[SIPForum-discussion] Transactions in basic call hold scenario

[Rohan Almeida]

yes there will be 7 transactions is basic call hold scenario.
but actual number of transactions can vary depending on the system
architecture.
consider a scenario where in you have music on hold played from a media
server(MRF)


invite
ack
re-invite with c=0.0.0.0 (put call on hold)
ack
re-invite  (connect to music on hold)
ack
re-invite (take call off hold)
ack
bye

the number of transactions will vary in such scenarios.

regards,
Rohan Almeida
On Thu, Aug 11, 2011 at 4:59 AM, Gopalakrishnan A.N <saigop at gmail.com>wrote:

> Yes it is only 7 transactions according to RFC3261.
>
>
> On Wed, Aug 10, 2011 at 11:46 AM, mehmet <eng.mehmetozi at gmail.com> wrote:
>
>> Hi All,
>>
>> For the endpoint side, I think it does not matter what the proxy or server
>> is (statefull, stateless etc..) , UAC has 2 transactions one for is hold and
>> other is unhold.
>>
>> But could you please explain how 14 transactions occur in calling and hold
>> scenario?
>>
>> Regards.
>> Mehmet
>>
>>   2011/8/9 Amit Limaye <amitonvoip at yahoo.co.in>
>>
>>>    Hello Sony
>>>
>>> There are 14 transaction in call hold/unhold with a proxy involved
>>> between to ends points
>>> If just in case if you do not consider unhold the count is 7 transaction
>>>
>>> Regards
>>>  AL
>>>
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>>
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>
>
>  --
> Thank you  with regards,
> Gopalakrishnan A.N.
> VoIP call - sip:saigop at gtalk2voip.com
>
>
>
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