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Ended call still rings on receiver devices
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complex1 Offline
3CX Adv. Cert. Engineer

Posts: 1,178
Joined: Jan 2014
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Post: #2
RE: Ended call still rings on receiver devices
(08-02-2021 05:06 AM)casi-online Wrote:  Hi everybody. im totally noob in ip-phones...

Im using T46s connected to a fritzbox 6591, gigabit cable Vodafone germany.
In my LAN are a pi-hole as DNS and a firewalla blue as security system. Both are more or less stealth, i dont think the Yealink does recognise them in any way....

When i call any number (mobile, or other landline telephone numbers), and i quit the not established call, before the called user answers, the other device keeps ringing. it doesnt end when i hang up my phone...
Same when i internal call my second handset (DECT connected phone). But not whe i use second handset to call the Yealink. So it is a problem FROM yealink TO all other devices.

Incoming calls are working fine.
I searched the internet, but all answers to this "keeps ringing problem" or setups are really different from my setup, afaik.

I use portforwarding, also the ports were opened via upnp already. 5060+5061
The SIP-Login is done by my fritzbox, so i only entered the telephoneuser in the T46s menu.

Thanks for any suggestions.



I think this is an issue of your PBX, in your case the FritzBox.
It sends no (or incorrect) SIP CANCEL request when terminating a call, while it is still ringing, before answer. (RFC 3261)

Hope this will help.

Kind regards,

I am not an employee of Yealink.
Dutch is my native language, not English. Apologies for my imperfect grammar.
Please do not send unsolicited PM messages. I will not answer them.
08-02-2021 06:16 PM
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RE: Ended call still rings on receiver devices - complex1 - 08-02-2021 06:16 PM

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