Linksys SPA941 Phones...
Submitted by mediumgrade on Mon, 02/25/2008 - 4:19pm.
I have the Linksys SPA941 phones which, generally, work great.
However, when trying to get them to work remotely (the whole SIP/NAT thing), I get intermittent audio problems. Namely, neither party can hear the other. Now, I know that the NAT/Asterisk settings are correct as it works half the time with the Linksys phone and all the time with my X-Lite softphone, but I wondering if anyone knows anything specific to the SIP settings on the Linksys phone that I should additionally be aware of.
Here are my port forward settings:
22 <--- TCP
80 <--- TCP
443 <--- TCP
5060-5082 <--- TCP/UDP
8000-20000 <--- TCP/UDP
The first three, obviously, are SSH, HTTP and HTTPS, but the last two should be correct for SIP/RTP. The RTP ports for the Linksys phone are between 16384 and 16482 (well within what I have open on the firewall). What should I be looking into for this?
externip=65.255.194.171
local
Mon, 02/25/2008 - 4:36pm
externip=65.255.194.171
localnet=172.16.50.0/255.255.255.0
Now, I have all of the phones connecting to a host name which points to that IP address. This is done so that if/when we switch providers, it will be a smooth transition for all remote phones.
Is this not the way to do it?
--
David Martinez
IT Operations
Parker & Morgan
life is better
Member Since:
2008-01-31