
Turbo GSM Voice Terminal – Aegis XN520 Series
The Turbo GSM Voice Terminal (Aegis XN520) is an intelligent cellular communication gateway designed to deliver reliable, flexible, and cost-effective voice calling over standard GSM networks.
Equipped with 2 parallel FXS ports, this Turbo GSM Voice Terminal connects seamlessly to PBX systems, VoIP FXO gateways, desk phones, and dial pads for outbound and inbound calls.
Integrated USB connectivity links the hardware directly to a desktop or laptop, enabling users to access centralized call handling, recording, and routing features through Aegis desktop software. With plug-and-play setup and high-gain antenna support, the system optimizes communication costs while maintaining resilient network connectivity.
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GSM VOICE TERMINAL (TURBO FCT) - XN520 SERIES
The Aegis Turbo GSM Voice Terminal bridges corporate PBX infrastructure with mobile networks through a compact, dedicated desktop unit—delivering significant call cost savings along with digital voice recording.Designed as a high-reliability Fixed Cellular Terminal (FCT), the Turbo GSM Voice Terminal features dual parallel FXS ports for zero-friction integration with existing telephone instruments and VoIP FXO gateways.The integrated USB interface links directly to Windows PC management software for real-time call diagnostics, logging, and phonebook management.

Practical Deployments for the Turbo GSM Voice Terminal
Built for demanding voice environments, the Turbo GSM Voice Terminal serves key organizational operations across multiple sectors:
Government & Public Sector:
Secure cellular routing and resilient emergency voice failover links.
Banking & Financial
Compliant call recording and dedicated customer verification desks.
BPO & Call Centers
High-volume outbound dialing campaigns and agent productivity tracking.
Stock Broking & Travel:
Fast rate inquiry hotlines and uninterrupted service coordination.
Precision Telephony Engineering
Our telecom hardware is designed and developed entirely in-house, focusing on component-level precision and long-term durability.By controlling the entire engineering process, Aegis Informatics delivers high-durability telecommunication solutions tailored to demanding enterprise workloads.
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Key Features of the Aegis GSM Voice Terminal (XN520 Turbo)
Call Recording Solution
Call recording is a core operational feature of the Turbo GSM Voice Terminal (XN520 Series), capturing digital, high-fidelity audio for customer inquiries and multi-party conferences.Telephony audio is logged automatically onto the onboard SD card, providing secure on-premise data storage without relying on third-party cloud servers.Paired with the Aegis management suite, this Turbo GSM Voice Terminal gives administrators quick search filters, timestamps, and caller data for auditing and quality compliance.
Comprehensive Capabilities of the Turbo GSM Voice Terminal
Every Turbo GSM Voice Terminal comes preloaded with essential business calling tools, including multi-level IVR routing, automated voicemail, and 8-party conference calling.The built-in auto dialer boosts agent productivity by up to 300%, eliminating manual dialing errors and connecting team members only when an outbound call is answered.Built with industrial-grade filtering circuits, the Turbo GSM Voice Terminal eliminates line hum and audio interference for clear business conversations.
IVR Base Routing
Route callers with customizable multi-level greetings and DTMF digit actions (e.g., Press 1 for Support, Press 2 for Sales).
Voicemail Facility
Built-in automated voicemail allows callers to leave voice memos with phone numbers during busy hours or holidays.
Easy Plug & Play
No complicated wiring or technician setup required; simply insert SIM, connect the power cord, and plug into PBX.
User-Friendly GUI
Responsive, modern desktop GUI allows one-click searching, audio playback, call filtering, and detailed reporting.
8-Party Conference
Initiate multi-party conference calls (up to 8 participants simultaneously) over the GSM network with zero jitter.
Built-in Auto Dialer
Boosts team efficiency by 200–300%, eliminating manual dialing and connecting agents only to live answered calls.
Voice Broadcasting
Transmit bulk automated voice announcements, service reminders, and feedback surveys to client lists easily.
Rugged Circuit Design
Engineered with industrial-grade raw materials and noise-filtering circuits to eradicate electrical line noise.
Hot Dialing
Automatically triggers an instant call to a pre-configured critical emergency number the moment the handset is lifted.
Custom Welcome Prompts
Upload brand-tailored greetings and informative updates, building a trustworthy enterprise image.
High Gain Antenna (3m)
Comes with an external 3-meter magnetic wire antenna to pull robust cellular signals in low-reception basements.
Click-to-Call & Blacklist
Dial contacts with a single click from the PC screen while blocking unwanted/spam telephone numbers effortlessly.
Tagging & Speed Dial
Save up to 100 double-digit speed dials; tag priority calls with notes and remarks for quick CRM indexing.
LED Indication Status
Real-time visual diagnostic indicators on the XN520 front panel

