SETU VFX440, Telecom, Gateway, Matrix Comsec, 4 FXO, 4 VoIP Channels
The Matrix SETU VFX440 is a dedicated 4 FXO port VoIP gateway designed to connect 4 analog PSTN trunk lines directly to IP-PBX platforms, cloud telephony servers, or softswitches.
Product Overview
The Matrix SETU VFX440 provides 4 FXO analog trunk ports to connect local Telco copper landlines directly into modern IP-PBX platforms like Asterisk, 3CX, and Matrix ETERNITY. It bridges traditional landline voice calls to IP endpoints across corporate WAN networks. Engineered with line impedance auto-tuning and G.168 echo cancellation, the SETU VFX440 eliminates line noise and voice echo on PSTN calls. It supports caller ID pass-through, call forwarding, and flexible digit manipulation.
Why Buy This Product
4 PSTN Trunk Integration
Connects 4 analog landline copper wires straight into IP-PBX software systems.
Auto Impedance Matching
Tunes line impedance automatically to eliminate hollow echo and line noise on PSTN calls.
Accurate Disconnect Detection
Detects busy tones and polarity reversal to instantly release hung PSTN trunks.
Best for These Applications
Cloud Telephony Systems
Businesses adopting cloud PBXs that still require local PSTN trunks for emergency calling.
Software PBX Deployments
Asterisk and 3CX server installations requiring physical FXO landline cards.
Retail Outlets
Stores using local PSTN lines for credit card terminals and backup voice calls.
Key Advantages
- Caller ID Forwarding:Passes FSK and DTMF caller numbers from PSTN lines directly to IP phone displays.
- Failover Call Routing:Automatically redirects calls to alternative VoIP trunks if PSTN lines are busy or down.
- Web Graphical Console:Simple web browser administration interface for quick installation.
Frequently Asked Questions
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Weight | 1.3 |
| Shipping Weight | 1.5 |
| Fxo Ports | 4 |
| Fxs Ports | 0 |
| Gsm Channels | 0 |
| Pri Ports | 0 |
| Voip Channels | 4 |
| Sim Card Slots | 0 |
| Sip Accounts | 4 |
| Voip Protocols | SIP v2 (RFC3261), SDP, RTP, RTCP |
| Audio Codecs | G.711a/u, G.729A, G.723.1, iLBC |
| Fax Support | T.38 Fax Relay & Pass-Through |
| Dtmf Modes | In-Band, RFC2833, SIP INFO |
| Echo Cancellation | G.168 Line Echo Cancellation (128ms) |
| Ethernet Ports | 2 x 10/100 Mbps RJ45 Ethernet Ports |
| Network Protocols | IPv4, DHCP, PPPoE, VLAN 802.1Q, STUN |
| Security Protocols | TLS 1.2, SRTP, HTTPS, Digest Authentication |
| Call Routing Features | PSTN-to-VoIP Inbound Routing, VoIP-to-PSTN Outbound Routing, Caller ID Detection, Digit Modification |
| Power Supply | 12V DC, 1.5A External Power Adapter |
| Power Consumption | 10W Maximum |
| Mounting Form Factor | Desktop / Wall-Mountable |
| Dimensions | 302 x 185 x 48 mm |
| Operating Temperature | 0°C to 45°C |
| Certifications | CE, FCC, TEC, RoHS |
| Stock | 7 |
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