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
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
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
3.) Remote IP phones have limited feature set
4.) When WAN is restored control will once again pass to the Central Server/PBX
