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

Interoperable with legacy / IP equipment, easy-to-use management, and eliminating the cost of re-wiring, DAG2500 is ideal for hospitality, apartment buildings, hospitals, schools/campuses, and service providers.

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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

• 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

Features:

• 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