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Cannot make any outbound calls and if on the phone the call drops, all the BLF keys goes gray

T48S with 66.81.0.110
Hardware Version 65.0.0.0.0.0.0

attached is the syslog 6 file
(08-10-2017 07:11 PM)c99hris Wrote: [ -> ]Cannot make any outbound calls and if on the phone the call drops, all the BLF keys goes gray

T48S with 66.81.0.110
Hardware Version 65.0.0.0.0.0.0

attached is the syslog 6 file

Hi,

please check if the account has well registered.
Suggest you test with IP direct call, FAQ as below:
http://support.yealink.com/faq/faqInfo?id=223

If the issue still exist, please kindly provide all THREE trace files to me:
a. Level 6 syslog
b. PCAP trace
c. Config.bin
You can get the guide from this link to see how to export the issue data(trace files):
http://support.yealink.com/faq/faqInfo?id=311

Regards,
Travis
(08-11-2017 09:54 AM)Travis Wrote: [ -> ]
(08-10-2017 07:11 PM)c99hris Wrote: [ -> ]Cannot make any outbound calls and if on the phone the call drops, all the BLF keys goes gray

T48S with 66.81.0.110
Hardware Version 65.0.0.0.0.0.0

attached is the syslog 6 file

Hi,

please check if the account has well registered.
Suggest you test with IP direct call, FAQ as below:
http://support.yealink.com/faq/faqInfo?id=223

If the issue still exist, please kindly provide all THREE trace files to me:
a. Level 6 syslog
b. PCAP trace
c. Config.bin
You can get the guide from this link to see how to export the issue data(trace files):
http://support.yealink.com/faq/faqInfo?id=311

Regards,
Travis

Here are the files you requested
My phone grays out, says no service and the connection drops
[attachment=4563][attachment=4564][attachment=4565]
Please look at the attached requested files
(08-28-2017 02:56 PM)c99hris Wrote: [ -> ]Please look at the attached requested files

Hi Chris,

Sorrry for delay.
I double checked our internal database, and I found a similar case.

Please upgrade the firmware to below one and test again:
http://ftp.yealink.com/?ShareToken=3C132...FB66D50DE0

Let me know if any update.

Best Regards,
Travis
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