24 Port, 32 Port, 4 Port, 8 Port, 16 Port | 24 Port, 50 Port, 8 Port |
Connectors: 2-32 shielded female RJ-11 jacks, Number of ports: 2-32 FXO/FXS configurable, Use multiple gateway units for higher port counts | — |
Connector: 2 shielded female RJ-45 jack for LAN, Network Interface: 10/100 Base-T Ethernet LAN port | — |
RTP/RTCP for delivery of voice, SIP per RFC 3261 | — |
T.38 FoIP transcode fax from T.30 fax protocol (supporting V.17) modulation schemes, T.38 for transmission over a packet network | — |
DTMF detection, and fax tone detection, G.711 μ-Law and A-Law, G.723.1, G.729AB Silence suppression with comfort noise G.168 automatic echo cancellation Call Progress Analysis (CPA), Including Positive Voice Detection, Positive Answering Machine Detection (PAMD) | — |
From IP to PSTN or from PSTN to IP, IP fault tolerance, IP load balancing, User configuration list of VoIP endpoints | Dial planner – sophisticated call routing capabilities, standalone or gatekeeper/proxy integration, Direct Dialing In (DDI), SIP registration to multiple proxies |
3 Years From Manufacturer | — |
FXO, FXS | FXO, FXS |
Synway | Sangoma |
— | 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 |