ADSL2+ Modem with VoIP PBX

Features:
1) ADSL / ADSL2 / ADSL2 + modem
2) IEEE 802.11 b/g WLAN wireless access point (wireless LAN: 54Mbps)
3) Router with NAT function, in support of dynamic and static router
4) TU G.992.1, ITU G.992.2, ITU G.992.3, ITU G.992.5
5) ANSI T1.413 Issue 2
6) IEEE 802.11b, IEEE 802.11g
7) RFC 1483 bridge
8) RFC 1483 router
9) ATM (RFC 1577)-based traditional SIP (session initiation protocol)
10) ATM (RFC 2364)-based point-to-point protocol
11) Ethernet (RFC 2516)-based point-to-point protocol
12) VoIP: RFC 3261 SIP (session initiation protocol)