DAG1000L 4FXS Analog VoIP Gateway

Description

DAG1000L 4FXS Analog VoIP Gateway

The DAG1000L 4FXS from Dinstar is an analog VoIP gateway with 4 FXS ports, designed to bridge legacy analog telephony equipment with modern VoIP systems using the standard SIP protocol. It’s ideal for small & medium businesses, call centers, SOHO setups, remote offices, and enterprises that want to keep their existing analog phones while migrating to IP/Internet calling.

Hardware & Physical Interfaces

Ports & Connectors

• 4 FXS ports (RJ‑11) — connect analog phones or fax machines.

• 1 WAN port (10/100 Mbps) — for internet or VoIP service link.

• 1 LAN port (10/100 Mbps) — local network connectivity.

LED Indicators often show status for power, network activity, and line usage.

Compact Design — typically small and easy to deploy in office comm closets or behind PBXs.

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Core Telephony & VoIP Features

Voice & SIP Support

• Supports SIP v2.0 (RFC 3261) over UDP/TCP/TLS for secure VoIP calls.

• Works with popular IP PBXs, softswitches, or hosted VoIP providers.

Multi‑party Calling

• 3‑way conference calls directly through the gateway.

Fax Support

• T.38 fax over IP and pass‑through fax modes to support analog fax machines.

Voice Quality & Codecs

• Often supports common codecs such as G.711 A/U, G.723.1, G.729 A/B, and optionally iLBC/Opus — though actual codec support can vary by region or firmware.

Caller ID & Dial Modes

• Caller ID support in DTMF/FSK formats and both pulse & tone dialing.

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Call Handling & User Features

These gateways include practical telephony functions that enhance usability:

• Call waiting — notify of incoming calls during another call.

• Call transfer (blind and attended).

• Call forwarding — unconditional and no‑reply options.

• Do Not Disturb (DND) — silence incoming calls.

• Speed dial & hotline — quick numbers or instant connect.

• Voice mail support.

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Reliability & Stability of DAG1000L 4FXS

• Embedded, stable OS designed for 24/7 uptime.

• Carrier‑grade hardware layout with tested reliability.

• Failover support — keeps voice traffic connected even if SIP server fails.

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Typical Use Cases

Small & Medium Businesses
Connect legacy analog office phones into a VoIP system without buying new IP phones.

Call Centers / Remote Offices
Reuse existing handsets while routing calls over internet VoIP platforms.

SOHO and Branch Offices
Cost‑effective integration of analog devices with modern communications.

Fax & Legacy Equipment Support
Uses fax over IP or pass‑through for existing fax machines.

Frequently Asked Questions

1. What is the Dinstar DAG1000‑4FXS Gateway?

It is a 4‑port  FXS analog VoIP gateway that connects traditional analog phones or fax machines to modern SIP/VoIP networks.

2. How many phones can I connect to it?

You can connect up to 4 analog phones or fax devices using its FXS ports..

3. Can I use it with any VoIP system?

It works with most SIP‑based PBXs and hosted VoIP platforms, including Yeastar, Granstream and IP-PBX systems.

4. Does it support security protocols?

Yes, it supports TLS for signaling and SRTP for encrypted voice traffic, keeping calls secure.

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