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SGW-2200
Summarize SGW-2200 connects standard telephones and fax machines to IP-based data networks, IP telephony service providers and enterprise users can offer traditional and enhanced communication services via the customers¡¯ broadband connection to the Internet or Local Area Network (LAN). With the SGW-2200, individual and companies are able to protect and extend their past investments in telephones, conference speakerphones and fax machines as well as control their migration to IP with an extremely affordable, incremental investment. Highlights Key Features: • Support SIP 2.0, TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP, DNS, DHCP, NTP/SNTP, PPPoE, STUN, TFTP ¡ect • Built-in router, NAT, Gateway • Powerful digital signal processing (DSP) to ensure superb audio quality: advanced adaptive jitter control and packet loss concealment technology • Support popular vocoders including G.723, G.729A, G.711 (a-law and u-law), G.726 (40K/32K/24K) • Support STUN and symmetric RTP for NAT • Support Caller ID/name display or block, Hold, Call Waiting, Flash, Call Transfer (Blind and Consultative), in-band and out-of-band DTMF, Dial Plans, three way conference, etc • Support Call Waiting Caller ID with Name/Number.. • Support G.711 fax pass through • Support Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168), and AGC (Automatic Gain Control) • Support standard encryption and authentication (DIGEST using MD5 and MD5-sess) • Support automated NAT traversal without manual manipulation of firewall/NAT • Support device configuration via web browser, or downloading encrypted configuration file through TFTP or HTTP • Support firmware upgrade via TFTP FTP or HTTP • Interoperable with various 3rdparty SIP end user device, Proxy/Registrar/Server, and gateway products • Advanced 32bit embed MCU + DSP technology to ensure superior audio quality
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