I have an Asterisk server with a public IP address (without using NAT). Additionally, I have two IP phones behind different NATs, each with a different mapped public address. Both phones can register on my Asterisk server, but when one of the IP phones calls the other, I observe a loop of received INVITE packets on Wireshark on the Asterisk server without seeing the TRYING and RINGING packets. As a result, the SIP session never establishes.
my SIP.conf
<code>
[general]
context=default
allowguest=no
bindport=5060
bindaddr=0.0.0.0
allow=ulaw
allow=alaw
externip=105.96.25.87
localnet=192.168.1.0/24
nat=force_rport,comedia
[148]
type=friend
context=default
host=dynamic
nat=force_rport,comedia
directmedia=no
[151]
type=friend
context=default
host=dynamic
nat=force_rport,comedia
directmedia=no
[170]
type=friend
context=default
host=dynamic
nat=force_rport,comedia
directmedia=no
</code>
<code>
[general]
context=default
allowguest=no
bindport=5060
bindaddr=0.0.0.0
allow=ulaw
allow=alaw
externip=105.96.25.87
localnet=192.168.1.0/24
nat=force_rport,comedia
[148]
type=friend
context=default
host=dynamic
nat=force_rport,comedia
directmedia=no
[151]
type=friend
context=default
host=dynamic
nat=force_rport,comedia
directmedia=no
[170]
type=friend
context=default
host=dynamic
nat=force_rport,comedia
directmedia=no
</code>
[general]
context=default
allowguest=no
bindport=5060
bindaddr=0.0.0.0
allow=ulaw
allow=alaw
externip=105.96.25.87
localnet=192.168.1.0/24
nat=force_rport,comedia
[148]
type=friend
context=default
host=dynamic
nat=force_rport,comedia
directmedia=no
[151]
type=friend
context=default
host=dynamic
nat=force_rport,comedia
directmedia=no
[170]
type=friend
context=default
host=dynamic
nat=force_rport,comedia
directmedia=no
I want a solution to the problem I mentioned above.
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