[Asterisk-Users] port forwarding ip to ip sip calls

[Ashish Raikwar]

can you give me  more details ? like :
are you using one asterisk server in public ip and two phones behind NAT or
 two asterisk servers both are behind NAT and haveing phones connected
locally one with each other...
after that i can help u
----- Original Message -----
From: "Oliver Bode" <oliver.bode at phpmechanic.com>
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<asterisk-users at lists.digium.com>
Sent: Tuesday, August 02, 2005 4:56 PM
Subject: [Asterisk-Users] port forwarding ip to ip sip calls


> Hi,
>
> I've got two pa1688 phones that I want to set up to communicate between
> branch offices without a gatekeeper. Both phones will be behind a
> firewall and I want to use port forwarding so the phones can communicate.
>
> I tested the phones behind a firewall on the same network segment and
> there were no problems at all using sip. However, I then moved the
> phones into  situ and port forwarded udp on 5060 and 10000 - 20000 at
> both branch offices firewalls. I set the rcp port to 10000 and the sip
> port to 5060. The phones were able to ring each other, however, there
> was no sound on both ends.
>
> Can some one please tell me which ports I have to open in order to make
> communications between the two branch offices using these phones. Or
> share a config or suggest another protocol so I can make this happen.
>
> Thanks, Oliver
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