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Yealink not answering to NOTIFY messages
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andomanju Offline
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Post: #1
Yealink not answering to NOTIFY messages
Hi,

I am having some issues when trying to configure BLFs at Yealink SIP-T28P 2.72.0.30 phone. Subscription process goes OK but Yealink doesn't answer to first NOTIFY message with the convenient 200 OK.

Instead of answering to this message, it sends another SUBSCRIBE message but it fails to respond to the subsequent NOTIFY message.

I attach an screenshot of the described issue (10.10.13.155-Yealink, 10.245.152.224-SIP Proxy).

Is anyone having this issue?

Thank you very much in advanced.


Attached File(s) Thumbnail(s)
   
03-31-2014 11:25 PM
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ModCraig Offline
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Post: #2
RE: Yealink not answering to NOTIFY messages
I can't help you with the issue - but what program are you using to trace the messages? I like the layout.
04-01-2014 12:30 AM
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andomanju Offline
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RE: Yealink not answering to NOTIFY messages
This is a software that has programmed a coworker, called sngrep https://github.com/irontec/sngrep
04-01-2014 02:52 PM
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Yealink Support Offline
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Post: #4
RE: Yealink not answering to NOTIFY messages
In order to do more troubleshootings, please supply me syslog level 6, config.bin and pcap.
How to Get the Correct Syslog, Config.bin and Trace
04-02-2014 09:49 PM
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andomanju Offline
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Post: #5
RE: Yealink not answering to NOTIFY messages
I attach requested files.

Thank you very much in advance.


.pcap  my_notify_capture.pcap (Size: 644 KB / Downloads: 5)

.bin  config_yealinkt28.bin (Size: 179.5 KB / Downloads: 3)

.pcap  yealink_wrong_notify.pcap (Size: 410.51 KB / Downloads: 3)

.tar  syslog.tar (Size: 317.5 KB / Downloads: 2)
(This post was last modified: 04-04-2014 12:02 AM by andomanju.)
04-03-2014 11:41 PM
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andomanju Offline
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Post: #6
RE: Yealink not answering to NOTIFY messages
¿Yealink Support ?
04-09-2014 06:23 PM
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Yealink Support Offline
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RE: Yealink not answering to NOTIFY messages
Thank you fro your files.
Can you test to encrease the T1 timer? Go to webpage->Account->Advanced, change SIP Session Timer T1 (0.5~10s) to 1~2 seconds.
Do you subscribe too many accounts in the phones? So phone can response too many NOTIFYs at the same time.
(This post was last modified: 04-18-2014 11:18 AM by Yealink Support.)
04-18-2014 10:11 AM
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