Dear Lee,
In error case scenario where the UA sending the REFER does not
receive NOTIFY with
terminated state,UA should terminate the REFER subscription by sending
SUBSCRIBE
with expires zero.
Regards,
Sunil
Date: Tue, 5 Oct 2010 13:52:41 +0530
From: "Verma Sunil" <[email protected]>
Subject: Re: [Sip-implementors] Question About terminating REFER
Subscription
To: <[email protected]>,
<[email protected]>
Message-ID:
<5a62f8e618dd3942958935eb6d1e85921c9...@sonusinmail02.sonusnet.com>
Content-Type: text/plain; charset="us-ascii"
Hi,
The first Notify due to implicit subscription will contain the expire
time value for this subscription. If Subscription refresh request for is
not sent before that Subscription will be considered terminated.
Regards
Sunil Verma
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of
SungWoo Lee
Sent: Tuesday, October 05, 2010 1:12 PM
To: [email protected]
Subject: [Sip-implementors] Question About terminating REFER
Subscription
Dear all,
Could any body let me know when REFER subscription should be terminated
at REFER sender UA?
When transfering, a SIP UA sends REFER request and an implicit
subscription is created at the SIP UA. My question is whehter it has to
receive NOTIFY request which explicitly specify the subscription-state
as 'terminated' in order to terminate the subscription.
What do you think?
Lee, Sungwoo
Mobile: 82-10-3015-4329
Telecommunication System Div.
Samsung Electronics Co., LTD.
IMPOSSIBLE itself says I M POSSIBLE
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