Hi,
I thought about this too and checked out a few things a while back. Didnt actually get to do anything about it coz of a change of job ;-).
This was what i thought i'd do but i'm sure there are better ideas out there.
PJSIP --------> P2P gateway (SIP parser + OpenDHT client) ------------>
1. Create a B2BUA that does the following
a. take the SIP request and parse the SIP URL
b. get the remote ip address using OpenDHT protocol or ur favored p2p protocol.
c. replace the SIP URL with the remote IP
d. forward the request.
2. Start PJSIP setting the outbound proxy IP to the created P2P gateway
Since all u probably need from P2P is to get and maintain the remote party's IP, using the http://www.opendht.org/ service would make things easier especially if we skip the NAT part of things for the moment.
If both the p2p gateway and PJSIP are on the same system, then doing the p2p IP resolution before sending the SIP request would skip the need for a gateway.
Hope this helps,
Nigel
From: johnswyen@xxxxxxxxxxxxxxx
To: pjsip at lists.pjsip.org
Date: Mon, 20 Oct 2008 11:59:21 +0800
Subject: Re: simple p2p connection
hi all,
i also meet the same problem and got no
idea what to do
we'll be very appreciated if there is a sample
application or some guidence for us.
br,
John
----- Original Message -----
From:
Chris
Bick
To: pjsip at lists.pjsip.org
Sent: Monday, October 20, 2008 10:14
AM
Subject: simple p2p
connection
Hi,
I am very interested in using pjsip in the project I'm working on.
The project needs to establish a direct p2p network connections between two
PCs. The project does not need any "Media" capabilities. It
just needs to form some sort of socket connection between two computers.
I know this is possible using the combination of pjsip and pjnath. I've
look through all the sample applications to figure out how this would be
possible, but I could find a simple application that establishes just a
socket(UDP,TCP) between two peers using SIP, STUN, TURN, and ICE.
(Once the connection is established I would use it to send raw
data between the two peers)
Is there a sample application that does this? If so, could some one
point me to it? If not, would it be possible for some one to put one
together?
Thanks,
-cb
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