Hi Khalil

 

Thanks for the reply. Yup, I’ve switched out the phone with another 
new-from-box Yealink, also moved that network endpoint to another RJ45 port on 
the switch...

 

Regards,

From: Khalil Khamlichi [mailto:khamlichi.kha...@gmail.com] 
Sent: Sunday, 11 February 2018 16:48
To: viljo...@verishare.co.za; Asterisk Users Mailing List - Non-Commercial 
Discussion <asterisk-users@lists.digium.com>
Subject: Re: [asterisk-users] Call picked up from queue and transferred gets 
disconnected - about 0.01% of calls

 

maybe extension 3082 has some sort of network issue or maybe hardphone issue. 
test on another phone / network plug.

 

On Feb 9, 2018 2:48 PM, "Stefan Viljoen" <viljo...@verishare.co.za 
<mailto:viljo...@verishare.co.za> > wrote:

Hi Guys

 

I have an issue where a call is picked up from a queue. The caller asks the 
person who answered to attended transfer to extension 3082 (for argument’s 
sake.)

 

3082 picks up the attended transfer and speaks with the outside caller picked 
up initially from the queue.

 

A few seconds after 3082 has started speaking to the outside caller

 

- 3082’s call goes dead in their handset.

 

- The outside caller goes back into the queue, hears queue MOH and gets 
answered by another person in the office as if they are dialing in all over 
again.

 

- 3082’s phone starts ringing again after they hang up in puzzlement and if 
they then pick up they speak to another person who is trying to make an 
OUTGOING call in their call center.

 

This is for a medium sized call center which (along with 17 other centers in 
the same country) run the same dialplan on Asterisk 1.8.32.3 - only happens at 
this location.

 

Literally 100 000+ calls are handled across these 18 centers every day, only 
about 10 or 20 at this one center (with carbon-copy dialplan and SIP phone 
hardware types - Yealink T-21Ps - as at every other branch) keeps disconnecting 
people picked up and transferred from the incoming queue from the person 
transferred to, and then connects them and the transferree to other phones - 
the caller as if he is phoning in AGAIN into the incoming queue, the 
transferred-to person to someone else who is trying to dial out once the 
transferred-to person has hung up after losing the incoming caller.

 

Anybody ever encountered something similar? The same dialplan on the same Ast 
version runs fine in 17 other locations, some with ten or twenty times more 
traffic and none of these issues.

 

No errors or strangeness apparent in the CLI, verbose log, DTMF log...

 

Thanks!

 



 


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