SIP Gateway ZOT-104:
• Ideal for home and office; compact design and universal power adapter for traveling
• Password enabled VoIP-to-PSTN and PSTN-to-VoIP call routing; make and receive calls from any public switch telephone network (PSTN) via the FXO phone port
• SIP 2.0 (RFC 3261), TCP/UDP/IP, RTP/RTCP, ICMP, ARP/RARP, DNS, DHCP (both client and server), NTP, PP PoE, STUN, TFTP, etc.
• Remote device configuration via TFTP server with encrypted configuration files; AutoPro ® Automated and Remote Configuration Software available for VoIP service providers and resellers
• Built-in router feature, NAT, gateway and DMZ port forwarding.
• Powerful digital signal processing (DSP) to ensure superb audio quality; advanced adaptive jitter control and packet loss concealment technology
• Various codecs including G.711 (a-law and u-law), G.723.1 (5.3K/6.3K), G.726 (40K/32K/24K/16K), G.728, G.729A/B, and iLBC
• Caller ID display, 3-way conference calling, call blocking, call hold, call waiting/flash, call transfer, call forward, in-band and out-of-band DTMF, dial plans, etc.
• Fax pass through and T.38 protocol (pending)
• Silence suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168), and AGC (Automatic Gain Control)
• Standard encryption and authentication (DIGEST using MD5 and MD5-SESS)
• Layer 2 (802.1Q VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)
• Automated NAT traversal without manual manipulation of firewall/NAT
• Device configuration via built-in IVR, web browser, and configuration control files through automated TFTP server access
• 12 month international warrant