The GBX20 is an Extension Module that adds functionality, versatility and flexibility to the GRP2615 Carrier-Grade IP Phone and GXV3350 IP Video Phone.

GBX20 delivers additional functionality, versatility and flexibility to Grand-stream compatible phones (GRP2615, GRP2624 & GXV3350). The GBX20 module features a large 480x272 graphic color LCD or and 20 programmable buttons (each with dual color LED).

2025年1月2日 · The GBX20 is the ideal solution for offices that manage high call volumes or for an office receptionist. By using the GBX20, the telephone attendant can ensure maximum office productivity by efficiently monitoring and dispatching multiple incoming calls.

The GXB20 is an Extension Module that adds functionality, versatility and flexibility to Grandstream’s GRP2615, GRP2624, GRP2650 & GRP2670 Carrier-Grade IP Phone and GXV3350 & GXV3450 IP Video Phone. It features a 272x480 LCD display that ofers up to 40 contacts per module with support for up to 160 contacts by using 4 modules.

GBX20 – Quick Installation Guide OVERVIEW GBX20 delivers additional functionality, versatility, and flexibility to Grandstream-compatible phones. The GBX20 module features a large 480×272 graphic color...

The GBX20 is an Extension Module that adds functionality, versatility and flexibility to Grandstream's GRP2615 Carrier-Grade IP Phone and GXV3350 IP Video Phone. It features a 272x480 LCD display that offers up to 40 contacts per module with support for up to 160 contacts by using 4 modules.

Connect up to 4 GBX20 modules to compatible Grandstream phones for a total of 160 contacts/extensions. The GBX20 is a backlit LCD extension module supported by the GRP2615, GRP2624, GRP2650, GRP2670 carrier-grade IP phones as well as and GXV3350 and GXV3450 IP video phones.

The GBX20 is a backlit LCD extension module supported by the GXV3350 and GRP2615. The module includes 20 dual-colored extension keys and 2 arrow keys for page switching (allowing each GBX20 to support up to 40 contacts/extensions.).