[vonage-out]
;exten => _9.,1,Dial(SIP/${EXTEN:1}@vonage-out,30,r)

[from-vonage]
exten => 1234,1,Answer ; 1234 is the contact extension, default contact extension is "s"
exten => 1234,2,Dial(SIP/111,25,Ttr) ; incoming calls are redirected to SIP telephone with number 111       
exten => 1234,3,Hangup

[outgoing]
exten => 16082376123,1,Goto(ext-local,202,1)
exten => _9.,1,Dial(SIP/${EXTEN:1}@sphone.vopr.vonage.net:5061,30,r)