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when it is "Not Supported": "Secure RTP" = "Disabled".Depends on the value of 1-d (Encryption support level):(In real world, if you want a call to be completely secure, please pick TLS and Encryption level "Required").Set " Authenticate Calls" to "Disabled".Upload TLS Server Certificate in "TLS Certificate" (check Annex A for more details about Certificate Generation).Set "Lync Interoperability" to "Enabled".Set " Notify REFER on Final Response" to "Enabled".Set " Maximum Sip Request URI Length" to " 255".Set both "Inbound Media Profile" and "Outbound Media Profile" to "LyncOnly".note: that when TCP is the only transport, "Port" will be used if TLS is the only transport, only "TLS Port" is used.if "Transport" is "TLS", set the value of 1-c (5081) to item "TLS Port".If "Transport" is "TCP", set the value of 1-c (e.g."Transport": choose "TCP" or "TLS" depending on 1-a." SIP IP Address ": choose the NIC you want to use for SIP listening.
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You will have a default configuration, and do the following changes:.Go to "Configuration -> Signalling -> SIP Profiles", add a new sip profile.Set " Enable Silence Suppression" to "Enabled" įor a call from Mediation Server to NSC, we call it an outbound call what we need to do is to create NSC SIP Profile.Make sure that only "PCMU 20ms, PT=0" and "PCMA 20ms, PT=8" are selected.Go to "Configuration -> Media -> Media Profiles", create a new media profile named "LyncOnly" (of course you can use other name you like).FQDN or IP address of Lync Server Mediation Serverīecause Lync only supports G711 codecs ( PCMU and PCMA), it is suggested that you create a media profile that only includes PCMU and PCMA. Lync Server Trunk Configuration " Encryption support level": Required, Optional or Not SupportedĮ. I use port 5081 here for either TCP or TLS ĭ. Lync Mediation Server doesn't support UDP for SIP signalling) ī. Lync Server Mediation Server SIP listening port (By default, 5067 for TLS or 5068 for TCP) Ĭ. Transport type to use for SIP signalling (TCP or TLS. Before you start to configure NSC to connect with Lync Server, you need to know some information first:Ī.
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