Table top IP phone set for managers. Targets to meet all of your communication needs. The size of the 2.8 in the 320 × 240 pixel resolution makes it easy to use. The GXP 2135, which offers HD sound quality, GrandStream IP Phone 4 SIP calculations, 8 Hatypes, 2000 Contacts Person and 500 Pcs Call Registration features features. Thanks to PoE support, it does not need to supply electricity. With the speed dial keys with 32 digital preoccupation panels, you can check the appropriate person’s availability status, and press a single key quickly by pressing a single key.