About Asterisk SIP NAT Config

Home » Asterisk Users » About Asterisk SIP NAT Config
Asterisk Users No Comments

Dear all,

I would appreciate it if you could teach me “Asterisk SIP NAT Config”.
I’m trying to capture SIP Register with externip that should set in
contact header at External SIP Server as shown below, but I haven’t
seen it.
I need your help.

My experiment environment is as follows.