1. Power Indicator
Solid WHITE LED glow indicates device power is turned ON and voltage is normal.
2. Outgoing Call Status
Shows RED when the handset is off-hook/dialing; turns solid GREEN upon connection.
3. Incoming Call Status
Flashes RED during an incoming call alert; turns solid GREEN once answered.
4. Signal Strength Indicator
Bars show reception: 1–2 Bars = No/Low Signal, 3 Bars = Weak, 4 Bars = Excellent Signal.
Accessories Connectivity Setup
Quick 5-step hardware connectivity flow diagram

Technical Specifications of the GSM Voice Terminal
Complete hardware ratings, operating circumstances, and system requirements
| XN-520FCT | Basic GSM device for voice application |
| GSM SIM Cards Frequency Bands | Quad-band-GSM850/1900MHz, 900/ 1800 MHz phase 2+full band |
| SIM Interface | 1.8, 3V SIM Interface |
| SIM card Slot | Nano sim card |
| Antenna amplifying | 3.5db (omni-direction) |
| Antenna Connection | SMA antenna connection |
| Connector | 2 parallel RJ11 Connector |
| Dialling and Reception | DTMF Dialling |
| CLIP | DTMF CLI |
| Answering & Disconnect Signalling | Polarity reversal for call Connect/Disconnect signalling |
| Dial tone frequency | 450MHz |
| Picking off voltage | 30mA/41mA |
| Input | External power adaptor 100-240 VAC, 47-63Hz Output: @1.25A |
| Power Consumption | 5W (Typical) |
| Operation Temperature | -10C~60C |
| Storage Temperature | -20C~70C |
| Operation Humidity | 45%-95% |
| Mounting option | Wall Mount and table Top |
| Device Dimensions (LXWXH) | 163mmx113mmx32mm |
| Packing Box Dimensions (LXWXH) | 257mmx193mmx64mm |
| Actual Weight | 450 gm |
| Volumetric Weight | 800 gm |
| Packaging | Standard Carton, 20PCS/Carton |
Minimum PC Requirement :
| Parameter | Requirement |
|---|---|
| Operating System | WinXP, Win7, Win8, Win10 & Any Server |
| CPU | Dual Core & Above |
| RAM | 2 GB & Above |
| Harddisk | 500GB & Above |
| Connectivity Mode | USB Connectivity |
| Parameter | Requirement |
|---|---|
| Operating System | WinXP, Win7, Win8, Win10 & Any Server |
| CPU | Dual Core & Above |
| RAM | 2 GB & Above |
| Harddisk | 500GB & Above |
| Connectivity Mode | USB Connectivity |
| Parameter | Requirement |
|---|---|
| Operating System | WinXP, Win7, Win8, Win10 & Any Server |
| CPU | i5 and above depend on No. of user connected |
| RAM | 8GB and above depend on NO. of user connected |
| Harddisk | 1 TB and above |
| IP | Static IP for Multi Location Setup |
| Bandwidth | Depend on Number of Multi Location users |
ONE SOLUTION FOR EVERY INDUSTRY.




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