Dinstar DAG2500-48/64/72S 48/64/72 FXS Analog VoIP Gateway View larger

Dinstar DAG2500-48/64/72S 48/64/72 FXS Analog VoIP Gateway



  • IPv6, IPv4
  • Call waiting
  • Call Transfer (Blind transfer, Attend transfer)
  • SIP v2.0 (RFC3261) based on UDP/TCP/TLS
  • Call Forwarding (Unconditional, No reply)
  • Fax over T.38 and Pass-through
  • Speed Dial
  • QoS:L3 DIFFServ, 802, 1P/Q VLAN Tagging
  • Do Not Disturb(DND)
  • Voice recording
  • 3-way conference
  • Automatic firmware upgrade and configuration via HTTP/HTTPS
  • Hunting group

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DAG2500 is a functional analog VoIP gateway offering seamless connectivity between VoIP and traditional phone system. It's a highly-integrated gateway which provides up to 72 FXS ports with standard R21 interface in 1U size. Users can easily connect their analog phones, fax machines and PBX systems via standard voice interface. DAG2500 supports the standard SIP protocol and it's compatible with leading IMS/NGN platform and SIP-based IP Phone system. It is ideally suited for small and medium businesses, call centers and multi-location environments that need VoIP services.

Cost-Effective VoIP Gateway

  • 48/64/72 FXS ports, 2 LAN
  • Support SIP, IMS 
  • T.38 Fax 
  • Flexible routing & Dial plan
  • Interoperable with leading softswitches, IP PBXs and SIP servers

High Stability and Reliability

  • Embedded Operation System
  • Market-proven hardware design
  • Carrier-grade reliability
  • Main/Secondary SIP server failover
  • TLS/SRTP Security

Easy Management 

  • Intuitive Web interface including Quick installation guide

  • Support SNMP &TR-069
  • Automated provisioning
  • Dinstar Cloud Managemnt System

  • Configuration Backup and Restore
  • Debug tools in web interface

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