SPA / Sipura Config
Regional Call Progress Tones Dial Tone: 400@-16,425@-16,450@-16;10(*/0/1+2 +3) Line x NAT Settings NAT Mapping Enable: YES NAT Keep Alive Enable: YES SIP Settings SIP Transport: TCP Proxy and Registration Register Expires: 300 (or less) Dial Plan (*xx|13[1-9]xxxS0|1[38]00xxxxxxS0|190xxxxxxx!|000S0|0011xxxxxx.|[2-9]xxxxxxxS0|0[2-9]xxxxxxxxS0)
