Mid-level table top IP phone. Targets to meet all of your basic communication needs. In the 200 × 80 pixel resolution, the 4 lines and backlit screen facilitate use. The GXP 1780, which offers HD sound quality, GrandStream IP Phone 4 pcs SIP accounts feature features on 8 Hatypes, 2000 Contacts Person and 500The Call Registration. 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.