1 Port, 2 Port, 4 Port, 8 Port, 16 Port | 24 Port, 50 Port, 8 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 | — |
Sangoma | Sangoma |
— | FXO, FXS |
— | G.711A 64 kbps, G.711U 64 kbps, G.723 5.3/6.3 kbps, G.726, G.729a (8kbps), T.38 |
— | 24 FXS ports on an RJ-21 connector, 600R, 900R or CTR-21 line impedance |
— | 1000BaseT / 100BaseTx / 10BaseT, full / half duplex, 1x RJ-45 Gigabit Ethernet |
— | Message waiting indicator – audible, visual, Call forward – unconditional, busy, no-answer, Call transfer – blind, consultative, Call Waiting, Caller ID, Do Not Disturb, Music on hold, Three Way Calling |
— | Dial planner – sophisticated call routing capabilities, standalone or gatekeeper/proxy integration, Direct Dialing In (DDI), SIP registration to multiple proxies |