Call Server Configuration for the Dlink DVX-1000Router Sceenshot

-> Call Server->Configuration [ Help ] Call Server Configuration SIP Configuration Domain Name 192.168.20.6 Port 5060 Default Authentication Not Required Minimum Expiry Time 600 ( In Seconds Range: 30 to 3600 ) Maximum Expiry Time 86400 ( In Seconds Range: 3600 to 86400 ) Other Configuration Session Refresh Method Invite --> Session Refresh Timeout 180 ( In Seconds Range: 60 to 600 ) Default NoAnswer Timeout 20 ( In Seconds Range: 10 to 50 )