The GS-GXW4024 is a high density SIP based analog telephone VoIP gateway that is fully interoperable with leading IP-PBX and Softswitch systems. It features 24 telephone ports, superb voice quality, rich telephony functionalities, easy provisioning, flexible dialing plans and advanced security protection. The GS-GXW4024 gateway enables small and medium businesses to create a cost-effective hybrid IP and analog telephone system and enjoy the benefits of VoIP communications while preserving investment on existing analog phones and traditional PBX systems.