Cisco IOS SIP Registration to Asterisk
voice service voip allow-connections sip to sip sip ! ! dial-peer voice 1 voip destination-pattern .T session protocol sipv2 incoming called-number . session target sip-server dtmf-relay rtp-nte codec g711ulaw no vad ! sip-ua credentials username [[SIP Username]] password [[SIP Password]] realm asterisk authentication username [[SIP Username]] password [[SIP Password]] registrar ipv4:[[SIP Proxy IP]] expires 60 sip-server ipv4:[[SIP Proxy IP]]

SIP Username:
SIP Password:
SIP Proxy IP:

Use this code to post the full script to your own page:

Use this code to post only the variables to your own page: