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Factory Reset via Provision
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Andrews1 Offline
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Post: #1
Factory Reset via Provision
Hi Team,

We sometimes come across situations where we want to factory reset a phone (i.e. re-provision for another user, force wipe if a unit has been resold etc). In some cases we can get and end user to perform the factory reset process, but in other cases we don't want to give out the phone user/pass or in the case its been resold, we don't know who the user is.

Is it possible to trigger a factory reset on a phone via provision using a SIP NOTIFY / event-string message like we can do with Auto Provision?
(This post was last modified: 01-09-2019 11:34 PM by Andrews1.)
01-09-2019 10:55 PM
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Evan_Yealink Offline
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Post: #2
RE: Factory Reset via Provision
Hi Andrew,

This is Evan from Yealink Support Team, nice to know you here, and sorry for the late reply.

Take an example for your reference:

NOTIFY sip:4002@172.28.8.248:5060 SIP/2.0
From: <sip:4002@172.28.8.248:5060>;tag=7fc8abc50660-7f0a1cac-13c4-65014-481-25dd916b-481
To: "Aeonix"<sip:4002@172.28.8.248:5060>
Call-ID: aa682478-a91f4d98
CSeq: 1 NOTIFY
Via: SIP/2.0/UDP 172.28.10.127:5060;rport;branch=z9hG4bK-481-11999c-72deb18-7fc8ac5b7190
Subscription-State: active
Event: action-uri
Max-Forwards: 70
Supported: timer,replaces,100rel
Contact: <sip:4002@172.28.8.248:5060>
Content-Type: application/action-uri
Content-Length: 9
key=Reset

Please create new tickets to us if you have any other questions.
Ticket system: https://ticket.yealink.com


Best Regards,
Evan You
05-11-2019 05:34 AM
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Robert74 Offline
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Post: #3
RE: Factory Reset via Provision
Go to Menu > Advanced > Reset & Reboot.
Select Reset to Factory.
Under Reset Option press Full Reset.
Click OK. The phone should now reset to factory default settings.
Go to Menu > Advanced once the phone resets.
Password: admin
Select Auto Provision. Enter the provisioning server address.
Press Save and click OK to confirm.
The phone will auto-restart after 20 seconds, or you can restart the phone manually at any time.
If the phone was previously Activated, it should come online. If not, move on to the next step and activate the phone.


tellthebell
(This post was last modified: 07-02-2019 07:32 AM by Robert74.)
06-29-2019 06:19 AM
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Fraukas2 Offline
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Post: #4
RE: Factory Reset via Provision
Hello,

Something easier to follow, but not from auto-provision.
I'm not sure if it's all phone models, but I guess it is a majority.

Ask the user to press the "OK" button for about 10 seconds while the phone is on standby (default screen, not in any menu or on a call).
Phone will ask confirmation to make the factory default, simply press "Yes".

That's it.
(This post was last modified: 07-02-2019 03:09 PM by Fraukas2.)
07-02-2019 03:09 PM
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