Dialplan SIP to make it like SIP trunk

[gerski]

Hello,

Do you guys have any solution regarding SIP that you can make it like trunk? im thinking i have many SIP number and i also want to input it all in one prefix. can you give me the commands for this?

first we will register it to sip.conf right? and in extensions.conf how can i configure it?

[mflorell]

There is a sample in the SCRATCH_INSTALL for SIP trunks, but you could probably find more information on voip-info.org about it.