[SIPForum-discussion] No Speech patch after call is put on hold while calling to Cisco Agent

[Arunachala]

Is there any specific reason for sending an in-dialog OPTIONS, despite
already knowing the media capability of the peer in the inbound 183
with SDP?

-Arun

On Wed, Apr 28, 2010 at 6:29 PM,  <vijay.mishra at wipro.com> wrote:
> Hi,
>
> I have an issue with the Call Hold scenario.
>
> When Nortel Cs1k Call to Cisco Agent Hold Retrieve is not working.There is
> no Speech path after hold and Retriev.
>
> Sniffer Traces captured is shown below:
>
> Cs1k                                Cisco
>
> --------Invite------------------------------>
> <------100trying----------------------------
> <-------183 session progress SDP---
> -----------options------------------------>
> <---------200 Ok (SDP for Invite)-----
> ---------------Ack-------------------------->
> <----------Update---------------------------
> -------------200 Ok----------------------->
> ----------------Bye-------------------------->
> <--------------200 Ok-----------------------
>
> As per the diagram When Cs1k is pressing Hold button no Reinvite can be
> seen.There are two things which looks to be wromg wrong.
>
> i)When CS1k sends the option it does not get the reply with 200 Ok for this
> option.
>
> I would like to know if missing 200 Ok for option request could result in
> Re-Invite not being send after pressing  Hold key.
> I am attaching Sniffer Traces and Sip logs for better understanding.
> Thanks & Regards
> Vijay Mishra
>
>
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