Grandstream Networks GRP2604P - DIAGNOSIS & SUPPORT; Factory Functions

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GRP260x User Guide
Version 1.0.1.41
DIAGNOSIS
Users could access factory functions menu to diagnosis the phone’s hardware/software. To do so please
access to LCD menu under Factory Functions.
Figure 19: Factory Functions
These tools can be used to check the hardware and software status of the phone like verifying the LED,
keypad buttons, Microphone/speaker functionality and certificates verification …etc.