1E1/T1 and 30 SIP channels, 2E1/T1 and 60 SIP channels, 4E1/T1 and 120 SIP channels | — |
Coder support: G.711A,G.711U, G.729 A/B,GSM, iLBC, RFC 2833,RF 3261,SIPINFO,INBOUND, Comfort noise generation, Compliant with TCP/UDP, HTTP, ARP/RARP,DNS,NTP,TFTP,TELNET,STUN and more IP protocols, Digit transmission via RFC 2833 (SIP), Echo cancellation: G.168 128 ms tail length, Hosted NAT, T.38 real-time fax, T.38 – G.711 interworking, Voice activity detection and packet loss concealment | — |
Network Time Protocol (NTP), SNMP MIBs, Web User Interface (WebUI) supports configuration via browser | — |
AC Power Supply Range 100 – 240 VAC, The power supply will operate at frequencies between 47 Hz and 63 Hz | AC Power Supply Range 100 – 240 VAC |
30 – 120 TDM channels per 1U shelf, 30 – 120 VoIP channels per 1U shelf | — |
IP Dual redundant 2 – 100/1000 Base-T Ethernet for VoIP payload and signaling | — |
4 SS7 links in standalone configuration, ISDN PRI, ISDN/SS7, SS7 ISUP, SS7 TCAP | — |
Core SIP Specifications and Notable Extensions, RFC 3261 SIP Basic, RFC 3262 SIP PRACK, RFC 3265 SIP Subscribe/Notify | — |
IP and ISUP interworking and more, RFC 3398 ISUP/SIP Mapping, RFC 3711 SRTP (for SIP), Tel URI – RFC 3966 | — |
3 Years From Manufacturer | — |
Synway | — |
— | 2 Port, 4 Port, 8 Port |
— | DTMF detection, and fax tone detection |
— | Call History – Call Detail Records and Call Event Logging, Call Recording |
— | For USB Jack |