GXP2124 is an enterprise class IP-phone, which is equipped with 240x120 graphic LCD display with a backlight, 4 line keys supporting up to 4 SIP accounts, four special programmable context-sensitive (in the language XML) buttons, 24 +4 programmable XML-speed dial buttons, dual network ports with integrated PoE, five-party conferencing and Electronic Hook-Switch (EHS).
The service that most owners look for is VoIP or voice over internet protocol. This service allows the user to make long distance calls using the standard internet connection