Grandstream GBX20 Expansion Module Snom IP Phones Secure & Reliable: Features dual

Secure & Reliable: Features dual firmware images and supports Transport Layer Security (TLS 1

please refer to the product datasheet

Yealink SIP-T44U IP Phone Unit

The UCM6300 Audio Series supports up to 1500 users and includes a built-in instant messaging (IM)

you are guaranteed not to miss any call

Grandstream GBX20 Expansion Module Snom IP Phones Secure & Reliable: Features dualThe 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 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. Features: 4. 3 inch (272480)