The Grandstream GXP1615 is a reliable IP phone designed for professional communication in office environments. It supports two SIP lines and two call appearances, allowing you to manage multiple conversations efficiently, while the integrated 3-way voice conferencing makes it easy to coordinate group discussions. Its physical design features a monochromatic LCD screen with a resolution of 132x48 pixels for clear visibility of caller ID and time. To simplify navigation, the phone includes three XML programmable context-sensitive soft keys. The device is housed in a black chassis measuring 18.45 by 20.9 centimeters and weighing 0.74 kg, which allows it to sit comfortably on a desk or be mounted on a wall to save space. Connectivity is handled through dual-switched 10/100 Mbps Ethernet ports, and the integrated PoE support means you can power the device directly through the network cable if your infrastructure allows. For those who prefer hands-free operation, it offers EHS support for Plantronics headsets. You can store up to 1000 contacts in the internal phonebook and track your last 200 calls in the history log, making it a practical choice for users who handle a steady volume of daily business calls.