[SIPForum-discussion] Sdp attribute for Call hold

[Paul Kyzivat]

See section 5.3 of RFC6337:
http://tools.ietf.org/html/rfc6337#section-5.3

It discusses this.

	Thanks,
	Paul

On 6/21/13 1:48 AM, tom170 at o2.pl wrote:
> Hi,
>
> If Leg A would send inactive the second side probably replies with
> inactive too - nobody would receive media.
> Music on hold could not work properly then.
> Incactive can happen when the call was placed on hold by one side and then
> second side put's the call on hold as well.
> In normal scenario sendonly should be sent and recvonly answered by the
> other side.
>
> Dnia 19-06-2013 o 16:04:44 <chandrasekhara.madduri at wipro.com> napisał(a):
>
>> Hi Ankur,
>>
>> a=inactive is used when the user wants neither to send data or receive
>> any data on its port. By a=sendonly, user means that "I would not like
>> to receive any media from you" and asking the other side to keep quite
>> but it can send media. This is the main difference between inactive and
>> sendonly.
>>
>> Thanks & regards,
>> Chandra Madduri
>> +91 98858 12968
>>
>> From: discussion-bounces at sipforum.org
>> [mailto:discussion-bounces at sipforum.org] On Behalf Of ankur bansal
>> Sent: Wednesday, June 19, 2013 11:26 AM
>> To: discussion at sipforum.org
>> Subject: [SIPForum-discussion] Sdp attribute for Call hold
>>
>> Hi All
>>
>> Can anyone explain why a=sendonly is sent in offer from side performing
>> HOLD ?
>> I think a=inactive should be right way of holding call .
>> Any specific scenario which explain when to use sendonly and when
>> inactive
>>
>> Thanks & regards
>> Ankur Bansal
>
>