Re: [Sipping] I-D Action:draft-ietf-sipping-service-examples-15.txt

[Paul Kyzivat <[e-mail]>]

sounds good!

	Thanks,
	Paul

Alan Johnston wrote:
> I can fix in Author's 48 hours as this should be the last version before 
> protocol action.
> 
> Thanks,
> Alan
> 
> Paul Kyzivat wrote:
>> I agree with Andy here. A lot of people seem to think that you must 
>> use sendonly for hold - that inactive is inappropriate. But that is 
>> silly. Of course if you really want to you can negotiate sendonly and 
>> then not send anything. But IMO that shouldn't be held out as best 
>> practice. Doing so encourages people to build UAs that don't work when 
>> offered a=inactive.
>>
>>     Thanks,
>>     Paul
>>
>> Hutton, Andrew wrote:
>>>  
>>> This new draft still includes the following text in section 2.1 (Call
>>> Hold).
>>>
>>> "However, a UA that places the other party on hold will generally also
>>> stop sending media, resulting in no media exchange between the UAs.
>>> Older UAs may set the connection address to 0.0.0.0 when initiating
>>> hold.  However, this behavior has been deprecated in favor of using the
>>> a=sendonly SDP attribute."
>>>
>>> The problem with this statement it indicates that a UA that stops
>>> sending media when placing a call on hold should use the a=sendonly SDP
>>> attribute which is incorrect. If a UA does not wish to send or receive
>>> media then it should use the a=inactive attribute. A UA can use
>>> a=sendonly for call hold but not in the case when it stops sending
>>> media. I would really like to see the draft updated to fix this and
>>> state that a=inactive is the attribute to use when the UA stops sending
>>> media.
>>>
>>> Regards
>>> Andy
>>>
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: [e-mail] [mailto:[e-mail]] On
>>> Behalf Of [e-mail]
>>> Sent: 11 July 2008 19:30
>>> To: [e-mail]
>>> Cc: [e-mail]
>>> Subject: [Sipping] I-D Action:draft-ietf-sipping-service-examples-15.txt
>>>
>>> A New Internet-Draft is available from the on-line Internet-Drafts
>>> directories.
>>> This draft is a work item of the Session Initiation Proposal
>>> Investigation Working Group of the IETF.
>>>
>>>
>>>     Title           : Session Initiation Protocol Service Examples
>>>     Author(s)       : A. Johnston, et al.
>>>     Filename        : draft-ietf-sipping-service-examples-15.txt
>>>     Pages           : 167
>>>     Date            : 2008-07-11
>>>
>>> This document gives examples of Session Initiation Protocol (SIP)
>>> services.  This covers most features offered in so-called IP Centrex
>>> offerings from local exchange carriers and PBX (Private Branch
>>> Exchange) features.  Most of the services shown in this document are
>>> implemented in the SIP User Agents, although some require the
>>> assistance of a SIP Proxy.  Some require some extensions to SIP
>>> including the REFER, SUBSCRIBE, and NOTIFY methods and the Replaces
>>> and Join header fields.  These features are not intended to be an
>>> exhaustive set, but rather show implementations of common features
>>> likely to be implemented on SIP IP telephones in a business
>>> environment.
>>>
>>> A URL for this Internet-Draft is:
>>> http://www.ietf.org/internet-drafts/draft-ietf-sipping-service-examples-
>>> 15.txt
>>>
>>> Internet-Drafts are also available by anonymous FTP at:
>>> ftp://ftp.ietf.org/internet-drafts/
>>>
>>> Below is the data which will enable a MIME compliant mail reader
>>> implementation to automatically retrieve the ASCII version of the
>>> Internet-Draft.
>>> _______________________________________________
>>> Sipping mailing list  https://www.ietf.org/mailman/listinfo/sipping
>>> This list is for NEW development of the application of SIP
>>> Use [e-mail] for questions on current sip
>>> Use [e-mail] for new developments of core SIP
>>>
>> _______________________________________________
>> Sipping mailing list  https://www.ietf.org/mailman/listinfo/sipping
>> This list is for NEW development of the application of SIP
>> Use [e-mail] for questions on current sip
>> Use [e-mail] for new developments of core SIP
>>
>>
> 
> 
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