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T46G Randomly hangs up calls
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visionvoicedata Offline
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Post: #1
Sad T46G Randomly hangs up calls
Hey Everyone,

We are having continual issue with a set of yealink T46G phone that were purchased within the last 3 months.

We have installed these phones on an asterisk hosted platform and the phones are randomly dropping call and audio.

I have attached a packet capture and syslog of extension 204 making a outbound call. Once the call was connected about 20 seconds later it dropped.

Phones are setup on a vlan network with a Voip QOS router. We have a Cisco phone provisioned on the same network and it is having none of these issues.

Please advise.

Kyle


Attached File(s)
.tar  syslog(1).tar (Size: 878.5 KB / Downloads: 2)
.bin  config(7).bin (Size: 279.5 KB / Downloads: 0)
.pcap  28.71.0.180_15_51_6.pcap (Size: 504.26 KB / Downloads: 1)

We do business phones…
06-05-2014 11:07 PM
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nicknomo Offline
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Post: #2
RE: T46G Randomly hangs up calls
I see in there a SIP 481, call leg transaction does not exist. 192.168.11.1 seems to be saying it doesn't think there is an ongoing call. It also seems that only 192.168.11.104 was sending RTP packets.

The packet capture from the web GUI doesn't last very long (15 secs?), so its possible that the call was essentially over by the time you ended the packet capture...

Yealink support posted a way around that, but you'd need to daisy chain the phone and a computer:

http://forum.yealink.com/forum/showthrea...40#pid7740
06-06-2014 03:35 AM
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visionvoicedata Offline
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RE: T46G Randomly hangs up calls
(06-06-2014 03:35 AM)nicknomo Wrote:  I see in there a SIP 481, call leg transaction does not exist. 192.168.11.1 seems to be saying it doesn't think there is an ongoing call. It also seems that only 192.168.11.104 was sending RTP packets.

The packet capture from the web GUI doesn't last very long (15 secs?), so its possible that the call was essentially over by the time you ended the packet capture...

Yealink support posted a way around that, but you'd need to daisy chain the phone and a computer:

http://forum.yealink.com/forum/showthrea...40#pid7740

That's exactly what happened. I started the capture and when the call was dialed the call timer never started on the phone but it rang and was answered then the audio stopped. So we hung up.

I will try to get a new capture as well.

We do business phones…
06-06-2014 03:44 AM
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Yealink Support Offline
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Post: #4
RE: T46G Randomly hangs up calls
Hi visionvoicedata,

I hope you can upgrade your T46G to 28.72.0.25 firstly and test again.
If the issue is still on, then supply the files again to support.usa@yealink.com. Thanks.
06-06-2014 09:35 AM
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visionvoicedata Offline
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RE: T46G Randomly hangs up calls
(06-06-2014 09:35 AM)Yealink Support Wrote:  Hi visionvoicedata,

I hope you can upgrade your T46G to 28.72.0.25 firstly and test again.
If the issue is still on, then supply the files again to support.usa@yealink.com. Thanks.

I have upgraded the firmware. We are still having calls drop audio after calling out. Please see the attached packet capture.


Attached File(s)
.pcap  28.72.0.25_18_43_48.pcap (Size: 389.01 KB / Downloads: 3)

We do business phones…
06-07-2014 03:54 AM
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Yealink Support Offline
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Post: #6
RE: T46G Randomly hangs up calls
Hi visionvoicedata ,

Please send to support.usa@yealink.com. Thanks.
06-09-2014 09:08 AM
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