Dinstar DAG1000-8O 8 Port Analog FXO VoIP Gateway – SIP PSTN Integration Solution

Product Overview

The Dinstar DAG1000-8O 8 Port FXO Analog VoIP Gateway is a reliable and cost-effective solution designed to connect PSTN lines and analog PBX systems to modern VoIP networks.

With 8 FXO ports, this gateway enables seamless communication between traditional telephony infrastructure and IP-based systems, making it ideal for businesses transitioning to VoIP while maintaining existing telecom lines.

Built with carrier-grade reliability and advanced SIP features, the DAG1000-8O is suitable for SMEs, call centers, and multi-branch enterprises.

Key Features

1. 8 FXO Ports for PSTN Connectivity

• Supports 8 analog trunk (FXO) ports

• Connects PSTN lines or analog PBX systems to VoIP networks

• Ideal for SIP trunk integration

2. Seamless VoIP Integration (SIP Protocol)

• Fully compliant with SIP (RFC 3261)

• Compatible with IP PBX, softswitches, and SIP servers

• Supports IMS/NGN platforms

3. High-Quality Voice & Advanced Codecs

• Supports codecs: G.711, G.729, G.723, G.726

• Built-in echo cancellation (G.168) and jitter buffer

• Ensures clear and stable communication

4. Fax over IP (T.38 Support)

• Supports T.38 and pass-through fax

• Reliable fax transmission over IP networks

• Suitable for business environments

5. Flexible Call Routing & Dial Plan

• Advanced digit manipulation and routing rules

• Caller ID control and prefix-based routing

• Load balancing and call handling features

6. Strong Security & Encryption

• Supports TLS and SRTP encryption

• Secure VoIP communication

• Protection against unauthorized access

7. Easy Management & Provisioning

• User-friendly web-based GUI

• Remote management via SNMP & TR-069

• Auto provisioning and configuration backup

8. High Reliability & Failover Support

• Carrier-grade hardware design

• Main/secondary SIP server failover

• Automatic fallback to PSTN ensures business continuity

9. Multiple Network Interfaces

• 1 × WAN + 2–3 × LAN Ethernet ports

• Supports IPv4/IPv6, VLAN, QoS

• Flexible deployment in enterprise networks

  Technical Specifications

  • Model: DAG1000-8O

  • Ports: 8 × FXO (RJ11)

  • Protocol: SIP v2.0 (RFC 3261)

  • Network: 1 × WAN, 2–3 × LAN (RJ45)

  • Voice Codecs: G.711, G.729, G.723, G.726

  • Fax: T.38 / Pass-through

  • Security: TLS, SRTP

  • Management: Web GUI, SNMP, TR-069

  • Power Supply: 100–240V AC

  • Mounting: Desktop

  • Application: PSTN to VoIP Gateway

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  Why Choose Dinstar DAG1000-8O?

  ✔ Connect PSTN lines to VoIP systems easily
  ✔ Reduce telecom costs using SIP trunking
  ✔ Preserve existing analog PBX infrastructure
  ✔ Reliable performance with failover support
  ✔ Easy deployment and remote management

  This gateway is an ideal solution for businesses looking to modernize communication systems while maintaining legacy telecom connectivity.

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  Best Use Cases

  • Small & medium businesses (SMEs)

  • Call centers and outbound dialing systems

  • Branch offices with PSTN connectivity

  • Enterprises migrating to VoIP

  • Hybrid telecom environments (Analog + IP)

    ???? Upgrade your telecom infrastructure with the Dinstar DAG1000-8O FXO VoIP Gateway and seamlessly integrate PSTN with modern VoIP systems.