This AP- E&M4 H/W card supports the four(4) channel E&M(recEive and transMit) interface port(4xRJ45) and can be used in rack type midrange VoiceFinder VoIP gateway series of AddPac Technology.
Using this AP-E&M4 analog interface module, VoiceFinder VoIP gateways provide analog line Interface solutions that can interface to Private Branch Exchange (PBX) trunk line.
