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T58 Handset dead / after update no service
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complex1 Offline
3CX Adv. Cert. Engineer

Posts: 1,533
Joined: Jan 2014
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Post: #2
RE: T58 Handset dead / after update no service
(01-23-2024 09:05 PM)dmaack Wrote:  Hello Smile

i use a tw 58 phone and the handset stopped working.
after contacting yelling support i upgraded the firmware and now the BT handset works again.
unfortunately the phone tells me now "no service".
i did not make any changes.

after looking up the call list i discovered the following:

all working calls were like this


155= numbr of the phone = IP of phone router

now when i try to call someone it says

ip phone@ which is localhost?

also after update it automatically changed the screen pin lock to 123 for some reason

can someone point me in the right direction to fix this.

appreciate your help and tips

kind regards


A rule of thumb is that after a firmware update the phone should be reset to factory settings to remove previous and old settings.

I therefore suggest resetting the phone, re-provisioning it and test again.

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.
(This post was last modified: 01-24-2024 12:08 AM by complex1.)
01-24-2024 12:04 AM
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RE: T58 Handset dead / after update no service - complex1 - 01-24-2024 12:04 AM

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