Analog VoIP Gateway Dinstar DAG2500-64S
Physical Interfaces
– 64 FXS with 3* RJ21, 50 PIN
– Console: 1* RS232, 115200bps
– Network Interface: 2* 10/100/1000 Base-T
Voice & FAX
– G.711A/U law, G.723.1, G.729A/B, G.726, iLBC, AMR
– Silence Suppression
– Comfort Noise Generation (CNG)
– Voice Activity Detection (VAD)
– Echo Cancellation (G.168), with up to 128ms
– Adaptive (Dynamic) Jitter Buffer
– Programmable Gain Control
– T.38/Pass-through
– Modem/POS
– DTMF mode: SIP Info/RFC2833/In-band
– VLAN 802.1P/802.1Q
– Layer3 QoS and DiffServ
FXS
– Connector: RJ21
– Dial Mode: DTMF and Pulse
– Pulse: 10 and 20 PPS
– Caller ID: DTMF/FSK CLI Presentation
– Max Cable Length: 5KM
– Reversed Polarity
– Programmable Call Progress Tone
VoIP
– Protocol: TLS / SRTP SIP v2.0 (UDP/TCP), RFC3261, SDP, RTP (RFC2833), RFC3262, 3263, 3264, 3265, 3515, 2976, 3311
– RTP/RTCP, RFC2198, 1889
– RFC4028 Session Timer
– RFC3266 IPv6 in SDP
– RFC2806 TEL URI
– RFC3581 NAT, rport
– Primary/Backup SIP Server
– Outbound Proxy
– DNS SRV/A Query/NATPR Query
– Early Media/Early Answer
– NAT: STUN, Static/Dynamic NAT
Supplementary Service
– Call Waiting, Blind Transfer, Attend Transfer, Call Pickup, Call Forward on Busy, Call Forward on No Reply, Unconditional Call Forward, Warm/Immediately Hotline, Call Hold, Do-not-disturb, 3-Way Conference, Message Waiting Indicator (MWI)
General
– Power Supply: 100-240VAC, 50-60 Hz
– Power Consumption: 75W
– Dimensions: 440 x 280 x 44 mm (1U)
– Weight: 4.0kg
– Bảo hành: 12 tháng.
