SBCs losing connection

[Robertos]

i have 2 SBCs and extensions hangin off these SBCs keep falling off the network and the phones that i have provisioned with these extensions keep showing up as "New" again without the extension assigned to them as per pic below. Happening on daily basis after a few hours.

Windows PCs running these SBC services are still working. Latest Debian 3CX

Ideas?

 

[LukeWillsIT]

Seen that happen when phone had incorrect firmware installed.
Accidentally put a G-firmware on a S-phone.
Login to the phone directly and manually install the correct firmware.

Try completely removing the extensions and running the firewall test,
then re-create them.

Pull up sleeves and tackle Wireshark =hj

Check the logs on your SBC, look for patterns and rule out issue with the SBC, that isnt powercycling itself or changing its IP address.

 

[eddv123]

FYI checking the logs on the SBC is as follows:

If you login to the SBC on the command line first check the 3CX SBC is up and running with: "service 3cxsbc status".

The logs can be set in the 3cxsbc.conf which can be found if you navigate to: C:\ProgramData\3CXSBC\3cxsbc.conf

Change the DEBUG to VERBOSE then run the below commands:

1) Edit file /etc/3cxsbc.config and uncomment the # File section.
2) Stop the 3cxsbc service (service 3cxsbc stop)
3) Stop the rsyslog service (service rsyslog stop)
4) Delete file ls -l /var/log/ (rm /var/log/3cxsbc.log)
5) Recreate /var/log/3cxsbc.log (touch /var/log/3cxsbc.log)
6) Start the rsyslog service (service rsyslog start)
7) Start the 3cxsbc service (service 3cxsbc start

You can tail -f the logs so that it saves to a txt file - your SD card should be fine to support this.

 

[Robertos]

Thanks i will check this logging out. the 3CX SBC doco is very lightweight but this stuff is good thanks @eddv123
Also @LukeWillsIT these 2 problem SBCs have static IPs and one of them has a phone with latest firmware but the other one is one ver behind. Both SBCs have static IP.
it is definitely an SBC side issue as I have setup another SBC on a Windows PC to same server etc and it is solid.
I think I need to look at these 2 SBC site internet connection performance also...

 

[Robertos]

Is SBC supported on Windows 8.1 ?

Could be common denominator as it works with win 10 and 7 sites

 

[YiannisH_3CX]

Please note that the 3CX supported operating systems can be found here: https://www.3cx.com/docs/manual/
In short Windows 8.1 is not a supported OS and neither is Windows 7.

 

[Robertos]

thanks for confirmation