On 02/22/2012 06:26 AM, virendra bhati wrote:
Does anyone know the correct information of my question. All are move
round and round .

What does that mean? I answered your question with the correct and complete information.


On Tue, Feb 21, 2012 at 7:28 PM, Kevin P. Fleming <[email protected]
<mailto:[email protected]>> wrote:

    On 02/21/2012 07:51 AM, Alex Balashov wrote:

        As many ports as required by the nature of the call, i.e. the
        protocol(s) used for the bearer.


    For an IAX2 call, the answer is 'zero' for all of those call types
    (at least the ones that are supported in IAX2, not all of them are).

    For protocols that use RTP for media transport, two ports are
    required for each media stream (one for RTP, one for RTCP).

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