ADSL Router User Manual ADSL2 Compliance ³ ITU G.992.3 Annex A (G.dmt.bis)
³ Maximum Rate: 12 Mbps for downstream and 1 Mbps for upstream
ADSL2+ Compliance ³ ITU G.992.5 Annex A
³ Maximum Rate: 24 Mbps for downstream and 1.2 Mbps for upstream
Voice over IP Features ³ Call Feature: basic outgoing and incoming call, Call Waiting, Three Party
Conference, Call Transfer, Caller ID
³ Call Control: support MGCP (RFC2705) or SIP (RFC3261)
³ Voice Transport: compliance to RTP (RFC1889)
³ Voice Codec: G.711 (a-law and u-law), G.726, and G .729A
³ Tone/Ring Signal: compliance to North America, UK, France, Netherlands,
Japan, and China
³ Tone Generation: support dial tone, ring back tone, busy tone, ring tone, and
various tones on demand
³ Tone Detection: support DTMF
³ Echo Cancellation: compliance to G.168
³ Support FAX/Analog Modem function
³ Support T.38 Fax relay1
³ Support RFC2833 RTP Payload for DTMF Digits, Telephony Tones and
Telephony Signals
³ Two VOIP (FXS) ports for VOIP phone calls
³ Both VOIP ports supporting intelligent lifeline backup
³ Manual selection of PSTN mode or VOIP mode while making a phone call
³ Automatic selection of PSTN phone call on dialing the emergency calls
³ Traffic flow control to guarantee voice quality
ATM Features ³ Compliant to ATM Forum UNI 3.1 / 4.0 Permanent Virtual Circuits (PVCs)
³ Support up to 16 PVCs for UBR, CBR, VBR-nrt, VBR-rt with traffic shaping
³ RFC2684 LLC Encapsulation and VC Multiplexing over AAL5
³ RFC2364 Point-to-Point Protocol (PPP) over AAL5
³ RFC2225 Classical IP and ARP over ATM
³ RFC2516 PPP over Ethernet: support Relay (Transparent Forwarding) and
Client functions
³ Support PPPoA or PPPoE Bridged mode (the IP address got from ISP can be
passed to the user’s PC and behave as the IP address of the user’s PC.)
1 T.38 fax relay can be supported on demand.