IP Office VCM Channels
IP Office VCM Channels are Voice Compression Modules, which enable use of IP phones on your IP Office system. Voice compression modules work on concurrent use basis. Features such as Channel compression module required for IP Trunking and IP extensions to IP403, IP406, and IP412 are included on Voice Compression Modules. The IP Office Voice Compression Module supports 5, 10, 20 or 30 simultaneous voice over IP sessions. These can be used for either providing networking between sites over a wide area network or supporting IP Telephones and Soft phones. An IP extension only uses the compression module whilst on a call to a non-IP extension/line. Hence, it is possible to support more extensions than the capacity of the VCM.