Grandstream GBX20 Extension Module Call Manager Phones These features empower users to

These features empower users to seamlessly transition from analog technology to VoIP

Please note that the power supply is not included and must be purchased separately

you can serve more clients simultaneously

the remaining USB port on the back of the EXP50 can be utilized for extended phone functions

Power over Ethernet support for convenient installation

Grandstream GBX20 Extension Module Call Manager Phones These features empower users toThe Grandstream GBX20 Extension Module enhances the capabilities of Grandstream's GRP2615 and GRP2624 Carrier Grade IP Phones, as well as the GXV3350 IP Video Phone. It comes equipped with a 4. 3 inch 272x480 TFT color LCD display and offers support for up to 40 programmable buttons per module, which can be expanded to 160 contacts with the use of four daisy chained modules. This extension module extends its functionality by providing advanced call