
VoIP FXO Analog Gateway - XNTEL UCM200-D4O Series
Efficient and Robust Voice Connectivity Between PSTN and IP Networks
The XNTEL UCM200-D4O is a compact 4-port FXO VoIP Analog Gateway designed to connect traditional analog/PSTN telephone lines with modern SIP-based IP networks and IP-PBX systems. It provides a reliable bridge between legacy telephony infrastructure and VoIP, helping businesses modernize their communication setup without replacing their existing telephone lines.
With 4 telephony ports and support for 4 simultaneous sessions, the UCM200-D4O is suitable for small and medium businesses, branch offices, call centers, and enterprise applications requiring efficient PSTN-to-IP connectivity. Its SIP/TDM signaling, flexible call routing, multiple voice codecs, fax support, and web-based management make it easy to integrate and manage within an existing IP communication environment.
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VOIP FXO ANALOG GATEWAY - XNTEL UCM200-D4O SERIES
FXO VoIP Gateway Benefits :

Feature Packed
A complete features set that meets all of your requirements and lowers communication costs.
User-friendly
Easy to use Web GUI and intuitive control. Effortless intallations, configure, debug and maintain.
Elevated Efficiency
Excellent voice compression using established codecs for the industry. Compatible with various IP systems
Adaptive Setting
Aegis XNTEL PBX supports standard open protocol TR-069 and PPPoE or DHCP provisioning.
- Link VoIP networks to analog phone lines or PABX extension interfaces.
- High-quality voice calls with exceptional dependability and performance.
- This creative approach is scalable to businesses of any size.
- Caller ID presentation and restriction
- Hotline extension setting
- Web-based remote administration
- Restrict unwanted calls with a list of prohibited numbers
- VoIP connectivity with high performance for SMBs
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Salient Features
Fit to Diverse Applications
Enables IP telephone connectivity with legacy PBX systems, networks enterprise applications, and unifies call routing across corporate LAN and WAN topologies.
Flexible Call Routing
Supports bidirectional call direction (TDM-to-IP and IP-to-TDM) equipped with network load balancing and fault-tolerant failover capabilities.
Controlled Migration to IP
Compatible with standard FXS/FXO connectivity and major PBX manufacturers, safeguarding previous hardware capital investments.
User-Friendly Management
Straightforward setup and troubleshooting tools accessible via web browser, Telnet, or direct serial console interfaces.
Enhanced Voice/Fax Processing
High-efficiency voice codecs (G.711, G.729A/B) alongside reliable fax transcoding via T.30 and T.38 packet transport protocols.
Web Server Interface & Hot Swap
Dedicated web management for firmware updates with hot-swappable gateway flexibility to prevent broader operational disruption.
FXO VoIP Gateway Features
| Answer Detection | Attack Alert |
| Auto Provisioning with XNTEL IP-PBX | Backup and Restore |
| Call Back | Call Detail Records |
| Caller ID Display | Firewall |
| Firmware Upgrade by HTTP/TFTP | Hangup Detection |
| IP Blocklist | Nat Traversal |
| Packet Capture Tool | Programmable AC Impedance |
| System Logs | Web-based Management |
| Technical Specification : | |
|---|---|
| Main Model No. | UCM200 O Series |
| UCM200-D4O | |
| Sessions | 4 |
| Telephony Ports | 4 |
| Interface | RJ11 |
| LAN | 1*10/100Mbps |
| Console Port | N/A |
| Signaling | SIP/TDM |
| Power Supply | Single |
| Power Requirements | 12V DC |
| Codecs | G.711/729/723/722/iLBC/AMR |
| DTMF Mode | RFC2833, SIP Info, In-band |
| Fax | T.38 and Pass-through |
| QoS | DiffServ, ToS, 802.1 P/Q VLAN tagging |
| Network | DHCP, PPPoE, Static Route, VLAN |
| Network Protocol | TCP/UDP, HTTP, ARP/RARP, DNS, NTP, TFTP, TELNET, STUN |
| Management Protocol | TR-069* |
| Signaling | FXS Loop Start, FXS Kewl Start |
| Caller ID | BELL202, ETSI (V23), NTT (V23-Japan), and DTMF-based CID |
| FXO Connectivity | Programmable AC Impedance, Hangup Detection, Answer Detection, Caller ID Detection |
| Dimensions H*W*D(mm) | 220*148*40 |
| Routing | Call routing(IP ↔ PSTN) |
| Mounting | Desktop |
| Compatibility | Interoperable with most IP-PBX and UC Platform, and field-proven by SMB and Carriers Worldwide |
| Environment | Operating temperature range : 0 to +55 °C, 8-90% relative humidity non-condensing Storage temperature range : 20 to +85 °C, 8-90% relative humidity non-condensing |
| Safety | Compliant with most international standards, please ask sales representatives worldwide. We would comply all new safety standard to for different regions around the world while needed. |
| EMC/EMI | Compliant with most international standards. For compliance documents, please contact sales representatives. |
| OAM&P | Network Time Protocol(NTP) Web User interface (WebUI) supports configuration via browser SNMP MIBs |
ONE SOLUTION FOR EVERY INDUSTRY.


































