With 32 virtual BLF/speed-dial keys, up to eight lines/line keys and four SIP accounts, the GXP 2135 is the best IP Phone for workers with a lot on their plate. The GXP2135's built-in Bluetooth easily syncs with mobile phones and headsets with ease as you enjoy HD audio and a 2.8 inch LCD color display. The GXP2135 has 4-way conferencing capabilities and supports EHS compatible Plantronics's headsets. If used with Grandstream's UCM series IP PBX appliances, you can enjoy even more features such as Zero-Configuration provisioning, 1-touch call recording and more.
8 lines, 8 dual-color line keys (with 4 SIP accounts)