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Knowledge Base > Zycoo IPPBX

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GSM Module for CooVox U50 and U100 not illuminating on front Panel
Please beware that there is a change in firmware version 1.0.5 of the CooVox series which means that the red lights on the front panel relating to GSM functionality will only illuminate if a SIM card
How to access a Zycoo ZX Series IPPBX when you don’t know its IP Address
The default IP Address for the ZX Series IPPBX is If you can’t access the device by this address and the sys light is on then please try one of the following scenarios. 1…If t
How to add custom sound files to Zycoo CooVox system
If you wish to replace the standard Zycoo soun files with customised ones then you can do this by following the process below. Step 1: You will need to have several applications that will assist you i
How to factory reset a CooVox series IPPBX when you have no access to the Web GUI
At the same time as plugging in the power cord, press RST button on the back of the CooVox until SYS led goes off. This will be reset the unit to factory default. This method resets the whole system
How to perform a full system restore on Zycoo CooVox IPPBX
In addition to performing a factory default reset, it is also possible to do full system restore which is a full rebuild of the CooVox system. It take around 10 minutes for the process below to comple
How to Resolve Issues with CooVox IPPBX PSTN and UK CallerID
As of firmware version 1.0.5 there remains an issue with UK Callerid not functioning on Analogue PSTN lines. As an interim solution, Zycoo has issued callerid convertor units that sit in line with the
Upgrade Process for Zycoo Coovox version 1.0.5 firmware
The process for upgrading Zycoo CooVox devices to version 1.0.5 firmware is detailed below The update has two files and both must be updated using TFTP (we use the free tftpbood.exe) Also use firefox
What are the Default Passwords for ZX Series IPPBX’s
The default passwords for ZX Series IPPBX are: GUI Username – admin Password – admin SSH Username – root Password – myippbx
What is the root SSH password on Zycoo CooVox IPPBX
The default username for SSH access to CooVox U Series devices is root. The password is the last eight characters (all numbers and letters and no colons) of the mac address. Letters should be in upper