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Lync Server 2013: Ports and protocols ... - …
https://docs.microsoft.com/en-us/previous-versions/office/lync-server-2013/lync-server-2013-ports-and-protocols-for-internal-servers
Lync Server 2013: Configuring port ... - docs.microsoft.com
https://docs.microsoft.com/en-us/previous-versions/office/lync-server-2013/lync-server-2013-configuring-port-ranges-for-your-conferencing-application-and-mediation-servers
Lync Server 2013 port requirements - docs.microsoft.com
https://docs.microsoft.com/en-us/previous-versions/office/lync-server-2013/lync-server-2013-port-requirements
Topic Last Modified: 2013-03-27. Lync Server requires that specific ports on the firewall be open. Additionally, if Internet Protocol security (IPsec) is deployed in your organization, IPsec must be disabled over the range of ports used for the delivery of audio, video, and panorama video.
Lync Video Ports - social.technet.microsoft.com
https://social.technet.microsoft.com/forums/lync/en-US/1924e911-0d03-4b57-9795-5c658129186a/lync-video-ports
By default the negotiated port range for any peer-to-peer media could be anything between 1024-65535. So you'll need to define a specific port range for media in Lync first, then open that range in the firewall between the networks.
What are the list of port numbers used for Microsoft Lync ...
https://community.arubanetworks.com/blogviewer?blogkey=4ecedce3-a709-4524-8f91-76dfcb8e4ef3
TCP 5063 - Used for incoming SIP requests for Audio/Video conferencing. TCP 443 – Used by Lync clients outside a corporate network – or all Lync Online clients. UDP 3478 – This port is used for STUN (Session Traversal Utilities for NAT) messages. Lync clients initiate STUN connectivity check prior to media transmission.
You cannot make Lync audio calls ... - …
https://support.microsoft.com/en-us/topic/you-cannot-make-lync-audio-calls-or-you-experience-poor-audio-or-video-quality-in-office-365-dedicated-or-itar-5ee0a254-ed8a-9ac0-9570-21ffaa0b9569
For the best connection, the proxy and firewall should have port 443 and ports 50000-59999 open to all traffic. Make sure that the audio/video device that is being used is approved and certified to work with Lync 2010. For more information, see the …
Lync Server 2013: Determine external A/V firewall and port ...
https://docs.microsoft.com/en-us/previous-versions/office/lync-server-2013/lync-server-2013-determine-external-a-v-firewall-and-port-requirements
The previous table assumes that Lync Server 2013 is the primary federation partner and it is being configured to communicate with one of the other federation partner types listed. Configuring the Audio/Video port range of 50,000-59,999 must take into account that the port range will contain the source ports for communications to federation partners.
Lync Server 2010 Port Ranges and Audio/Media Negotiation ...
https://www.shudnow.io/2010/12/06/lync-server-2010-port-ranges-and-audiomedia-negotiation/
Set-CsConferenceServer -Identity <ConferencingServer:FQDN of Lync Pool or A/V Server/Pool FQDN> -AudioPortStart <beginning of port range, 1024 or higher> -AudioPortCount <number of ports, at least 128> -VideoPortStart <beginning of port range, 1024 or higher > -VideoPortCount <number of ports, at least 128> -AppSharingPortStart <beginning of port …
Understanding Lync Edge Server Ports : Jeff Schertz's Blog
http://blog.schertz.name/2012/07/understanding-lync-edge-server-ports/
Internally (between clients), we discriminate between audio and video on different UDP port ranges, setting DSCP to EF (audio) or AF41 (video) through Group Policy, depending on the port numbers. Yet all Edge streams use the same port, and the Edge server does not appear to mark any packets itself.
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