Gatekeeper Multicast Discovery
Endpoints which are using multicast discovery will use the multicast adress 224.0.1.41 for GRQ
read moreH.323 Caller ID on FXS ports
In H.323 , you can play with the caller id (not the case with MGCP , see previous post). By default,Caller ID is disabled on all FXS ports. So in order to enable it , you must go under the...
read moreMGCP Called ID on FXS ports
Caller ID is not supported on MGCP Controlled FXS ports. So remind this if you need it ๐
read moreMIC,LSC, Security Endpoints
Regarding security endpoints, you have 2 opportunities : Newer phones are using more an existing Mafufacturing Installed Certificate , this is the MIC Meanwhile , old phones will use a Locally...
read moreCAST – Cisco Audio Session Tunnel
Cast is the protocol used into the conversation between the webcam and your IP Phone. It uses TCP/4224 in both direction ( easy to implement if you are firewalling your networks). Pay also attention...
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