Asterisk cards have a different number of ports, due to the variety of needs for different applications, manufacturers try to address them. For beginners, one can request for Asterisk card with single port configured with 1 FXO module. At first, you receive the option of accept incoming calls, afterwards you can route them anywhere within your IP network. It’s only in case of a live call, and than your line is busy because you have a single FXO to handle that call.
IntelePeer is a leading provider of SIP trunking carrying over 25 billion minutes of traffic annually. Our cloud communications services and SIP trunking make it easy for contact centers and enterprises to connect using IP communications.