1 Port, 2 Port, 4 Port, 8 Port, 16 Port | — |
No, Yes | — |
Yes | — |
Yes | — |
Yes | — |
Yes | — |
Asterisk, Elastix, FreeBPX, FreeSWITCH, IP BRICK, trixbox, YATE | — |
YES | — |
Euro ISDN, Network or CPE, AT&T 4ESS, CAS Voice Modes | — |
25 Years from Manufacturer | 3 Years From Manufacturer |
Sangoma | Synway |
— | 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 |
— | 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 |