| Physical Interfaces |
| •ISDNInterface 1/2/4*E1/T1, G.703, 120ΩRJ-48c |
| •Network InterfaceWAN and LAN, 2 * 10/100M Base-TX, RJ-45 |
| •RS232 ConsoleRJ-45, 115200bps |
| Voice & Fax |
| •G.711A/U law (G.723.1, G.729A/B, iLBC–optional) |
| •Silence Suppression & Detection |
| •Comfort Noise Generation (CNG) |
| •Voice Activity Detection (VAD) |
| •Echo Cancellation (G.168) |
| •Adaptive (Dynamic) Jitter Buffer |
| •Call Progress Tone Generation |
| •Programmable Gain Control |
| •T.38/Pass-through |
| •DTMF Mode: Signal/RFC2833/Inband |
| Physical Feature |
| •Power: input:100-240V,50-60Hz output:12VDC,1.0A |
| •Temperature(operation): 0 ℃~ 45 ℃ |
| •(storage): -20 ℃~80 ℃ |
| •Operation Humidity: 10%-90% no condensation |
| •Dimension(w/D/H): 225*150*38mm |
| •Weight: 0.75kg |
| Protocol |
| •SIP-RFC3261,3262,3263,3264, |
| •SDP-RFC 2327 |
| •RTP/RTCP-RFC2198,1889 |
| •Network Protocol |
| IP,TCP, UDP,TFTP, FTP, RTP, RTCP, |
| ARP/RARP,ICMP Ping, NTP, SNTP,
Http, DNS |
| Signal |
| •PRI/PRAISDN E1/T1,JapanT1.ITU-T I.431, Q.921, Q.931, ETSIQ.sig |
| •R2China and other 22 variants |
| Maintain & Upgrade |
| •Web based configuration |
| •Data backup/restore |
| •Support English and Chinese |
| •Firmware upgrade by TFTP/web |
| •Web & Telnet login password modify |
| •Factory reset |
| •Output CDR/Tracking newsby syslog |
| •Call status information statistics |
| Certifications |
| • CE,FCC |
