On 02/22/2012 07:01 AM, virendra bhati wrote:
Hi Kevin,
I appreciate, that you replyed first and even fast. But you asked for
nature of call too. So my question was added with your question .
Voice call *How many port of UDP or RTP ?*
Video call *How many port of UDP or RTP ?*
Fax call *How many port of UDP or RTP ?*
T.140 text call* How many port of UDP or RTP ?*
As per the reply Voice call is come to 4 ports but rest is not clear.
Voice call *4*
Video call *??*
Fax call *??*
T.140 text call* ??*
*Will these port of UDP, RPT or Both ?*
It is clear that you are lacking some basic understanding of how SIP and
RTP operate; I would suggest that you take Phil Frost's advice and use
Wireshark to watch what actually happens when you place calls on your
system.
Just some points: UDP and RTP are not exclusive; RTP operates over UDP.
Voice calls do not require 4 UDP ports (in most cases). FAX calls rarely
use RTP.
--
Kevin P. Fleming
Digium, Inc. | Director of Software Technologies
Jabber: kflem...@digium.com | SIP: kpflem...@digium.com | Skype: kpfleming
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at www.digium.com & www.asterisk.org
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