Device interfaces: Port 10/100BASE-TX RJ-45 WAN, 4 x 10/100BASE-TX RJ-45 LAN, 1 x FXS with 1 RJ-11 connector; Voice Gateway: Port 10/100BASE-TX RJ-45 WAN, 4 x 10/100BASE-TX RJ-45 LAN, 1 x FXS with 1 RJ-11 connector; Connection types: DHCP-Client, PPPoE-client; SIP: Dialing in the standard E.164, Redundant SIP PROXY (registration), Supports SIP URI format, Outbound proxy support, Types of calls: voice/modem/fax, P2P, Timers sessions (update /re-invite), DNS SRV support, Invite with Challenge, Registration by SIP server IP address or domain name
* Recommended retail price