Yealink T54W - Incorrect time

[CTG2020]

Hello,

When provisioning the T54W with the default template the time is showing incorrect. On the 3CX MC I've set the Timezone to "0 United Kingdom(London) but the phone shows 8 hours ahead of that time.

Details of the 3CX/Phone(s) below:

• 3CX Version: 16.0.493
• Server OS: Debian 9
• Is the 3CX Server Hosted and where? Hosted on a VPS in the cloud
• IP Phone Make/Model/Firmware: Yealink T54W Firmware: 96.84.0.35 (latest)
• Provisioning Method: Local / VPN / STUN / SBC: SBC
• Are custom Phone Templates being used: No

Please also find attached Pcap showing NTP connectivity (Internal IPs removed):

If you could please assist, thanks!

 

[AWS2P]

is UDP port 123 open on your firewall?
Is your gateway set with right IP settings?

in phone GUI do you have something similar (i'm in France so +1 for winter time)

 

[Saqqara]

Do you have any ntp option settings on DHCP server ?

 

[CTG2020]

is UDP port 123 open on your firewall?
Is your gateway set with right IP settings?

in phone GUI do you have something similar (i'm in France so +1 for winter time)
View attachment 14850

UDP Port 123 is open on the firewall.

I believe the gateway is set as the phone can make and receive calls.

Please see below date and time section of the phone:

 

[CTG2020]

Do you have any ntp option settings on DHCP server ?

NTP is set by the defaults set the the template file, in this case the pool.ntp.org is set, not DHCP.

 

[Saqqara]

The gateway is not used for making and receiving calls - this is via 3CX server.

The gateway should be your internet router.

I would double check your firewall, and verify udp port 123 is allowed out and not restricted to certain IP addresses.

I would say this is a network issue, as the settings are correct in the phone gui.

 

[CTG2020]

Just tested this with a Yealink T40G and it provisioned straightaway with the right time.

 

[complex1]

Please check the DNS settings of the phone.
e.g. Prim DNS: 8.8.8.8 - Sec DNS: 1.1.1.1

 

[CTG2020]

Please check the DNS settings of the phone.
e.g. Prim DNS: 8.8.8.8 - Sec DNS: 1.1.1.1

DNS is set to:

Primary: 8.8.8.8
Secondary: 8.8.4.4

 

[AWS2P]

did you already try a factory reset of the phone and reprovisioning from scratch ?

 

[CTG2020]

did you already try a factory reset of the phone and reprovisioning from scratch ?

Yes, reset > provisioned with both STUN and SBC, same result.

 

[AWS2P]

Do you have another phone same model to try with ?

 

[AWS2P]

Can you try a previous firmware release for this phone to see if it fix

 

[CTG2020]

Do you have another phone same model to try with ?

Same issue on the same handset with the same firmware.

 

[CTG2020]

Can you try a previous firmware release for this phone to see if it fix

Struggling to find older firmware, anyone got a link to previous firmware downloads? I'm unable to find the links on Yealink's site.

 

[Saqqara]

http://support.yealink.com/search?q=t54w&scope=FRN&sortBy=score&period=0&pageNum=1

Latest version is T54W-96.84.0.120

If you upgrade to this release - 3CX will say it is not supported , just ignore it

 

[CTG2020]

http://support.yealink.com/search?q=t54w&scope=FRN&sortBy=score&period=0&pageNum=1

Latest version is T54W-96.84.0.120

If you upgrade to this release - 3CX will say it is not supported , just ignore it

Upgrading to that firmware has worked! Thank you very much!

Strangely enough going to the firmware page directly doesn't list this:
http://support.yealink.com/documentFront/forwardToDocumentDetailPage?documentId=274

 

[AWS2P]

Glad to see I point you in right direction and Saqqara too