If i have an IP Phone and SIP trunks on same codec eg g711, would this no longer consume 2 VCM channels? or would my provider (gamma) need to support direct media connection to do that?
If both sides use the same codec but not direct media the connection will be 'RTP relay'. As far as I understand that IPO just forwards the packets but has no real work with that process like converting from one codec to another.
SSA will tell you how many VCM channels are used but I see a chance that VCM is only used to initiate the connection.
Star for Okkie. VCMs are about codec conversion of the media stream and don't care if the signalling methods are different (eg. H323 vs SIP). So if both a using G711 then no VCM required.
Okkie26 that’s good to know. So just be clear on the usage if extns were tdm and using sip trunks am I correct in saying only one vcm ch would be used per call to convert the codec ?
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