The invention provides a device of an SIP
telephone terminal integrated with an
SIP server, and the device comprises an SIP
client module which comprises audio input and output equipment and is used for being responsible for a basic voice call function; the
SIP server module is used for managing all registered SIP clients,
processing routing, transferring, group calling and conference conversation of calls, and providing a voice mailbox and call records; the SIP
relay module is used for converting or forwarding internal and external SIP signaling and media data; the
network interface module is used for providing wired or
wireless connection options to be connected to a
local area network and
the Internet and is responsible for
data transmission; and the
user management and configuration interface module is used for providing user-friendly interface configuration and various functions of management equipment. In this way, the
SIP server function and the SIP telephone function are integrated into the single device, multiple functions are integrated into the single device, the hardware cost and the installation cost are reduced, and the stability of the communication
system is enhanced.