I believe both are errors and need to be corrected. Alan is cc'd as he 
is the editor.

-Jonathan R.

Eileen Wei wrote:

> �
> Nicolas Dramais wrote:
> 
> 
>>Hello Eileen,
>>�
>>
>>Eileen Wei wrote:
>>
>>
>>>Hi,
>>>
>>>I found some noncompliance between
>>>draft-rosenberg-mmusic-sdp-offer-answer-00.txt (refered to as
>>>"offer-answer") and draft-ietf-sip-service-examples-03.txt (refered
>>>to
>>>as "examples"), can someone help to explain?
>>>
>>>1. In� "offer-answer" section 3.1, it is stated that "If a stream is
>>>offered as sendonly, the corresponding stream MUST be marked as
>>>recvonly
>>>in the answer."
>>>
>>>An example of noncompliance can be found in "examples" section 2.1,
>>>F10
>>>& F12.
>>>
>>>
>>I agree with you. There exists a conflict there. The corresponding
>>stream in the answer should be marked as recvonly.
>>
>>
>>>2. In "offer-answer" section 4, it is stated that "When issuing an
>>>offer
>>>that modifies the session, the o line of the new SDP MUST be
>>>identical
>>>to that in the previous SDP, except that the version in the origin
>>>field
>>>MUST increment from the previous SDP."
>>>
>>>An example of noncompliance can be found in "examples" section 2.1,
>>>F6 &
>>>F10.
>>>
>>>
>>However, here, I don't agree.
>>See F6: first SDP issued by B :
>>
>>o=UserB 2890844527 2890844527 IN IP4 client.there.com
>>
>>
>>See F10: second SDP issued by B :
>>
>>o=UserB 2890844528 2890844528 IN IP4 client.there.com
>>
>>The version number is incremented by one. Thus, according to me, it is
>>correct.
>>
> 
> [Eileen:] But here the session id is incremented by one too, so it is
> still not the case as described in the "offer-answer" that "the o line
> of the new SDP MUST be IDENTICAL to that in the previous SDP, EXCEPT
> that the version in the origin field MUST increment from the previous
> SDP".
> 
> _______________________________________________
> Sip-implementors mailing list
> [EMAIL PROTECTED]
> http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
> 
> 


-- 
Jonathan D. Rosenberg, Ph.D.            72 Eagle Rock Avenue
Chief Scientist                         First Floor
dynamicsoft                             East Hanover, NJ 07936
[EMAIL PROTECTED]                 FAX: (973) 952-5050
http://www.jdrosen.net                  PH:  (973) 952-5000
http://www.dynamicsoft.com

_______________________________________________
Sip-implementors mailing list
[EMAIL PROTECTED]
http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors

Reply via email to