GAC2500
An ideal conference solution that delivers a modern design paired with HD audio and a suite of productivity-focused features. The Android-based GAC2500 offers access to features and functionality not traditionally found in conference phones.
GBX20
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.). Connect up to 4 GBX20 modules to compatible Grandstream phones for a total of 160 contacts/extensions.