[YMCS/YDMP Free Trial Program]Yealink would like to offer Free Trial Program of Yealink device management service for our current eligible customers. You can see the details below.

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DialNow delay
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Aishion_Yealink Offline

Posts: 116
Joined: Mar 2017
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Post: #4
RE: DialNow delay
(12-27-2017 10:12 AM)IPBX Wrote:  Hi Aishion,

I test and confirm, with last firmware param is now saved.

Good job! It remains for me to bulk update devices.

Does check-sync authorize firmware update ?
How ask device update firmware (i upload new rom on provisioning server, if url http://xxx/y00000000x.xml return the files, would device update ?)



Hi Sam,

IP phone will perform the auto provisioning process when receiving a SIP NOTIFY message which contains the header "Event: check-sync".

Whether the IP phone reboots or not depends on the value of the parameter "sip.notify_reboot_enable".

If the value is set to 1, or the value is set to 0 and the header of the SIP NOTIFY message contains an additional string "reboot=true", the IP phone will reboot immediately.

And usually we will use below auto provision parameter to configures the access URL of the firmware file:

static.firmware.url =

I think you are using server side template file for auto provision, if so, please kindly ask them for help.

For more information about auto provision, please kindly refer to below guide:


If any question, please feel free to contact us.

Best Regards
12-28-2017 06:41 AM
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Messages In This Thread
DialNow delay - IPBX - 12-22-2017, 02:43 PM
RE: DialNow delay - Aishion_Yealink - 12-27-2017, 04:37 AM
RE: DialNow delay - IPBX - 12-27-2017, 10:12 AM
RE: DialNow delay - Aishion_Yealink - 12-28-2017 06:41 AM

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