Ramy,
It would be very uncommon for a UA to send on a fixed RTP port. Normally the end points would negotiate which RTP ports as a part of the Offer / Answer model. A UA will advertise it's listening port which would normally be randomly selected from the valid RTP port range - after successful negotiation it would then send to the listening port as advertised by the other UA. This behaviour is key to how SIP and the Offer / Answer model works.
The only example I can think of a UA potentially sending on a fixed RTP port would be for a multicast server for Music on Hold etc, but this example is an exception to the norm.
Hope this helps.
Regards,
Wayne Davies
System Support Engineer - Broadsoft
Office: +61 3 96260468
Mobile: 0417282909
email: [EMAIL PROTECTED]
| Ramy Sam <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED] 26/03/2004 03:10 PM
|
To: [EMAIL PROTECTED] cc: Subject: [Sip-implementors] RTP media Port |
Hi,
I Would like to know, is it good to have a fixed RTP port for sending the Voip SIP rtp packets or randomly pick any open rt port.
Thanks in advance....
Ramy.....
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