
Dasscom VoIP Gateways bridge traditional analog systems with modern IP telephony, making them ideal for businesses transitioning to VoIP. Our FXO/FXS and GSM gateways support SIP, ensuring compatibility with major IP-PBX platforms and softswitches. Designed for reliability and ease of deployment, they come equipped with features like echo cancellation, QoS support, and multi-port scalability. These gateways are suitable for enterprises, ISPs, and system integrators looking to extend communication networks without replacing legacy systems. With web-based configuration, remote monitoring, and robust failover mechanisms, Dasscom’s VoIP Gateways provide a cost-effective and future-ready solution for hybrid telephony infrastructure
Dasscom VoIP Gateway Solutions for Modern Communication Networks
As organizations evolve toward IP-based communication, bridging the gap between legacy telephony and VoIP is not optional anymore; It has become absolutely essential. Dasscom’s VoIP Gateway solutions are designed to make this transition seamless. Whether you’re integrating legacy PBX systems, analog phones, fax machines, PSTN lines, or scaling enterprise communication, Dasscom gateways ensure smooth interoperability, high voice quality, and long-term flexibility.
Built for businesses, system integrators, and telecom operators, Dasscom gateways support SIP standards, offering compatibility with leading IP PBX platforms including Dasscom DUC Series IP PBX, Cisco, Avaya, Broadsoft, Huawei, and other VoIP soft switches. They provide a scalable migration path without forcing organizations to replace existing infrastructure.
Why Choose Dasscom VoIP Gateways?
Dasscom’s gateway lineup—including FXO Gateway, FXS Gateway, GSM gateway models, and PRI conversion solutions—ensures smooth call routing, reliable network performance, and consistent voice clarity using advanced DSP, QoS handling, echo cancellation, and failover support.
Key benefits include:
- Seamless legacy-to-VoIP integration
- Web-based configuration and remote monitoring
- Failover and redundancy support
- Low operating cost and reduced telecom expenses
- Future-ready SIP architecture
Gateway Types Available
Dasscom provides multiple gateway types to support different deployment needs:
FXO Gateway
An FXO Gateway connects VoIP-based phone systems to analog PSTN lines. It allows businesses to route calls through traditional landlines or VoIP depending on availability—ensuring cost efficiency and continuity.
Use cases include:
- Call centers using hybrid telephony routing
- Offices transitioning from PSTN to VoIP
- Enterprises requiring emergency fallback to analog lines
FXS Gateway
The FXS Gateway connects analog devices such as fax machines, analog phones, and legacy PBX extensions to IP networks. Ideal for organizations that want to retain working analog hardware while implementing VoIP.
Industries benefiting from FXS gateway deployment include:
- Manufacturing plants
- Hospitality environments
- Healthcare institutions
GSM Gateway
For organizations that rely on mobile connectivity, a GSM gateway enables SIM-based call routing—helping reduce mobile tariffs and ensuring uninterrupted communication even without wired connectivity.
Best suited for:
- Remote installation sites
- Field operations and construction environments
- Internet service providers and telecom operators
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Dasscom VoIP Gateway Product Lineup
Dasscom offers robust and scalable gateway models suitable for diverse deployment environments:
Dasscom DS-32S — High-Capacity FXS Solution
A reliable FXS VoIP gateway with 32 ports designed for large enterprises, hospitality environments, and SME installations. The DS-32S allows seamless connection between analog devices and modern VoIP systems, reducing overhead and extending hardware lifecycle.
Check out DS-32S — 32-Port FXS Gateway
Dasscom DUC-E1L — PRI (E1/T1) Gateway
A telecom-grade PRI–SIP Gateway built for scalability. With support for 30 simultaneous voice channels, signaling protocols, and both PRI and SIP standards, this gateway is ideal for service providers, call routing networks, and enterprise telephony.
Explore: DUC-E1L PRI Gateway
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Deployment Compatibility
Dasscom gateways integrate seamlessly with:
- Dasscom IP Phones (Basic, WiFi, Executive & Video)
- Dasscom IP PBX Systems — DUC Series
- Softphones and UC platforms
- SIP-based paging and intercom infrastructure
This makes them suitable for fully unified communication setups such as VoIP paging, office communication systems, and hybrid PBX deployments.
Where VoIP Gateways Are Used
Businesses across sectors depend on Dasscom gateway solutions for telecommunication modernization:
| Industry | Application |
| Corporate offices | Hybrid VoIP telephony |
| Call centers | Call routing and redundancy |
| Hospitality | Room extensions and analog retention |
| Healthcare | Fax + emergency extensions |
| Factories & remote sites | GSM and FXS-based routing |
| Government & education | Infrastructure modernization |
FAQs
- A VoIP gateway converts analog telephony signals into VoIP formats, enabling businesses to use existing telephone systems with modern IP PBX platforms.
- An FXO gateway connects VoIP systems to PSTN lines, while an FXS gateway connects analog devices (phones, fax machines) to VoIP networks.
- Yes, they support open SIP standards and work with platforms like Cisco, Avaya, Broadsoft, Asterisk, and Dasscom DUC PBX.
- Yes, selected models include GSM gateway functionality for SIM-based calling and tariff savings.
- Absolutely. Dasscom gateways include failover, remote management, and multi-port capacity for enterprise scalability.
- It routes calls through the most cost-effective path—VoIP or PSTN—based on availability and call destination.
- Yes, failover ensures uninterrupted calling during outages or VoIP disruptions.
- Choose DS-32S if you need many analog extension ports, and DUC-E1L for PRI-based enterprise telephony or carrier-grade setups.
Indoor Speakers
Paging Controller
Outdoor Speakers
IP Amplifier & Gateway
Paging Microphones

Basic IP Phones
Wifi Phones
Executive IP Phones
Video Phones

Duc-series

FXS/FXO Gateways
E1/T1 Gateway

Unmanaged Switches
Managed Switches
Industrial Switches
Access Points

Safety Intercoms

Veda Series
Divine Series
Tatva Series

VoIP Office
Call Center Solutions
Network Communications
Public Safety
Video & Security System
Highway Communication
Intercom System
IP Paging Solutions

Healthcare
Hospitality
School & Universities
IT Office
SMEs and SMBs
Industries

Public Address System
VOIP Phones
VOIP PBX
VOIP Gateways
Networking Solutions
Call Center Headsets
Emergency Intercom Stations


