The IP GXP1610 / 15 offers a user-friendly and intuitive communication experience for users who only need essential VoIP access. Integrated with 1 line, 2 call appearances, and a 132x48 LCD screen, the GXP1610 / 15 is equipped for reliable phone access. The phone also offers 3 programmable XML keys and dual 10/100 mbps ports (with PoE on the GXP1615) for a flexible user experience. As with all Grandstream IP phones, the GXP1610 / 1615 features advanced security encryption technology (SRTP and TLS). The GXP1610 / 1615 supports a variety of automated provisioning options, including zero-configuration with Grandstream's UCM series IP PBXs, encrypted XML files, and TR-069, to facilitate mass deployment.