Ports
1 Port, 2 Port, 4 Port, 8 Port, 16 Port | 32 Port, 4 Port, 8 Port |
LEC
No, Yes | — |
DMA
Yes | — |
DBA
Yes | — |
Field Firmware Upgrade
Yes | — |
Inter Operable
Yes | — |
Compatibility
Asterisk, Elastix, FreeBPX, FreeSWITCH, IP BRICK, trixbox, YATE | — |
SS7 Signaling Support
YES | — |
Guarantee
5 Years From Manufacturer | — |
Brand
Digium | Dinstar |
Features
— | SIP V2.0 RFC3261, SDP RFC2327, Session Timer RFC4028, RTP/RTCP RFC3551, SIP Registration, SIP Trunk ( Peer Mode), SIP Trunk Group, Ringback (Immediately, Alerting), Configurable SIP Release Code, DNS SRV/A Query, Outbound Proxy, DTMF mode: Signal/RFC2833, NAT Traversal Dynamic NAT, Static NAT, STUN, G.711A/U law, G.723.1, G.729A/B, 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 |