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General compatibility with protocols and codecs
Below are the protocols and codecs supported by the CVC network, as well as some notes on compatibility.
SIP
Codecs supported on our SIP platform:
G.711 ulaw
G.711 alaw
GSM
IAX2
Codecs supported on our IAX2 platform:
G.711 ulaw
G.711 alaw
GSM
Dialing instructions / number format
Below are the number formats for placing calls to the CVC network. These formats are the same regardless of the geographic origin of the call.
For US, Canada and other countries included in the North American Numbering Plan:
1 NPA NXX XXXX
