DAG2500-48/72/96S High-density Analog VoIP Gateway

Ultimate High-density Design in 1U

• The only Analog VoIP Gateway with 96 ports in 1U size, saving your rack space and cost

• 48/72/96 ports optional

• RJ21(50-pin telco), RJ45&DB37 optional

High Reliability

• High Reliability

• Market-proven hardware design

• Dual bond GE: GE port failover & load balancing

• Optional redundant power supplies (Available only on 48/72 ports)

• Multiple SIP server failover mechanism

• Failover dial plan

Full VoIP Features & Broad Compatibility

• SIP v2, compatible with mainstream IP PBXs, Softswitches and SIP servers

• Voice, Fax (T.38 & T.30 bypass) and modem support

• IPv4/IPv6, VLAN, VPN, QoS

• Flexible routing and dial plan

• HD voice quality and various voice codecs

• Digit Map

• IMPU

• Action URL

• Voicemail

• Custom IVR

• Call Holding

• Call Waiting

• Do-not-disturb

• Blind Transfer

• Attend Transfer

• Call Forward on Busy

• Call Forward on No Reply

• Ringing Group, Hotline

• 3-way Conference

• Early Media/Early Answer

• Abbreviated Dialing

• Access and Peer Mode

• SIP PnP Auto Provisioning

• PBX IVR

• Unconditional Call Forward

• SIP registration to different servers

• Flexible Call Routing Policy

• Caller/Called Number Manipulation

• Recording

• T.38/Pass-through

• Modem/POS

• Silence Suppression

• Bandwidth Optimization

• Comfort Noise Generation(CNG)

• Voice Activity Detection(VAD)

• Packet Loss Concealment

• Adaptive (Dynamic) Jitter Buffer

• Programmable Gain Control

• G.711A/U law, G.723.1, G.729A/B, G.726, iLBC, AMR, AMR-GSM

• DTMF mode: Signal/RFC2833/INBAND

• Echo Cancellation(G.168), with up to 128ms