Businesses Telephone Communication Solutions

Normal Mode:

1. IP Phones are configured to register with the Central Server/PBX or the Gateway depending on application
2. The Gateway will register as an endpoint to the Central Server/PBX
3. Remote IP phones have full feature set
4. Central Server/PBX allows IP trunking of the PSTN lines at the remote site and they will be available for in/outbound calls

Survivable Mode:

1. SIP server or Gatekeeper built into the Gateway takes full command
2. Station-to-station, station-to-trunk and trunk-to-station calls will be supported
3. Remote IP phones have limited feature set
4. When WAN is restored control will once again pass to the Central Server/PBX