Subject: RE: [Sip] SIP-ISUP-03 draft SUS/RES INFO or RE-INVITE

From: "Roy, Radhika R, ALCTA" <[email-masked]>
Date: Wed, 31 Oct 2001 13:53:31 -0500

(A note: In general, INFO can ONLY be used where no call states need to be
changed (e.g., user-to-user information, states of some functional entities
[e.g., impact on SIP layer services due to radio link outages]) - RRR

-----Original Message-----
From: Bob Penfield [mailto:[email-masked]]
Sent: Wednesday, October 31, 2001 1:17 PM
To: Shafique, Hashim; [email-masked]
Subject: Re: [Sip] SIP-ISUP-03 draft SUS/RES INFO or RE-INVITE

INVITEs must be used to convey SDP to cause the media flow to be stopped and
restarted. INFO cannot be used because you're not allowed to change call
state with INFO.

(-:bob

Robert F. Penfield
Chief Software Architect
Acme Packet, Inc.
130 New Boston Street
Woburn, MA 01801
[email-masked]

----- Original Message -----
From: "Shafique, Hashim" <[email-masked]>
To: <[email-masked]>
Sent: Wednesday, October 31, 2001 11:47 AM
Subject: [Sip] SIP-ISUP-03 draft SUS/RES INFO or RE-INVITE

> In Section 8.1 of the SIP-ISUP-03 draft, the call flows for SUS and RES
show
> re-INVITEs.  Should not the INFO method be used to carry mid call ISUP
> messages. Is there any reason why RE-INVITEs are used instead of INFO?
> Thanks
> HashimS.
>
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_______________________________________________
Sip mailing list  http://www1.ietf.org/mailman/listinfo/sip
This list is for NEW development of the core SIP Protocol
Use [email-masked] for questions on current sip
Use [email-masked] for new developments on the application of sip