Grandstream GBX20 IP Phone Expansion Module GBX20-EXT Parrot_Magnetic Chalkboards flexible deployment and power management

flexible deployment and power management in one easy to install package for virtual and physical servers

These are thicker than current industry standard 18AWG cables

With a promising cooling ability

up to 6 ipm (200 ppi

Grandstream GBX20 IP Phone Expansion Module GBX20-EXT Parrot_Magnetic Chalkboards flexible deployment and power managementGrandstream GBX20 IP Phone Expansion Module The GBX20 is a backlit LCD extension module supported by the GXV3350, GRP2615 and GRP2624. 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. The GBX20 is an Extension Module that adds functionality,