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Disable "recall" transfers
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lukeescude Offline
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Posts: 19
Joined: May 2016
Reputation: 1
Post: #5
RE: Disable "recall" transfers
It's definitely happening due to direct transfers - our PBX (Asterisk, with our own cloud PBX software managing it) properly handles callbacks from call parking timeouts.

Apparently the phone is receiving a 503 Service Unavailable from the PBX in a NOTIFY event, which triggers this behavior.

Can we get an option to completely disable recall? Or simply ignore the 503 in response to a transfer?

This doesn't happen with any other phone manufacturer, which is weird.

SIP RFC 3515 s. 2.4.5:
A minimal, but complete, implementation can respond with a single
NOTIFY containing either the body: SIP/2.0 100 Trying
if the subscription is pending, the body: SIP/2.0 200 OK
if the reference was successful, the body: SIP/2.0 503 Service Unavailable
if the reference failed, or the body: SIP/2.0 603 Declined
if the REFER request was accepted before approval to follow the reference could be obtained and that approval was subsequently denied
(see Section 2.4.7).
(This post was last modified: 02-15-2017 09:35 PM by lukeescude.)
02-15-2017 09:34 PM
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Messages In This Thread
Disable "recall" transfers - lukeescude - 02-14-2017, 11:10 PM
RE: Disable "recall" transfers - jolouis - 02-15-2017, 04:45 PM
RE: Disable "recall" transfers - lukeescude - 02-15-2017 09:34 PM
RE: Disable "recall" transfers - Fraukas2 - 11-20-2019, 04:31 PM
RE: Disable "recall" transfers - BWIEBE - 11-26-2020, 12:43 AM

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