Configure Outgoing Calls
XN120 Voice Over IP Card Guide
27
When SIP trunks are used, typically there are no more than a hundred remote destinations. As the destinations
are usually all located within a private data network there needs to be a method of translating dialed numbers to
IP addresses – these cannot be automatically determined as in the previous example.
The XN120 has a dialing table that is referred to whenever a call is attempted via a VOIPU trunk. The dialing
table allows up to 1000 telephone number/IP address entries. The flowchart below shows how the routing
decisions are made in a typical XN120 installation.
