Thanks George.

But my concern is what is the benifit if server use Ephemeral port instead
of 5060 for outgoing port ?
Could you please explain bit more on this ?

Thanks,
Anjan

On Tue, Jan 22, 2019 at 8:19 PM George Vagenas <gvage...@gmail.com> wrote:

> Anjan,
>
> The use of the ephimeral port is not SIP specific but because of the
> TCP/IP stack.
> And even though the outgoing messages will be sent over an ephemeral port,
> the message is prepared using the standard ports the SIP stack is listening
> so subsequent requests and responses are able to reach back.
>
> Regards
> George
>
> On Tue, Jan 22, 2019 at 4:25 PM Anjan Naik <anjankumarn...@gmail.com>
> wrote:
>
>> HI,
>>
>> By default SIP uses port 5060 for incoming and outgoing messages. But In
>> some cases, I have seen, the incoming port used by server is 5060 but when
>> it sends outgoing packet, it uses Ephimeral port.
>>
>> Could someone please explain me , why this Ephimeral ports being used ?
>> and
>> what is it benifits.?
>>
>> Thanks,
>> Anjan
>> _______________________________________________
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>> Sip-implementors@lists.cs.columbia.edu
>> https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
>>
>
>
> --
> George Vagenas
>
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