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The Microsoft Debugging Tools can be downloaded from: Verify that Pexip Infinity Conferencing Node receives RTP media from SfB/Lync client (using for instance tcpdump).Ĭollecting SIP logs using the SfB/Lync Server Logging Tool.Verify that SfB/Lync client receives RTP media from Pexip Infinity (using for instance Wireshark).Verify that firewall configuration permits relevant media traffic.200 OK response from Pexip Infinity should contain m=audio and m=video lines in SDP.INVITE from SfB/Lync client should contain m=audio and m=video lines in SDP.Verify (with SIP logs) that the SIP call setup behaves as expected:.Verify that the call from the SfB/Lync client is placed as a video call rather than a SfB/Lync (audio-only) call.Verify that the SfB/Lync client is correctly configured with an audio and video device.SfB/Lync client can successfully connect to the Pexip Infinity conference, but audio and/or video is not working in one or both directions Checklist

The node should then be returned to the trusted application pool after it has been taken back out of maintenance mode. Therefore, if you need to place a Conferencing Node into maintenance mode, we recommend that you wait until all SfB/Lync calls on that node have completed, and then you should temporarily remove the node from the trusted application pool and then place it into maintenance mode. If a Conferencing Node in a trusted application pool is placed into maintenance mode, and a SfB/Lync server sends a call to that node, the node will respond with 503 Service Unavailable and the call will then fail ( SfB/Lync will not try another node in the pool).

If this second INVITE is not seen, this is a strong indication of a media connectivity issue between the two peers. This can be done both on the Conferencing Node (with the support log) and on the FEP serving the SfB/Lync client (using the SfB/Lync debugging tools).Ī normal SIP call flow between a SfB/Lync client and the Pexip Infinity Conferencing Node should be: SfB/Lync clientĪfter ICE negotiation has completed between the SfB/Lync client and the Conferencing Node, the SfB/Lync client should send a second INVITE to signal the ICE negotiation completion. After that has been verified, check if the Conferencing Node receives the SIP INVITE request from the SfB/Lync client. If the SfB/Lync client fails to connect to the conference altogether, we need to verify that the alias exists on the Management Node.

Check if the Conferencing Node receiving the call is in maintenance mode.

Management Node support log ( History & Logs > Support log).

Verify that the Conferencing Node receives the SIP INVITE request from the SfB/Lync client (via the FEP):

Verify that a Virtual Meeting Room with the alias being dialed exists on the Management Node.

SfB/Lync client does not connect to Pexip Infinity conference Checklist * Note that where this documentation refers to " SfB/Lync", it represents both Microsoft Skype for Business and Lync unless stated otherwise.įor a list of known limitations with Pexip Infinity and Microsoft Skype for Business and Lync integrations, see Limitations.

Pexip only transmits low resolutions to mobile SfB clients.

Shared PowerPoint files are slow to display to Pexip participants.

Pexip VMR participants can't see shared PowerPoint files.

Audio-only calls when using a VCS for call control.

Gateway clients are disconnected from SfB/Lync meetings.

Problems connecting gateway calls to SfB/Lync clients.

Problems connecting to SfB/Lync meetings via the Virtual Reception (IVR gateway).

Can only make audio calls when using a Cisco VCS for call control.

SfB/Lync users see low-resolution presentations in small scale.

SfB/Lync presenter sees "Someone has joined and can't see what's being presented or shared" notification.

Content from Pexip participants not included in a Skype for Business / Lync meeting recording.

SfB/Lync participants do not receive presentations / content sharing.

Sending messages from a SfB/Lync client to a locked conference.

Poor image quality and delays when sharing content from SfB/Lync.

Conference status shows backplanes to a merged SfB/Lync meeting with no participants.

Collecting SIP logs using the SfB/Lync Server Logging Tool.

SfB/Lync client can successfully connect to the Pexip Infinity conference, but audio and/or video is not working in one or both directions.SfB/Lync client does not connect to Pexip Infinity conference.This topic describes any limitations and provides troubleshooting guidance when integrating Microsoft Skype for Business and Lync* with Pexip Infinity.