Netopia

Netopia has SIP Passthrough "on" by default. (Or SIP ALG in newer models) In order to work with Junction Networks, you must turn SIP Passthrough (SIP ALG) off.

The setting is not in the web gui. You have to telnet into the
router, then type. Each line is a new command.


configure
set ip sip-passthrough off
save
exit
Restart


On the Netopia 4622xlt
Telnet into the device
Use the arrow keys to highlight 'quick menu' and press "ctrl-n"
That brings you to the console.
type:

ip nat alg sip enable no
save
exit
restart