DAG3000-128S/O is a multi-functional Analog VoIP Gateway offering seamless connectivity between IP-based telephony networks and legacy telephones (POTS), and PBX systems. It adopts modularized hardware design that allows to expand FXO ports by adding boards according to user’s requirements. Each board has 8 FXS/FXO ports and the gateway supports 128 FXS/FXO ports at maximum. DAG3000-128S/O supports the standard SIP protocol and it’s compatible with leading IMS/NGN platforms and SIP- based IP telephony systems. Which is ideally suited for large enterprises, call centers and multi- location environments that need VoIP services

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  • 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)
  • 3-way conference
  • Automatic firmware upgrade and configuration via HTTP/HTTPS
  • Hunting group
  • System logs & CDR
  • Voice Mail
  • Flexible routing & dial plan
  • Pluse Dialing
  • Backup and restore
  • MWI
  • SNMP/TR-069
  • 5 km long haul
  • Music on hold