Hello Scott,
First, I want to thank you for your good help.
I need to handle all the failure situations of voip calls. Sometimes, the
source of failure are the ISP and the government theirselves who inspects
traffic with powerful firewalls and sometimes the problem comes from the
client who does
Thank you.
Good tip.
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Problem is that the port 80 you are talking about is a TCP port. Voip
(iax and rtp) use UDP
Yes true. HTTP uses 80 TCP port.
I mentioned port 80 as example (even if it can be used for SIP signaling:
SIP supports also TCP). For RTP, UDP must be used. We can use another well
known UDP port.
From a technical point UDP and TCP ports are separate, a server
listening for TCP requests on port 80 wont see any UDP traffic on that
port unless it explicitly opens a UDP socket. Tunneling in on UDP port
80 might be possible if the routing rules that are in place dont
specify to allow only TCP
Hello Scott,
Thank you for your kind support.
All your ideas are helpful.
I will check the OpenVPN solution first. then, I will see if Skype and IAX
may help.
Best Regards.
Abdelkader Mosbah.
♫ *Please discover scientific miracles of CORAN:*
http://www.55a.net/
On Sun, Feb 14, 2010 at 2:57
My idea is to use a well know port like port 80 (that is not blocked).
Skype for example uses this port.
If you are in a situation where the ISP/government is blocking VoIP you
are probably going to have to encrypt it to get it through, and that may
not even work. I have a client who has
Hello,
I have the following situation: A firewall is blocking all SIP and RTP
traffic in the side of some of my clients. My clients cannot change settings
of the firewall.
I need to solve this problem and I need some help from you.
I have this idea: implement a SIP user agent which does
Hello,
I have the following situation: A firewall is blocking all SIP and RTP
traffic in the side of some of my clients. My clients cannot change settings
of the firewall.
I need to solve this problem and I need some help from you.
I have this idea: implement a SIP user agent which does
Of mosbah.abdelkader
Sent: Thursday, February 11, 2010 8:37 AM
To: asterisk-users@lists.digium.com
Subject: [asterisk-users] SIP tunnel
Hello,
I have the following situation: A firewall is blocking all SIP and RTP traffic
in the side of some of my clients. My clients cannot change settings
See at:
1) openvpn / ipsec tunnels
2) IAX protocol
Firewall defines the report not on ports, and traffic contents. Change
of ports will not help
hope it helps..
On Thu, 2010-02-11 at 14:37 +0100, mosbah.abdelkader wrote:
Hello,
I have the following situation: A firewall is blocking
On Thu, Feb 11, 2010 at 6:37 AM, mosbah.abdelkader
mosbah.abdelka...@gmail.com wrote:
Hello,
I have the following situation: A firewall is blocking all SIP and RTP
traffic in the side of some of my clients. My clients cannot change settings
of the firewall.
I need to solve this problem and
Thank you Jamie for your good reply.
It is a very good idea to hava the media and control transported over the
same port with IAX protocol.
The difficulty is in that the port is not well known by the network admins.
It is usually blocked.
My idea is to use a well know port like port 80 (that
Problem is that the port 80 you are talking about is a TCP port. Voip
(iax and rtp) use UDP
On 2/11/10, mosbah.abdelkader mosbah.abdelka...@gmail.com wrote:
Thank you Jamie for your good reply.
It is a very good idea to hava the media and control transported over the
same port with IAX
From a technical point UDP and TCP ports are separate, a server
listening for TCP requests on port 80 wont see any UDP traffic on that
port unless it explicitly opens a UDP socket. Tunneling in on UDP port
80 might be possible if the routing rules that are in place dont
specify to allow only TCP
Dears
my Internet Provider , prevents , sip connections,
between sip client(sip phone) and sip server,
(asterisk + ser) .
both of client and server are mine.
is there any solution for tunneling the sip packets?
best
Mani
try changing bindport of asterisk from 5060 to something else .
On 09/03/07, Pezhman Lali [EMAIL PROTECTED] wrote:
Dears
my Internet Provider , prevents , sip connections,
between sip client(sip phone) and sip server,
(asterisk + ser) .
both of client and server are mine.
is there any
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