Re: [Sip] [Sip-implementors] 200 OK response for hold withdifferent media capabilities

[Vikram Chhibber <vikram.chhibber at gmail.com>]

On Mon, Aug 24, 2009 at 6:44 PM, Avasarala
Ranjit-A20990<ranjit at motorola.com> wrote:
> Hi Vikram
>
> Gateway can respond with media capabilities to a offer less INVITE if it is acting as a 3PCC, not otherwise.
>
This is exactly what I wrote in my mail.
I would again emphasize Paul’s comment. “Hold” is application’s
interpretation of some values in SDP such as offer with a =
sendonly/inactive. There is no such SDP called as hold SDP.
Furthermore,  this offer should be processed as a normal offer as
there could be a change in IP/port, codecs or codecs attributes.
>
> Regards
> Ranjit
>
> -----Original Message-----
> From: sip-implementors-bounces at lists.cs.columbia.edu [mailto:sip-implementors-bounces at lists.cs.columbia.edu] On Behalf Of Vikram Chhibber
> Sent: Monday, August 24, 2009 11:35 PM
> To: sunil.bhagat at wipro.com
> Cc: sip at ietf.org; sip at core3.amsl.com; sip-implementors at lists.cs.columbia.edu
> Subject: Re: [Sip-implementors] [Sip] 200 OK response for hold withdifferent media capabilities
>
> The gateway can respond with different media capabilities in 200 OK response for offer-less INVITE not for offer that we view as for hold.
> The gateway should create response as per rules defined in RFC 3264.
> As far as SIP signalling is concerned, hold INVITE request is treated as a regular re-INVITE request.
>
> On Mon, Aug 24, 2009 at 2:55 AM, <sunil.bhagat at wipro.com> wrote:
>> Hi All,
>>
>>
>>
>> I have a small query related to HOLD request being sent out.
>>
>>
>>
>> For a hold request, can gateway respond with different media
>> capabilities in 200 OK response?
>>
>>
>>
>> Is the HOLD treated as any normal Re-INVITE?
>>
>>
>>
>> Regards,
>>
>> Sunil.
>>
>>
>>
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