Table top IP phone set for managers. Targets to meet all of your communication needs. The 480 × 272-pixel-size color screen in the 480 × 272 pixel resolution makes it easy to use. The GXP 2140, which offers HD sound quality, the Grandstream IP phone has 4 SIP accounts, 4 Hat Key, 2000 Contacts Person and 500 Pcs Call Registration features. Thanks to PoE support, it does not need to supply electricity. With the GXP2200EXT module to be purchased, a total of 40 pcs quick search keypad can be added on 2 pages with the GXP2200ext module.