The Fortinet FortiVoice Enterprise 20E4 VoIP Gateway offers a robust solution for businesses seeking to enhance their communication capabilities. With 2 x RJ - 45, 2 x FXS, and 4 x FXO ports, this desktop gateway supports Fast Ethernet connectivity and is TAA compliant. It features built - in functionalities such as auto attendants, music on hold, remote extensions, and more, ensuring seamless call management. The device supports auto provisioning, high availability, and web - based management interfaces, making it user - friendly and efficient. Additionally, it includes real - time call status monitoring, fax services, a rule - based dial plan, call recording, and call queue functionalities, making it an ideal choice for offices with up to 3, 000 phone users.