Dial Plan

sip.conf

[101]
type=peer
host=dynamic
secret=
context=users
mailbox=101@default

[102]
type=peer
host=dynamic
secret=
context=users
mailbox=102@default

[103]
type=peer
host=dynamic
secret=
context=users
mailbox=103@default

[104]
type=peer
host=dynamic
secret=
context=users
mailbox=104@default

[VoIPProvider]
type=peer
host=proxy.provider.net
username=wilber
fromuser=wilber
secret=supersecure
canreinvite=no

extensions.conf

[macro-phone]
exten => s,1,Dial(SIP/${MACRO_EXTEN},25)
exten => s,n,Goto(${DIALSTATUS},1)
exten => ANSWER,1,Hangup
exten => CANCEL,1,Hangup
exten => NOANSWER,1,Voicemail(${MACRO_EXTEN}@default,u)
exten => BUSY,1,Voicemail(${MACRO_EXTEN}@default,b)
exten => CONGESTION,1,Voicemail(${MACRO_EXTEN}@default,b)
exten => CHANUNAVAIL,1,Voicemail(${MACRO_EXTEN}@default,u)
exten => a,1,VoicemailMain(${MACRO_EXTEN}@default)

[stations]

exten => 101,1,Macro(phone)
exten => 102,1,Macro(phone)
exten => 103,1,Macro(phone)
exten => 104,1,Macro(phone)
exten => 4242,1,VoicemailMain(default)

[long-distance]
exten => _NXXNXXXXXX,1,Dial(SIP/VoIPProvider/1${EXTEN})
exten => _1NXXNXXXXXX,1,Dial(SIP/VoIPProvider/${EXTEN})

[local]
exten => _NXXXXXX,1,Dial(SIP/VoIPProvider/1212${EXTEN})

[users]
include => stations
include => local
include => long-distance