Voice -- SIP Advanced configuration Enable T38 support Registration Expire Timeout Registration Retry Interval Voip Dialpan Setting: DSCP for SIP: EF (101110) AF13 (001110) AF12 (001100) AF11 (001010) CS1 (001000) AF23 (010110) AF22 (010100) AF21 (010010) CS2 (010000) AF33 (011110) AF32 (011100) AF31 (011010) CS3 (011000) AF43 (100110) AF42 (100100) AF41 (100010) CS4 (100000) CS5 (101000) CS6 (110000) CS7 (111000) DSCP for RTP: EF (101110) AF13 (001110) AF12 (001100) AF11 (001010) CS1 (001000) AF23 (010110) AF22 (010100) AF21 (010010) CS2 (010000) AF33 (011110) AF32 (011100) AF31 (011010) CS3 (011000) AF43 (100110) AF42 (100100) AF41 (100010) CS4 (100000) CS5 (101000) CS6 (110000) CS7 (111000) Dtmf Relay setting: SIPInfo RFC2833 InBand Hook Flash Relay setting: SIPInfo None SIP Transport protocol: Enable SIP tag matching (Uncheck for Vonage Interop). Music Server: Music Server port: Incoming PSTN Call Routing: Auto - PSTN Call switch to idle line Line - PSTN Call switch to Physical Line Voip - PSTN Call switch to voip call PSTN DialPlan For Outgoing Calls: