Cisco Unified CM 6.1 to Asterisk and FreePBX SIP Trunks (Powered by Bandwidth.com)
One of the systems I manage is an 875 Extension Cisco Unified Call Manager(UCM). At the moment the system uses SCAN trunks for long distance calling. These SCAN Trunks are provided by the state of Washington and interconnect via a four port FXO card. Callers use a PIN to make long distance calls. This is