CRTCMediaParticipant::UpdateNegotiatedEncryption
    12/05/2008|09:03:17.933 5EC:14D0 ERROR :: HRESULT failed: 80070057 = hr. failed to attach
    12/05/2008|09:03:17.933 5EC:14D0 INFO  :: Function: CRTCMediaParticipant::UpdateMediaChannel
    12/05/2008|09:03:17.933 5EC:14D0 ERROR :: HRESULT failed: 80070057 = hr. failed to compute the negotiated encryption
    12/05/2008|09:03:17.933 5EC:14D0 ERROR :: CRTCMediaParticipant::UpdateAllMediaChannels[03913868] get sdp media num. 80070057
    12/05/2008|09:03:17.933 5EC:14D0 ERROR :: CRTCMediaParticipant:Tongue TiedetSDPSession[03913868] failed to udate the sdpsession. 80070057
    12/05/2008|09:03:17.933 5EC:14D0 ERROR :: RTP_CALL:Tongue TiedetSDPBlobInAnswer SetSDPSession failed 80070057

    I tried reinstalling, removing, clean install.

     

    It looks like a dependency like stream, security or whatever dependent component on the machine is causing the issue.

     

    Anyone seen this before or knows more about dependencies I can focus on troubleshooting.

     

     

     

    Friday, December 5, 2008 8:23 AM

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    Please disable the IPv6 stack as you are using an IPv6 address

     

    Friday, December 5, 2008 8:13 PM
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    thanks for the response,

     

    I am using IPv4, IPv6 protocol stack is not even loaded on my system.

     

    any other hints?

     

     

     

    Monday, December 8, 2008 8:37 AM
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    Can you determine if this is occurring when calling all clients from the affected machine or just between these two in particular?
    Monday, December 8, 2008 11:18 PM
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    It's one specific machine that is not capable of making any calls, dial and answer. All other machines

    are able to make phone calls.

     

    I reinstalled the communicator multiple times, downloaded the latest patches but nothing helps. It must be a dependency outside the installation scope of communicator.

    The trace shows rtp binding failures on a stream. what stream is used and where does it come from, so I can reinstall that part I think.

    Tuesday, December 9, 2008 8:28 AM
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    Did you try multiple users on that machine?

     

    Tuesday, December 9, 2008 9:56 PM
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    Hi,

     

    Is the OS different on this machine ? different SP ?

    Tuesday, December 9, 2008 10:46 PM