IAD1000DR voice gateway is a multi-function voice/fax/multimedia terminal. It supports standard SIP, PPPoE, DHCP, SNMP, RTP, and RTCP protocols and supports multiple network access means (ADSL, Cable Modem). It is able to provide operators and virtual operators with highly cost-effective VOIP solutions such as IP telephone super markets and enterprise branches. Voice features: 1) Codec: G.711A/u, G.723.1 high/low, G.726, G.729 2) G.168 echo cancel 3) VAD 4) DTMF Relay SIP features: 1) Standard SIP protocol 2) NAT, STUN 3) Free peer to peer SIP call Networks features: 1) Basic NAT and NAPT 2) PPPoE for ADSL 3) SNTP 4) Static WAN IP and DHCP Maintenance and management: 1) HTTP WEB manager 2) HTTP/TFTP: upgrade firmware 3) Adjustable user password and super password 4) IVR for network setting by handset 5) SNMP Call Control features: 1) Flexible Dial Map 2) End with # 3) Dial Map Table 4) Dial with time out 5) Call routing table for phone book 6) Speed dial 7) Call number/name display 8) Limit dialing in Interfaces: 1) One 10/100 Base T RJ-45 for WAN 2) Two RJ-11 interfaces for telephone