The Grandstream HT502 is your hybrid analog phone adapter and VoIP router in one. It features 2 FXS Analog phone ports so it can support up to 2 SIP account profiles. The product's inclusion of an integrated high performance NAT router and 10Mbps Ethernet WAN and LAN ports enables a shared broadband connection between multiple Ethernet devices.
Supports UPnP, SIP over TCP/TLS. Up to 2 SIP Account Profiles. 3-Way Conference. 2 FXS Port. Multi-Language Voice Prompts. Caller ID. Call Waiting. Blind or Attended Transfer.