Ribbon EdgeMarc 4808 Intelligent Edge VoIP Gateway
The EdgeMarc 4808 is a purpose-built VoIP gateway and multi-service edge platform engineered for enterprise deployments requiring secure, scalable PSTN integration. This intelligent edge device combines advanced session border controller capabilities with comprehensive gateway functions, delivering 1 Gbps symmetric WAN connectivity and support for up to 50 concurrent calls. The EDGE-4808-0050-U configuration provides enterprises with flexible port density—2 WAN ports, 8 LAN ports, 22 FXS ports, 2 FXO ports, and 2 T1/PRI interfaces—enabling seamless integration of legacy PSTN systems with modern VoIP infrastructure. Deployed as a 1U rack-mountable appliance, the EdgeMarc 4808 centralizes voice gateway operations while maintaining carrier-grade security and call quality through Ribbon's EdgeView Service Control platform.
Key Features
- Intelligent edge VoIP gateway with integrated session border controller for enterprise security
- 22 FXS ports and 2 FXO ports for comprehensive analog telephony support
- 2 T1/PRI interfaces enabling direct PSTN trunk connectivity
- 1 Gbps symmetric WAN connectivity for high-performance voice delivery
- Support for up to 50 concurrent calls with reliable call handling
- 2 WAN ports and 8 LAN ports for flexible network topology
- 1U rack-mountable form factor for efficient data center deployment
- Centralized management via Ribbon EdgeView Service Control platform
- Carrier-grade security and quality of service (QoS) capabilities
- 5-year hardware warranty with first-year software support included
Technical Specifications
| Specification |
Details |
| Manufacturer |
Ribbon Communications |
| Model |
EM-4808 Intelligent Edge |
Part Number: EDGE-4808-0050-U |
| WAN Ports |
2 x 1 Gbps Ethernet |
| LAN Ports |
8 x 1 Gbps Ethernet |
| Analog Voice Ports (FXS) |
22 ports |
| Analog Trunk Ports (FXO) |
2 ports |
| Digital Trunk Interfaces |
2 x T1/PRI |
| Concurrent Call Capacity |
50 calls |
| WAN Bandwidth |
1 Gbps symmetric |
| Form Factor |
1U rack-mountable |
| Management Platform |
Ribbon EdgeView Service Control |
| Hardware Warranty |
5 years |
| Software Support (Included) |
First year |
Frequently Asked Questions
What is an intelligent edge VoIP gateway used for?
An intelligent edge VoIP gateway like the EdgeMarc 4808 bridges legacy PSTN systems with modern VoIP networks, providing secure protocol conversion, call routing, and session management at the network edge. It enables enterprises to integrate analog phones, digital trunks, and IP-based communications seamlessly while maintaining security and call quality.
How many concurrent calls can the EdgeMarc 4808 handle?
The EDGE-4808-0050-U configuration supports up to 50 concurrent calls, making it suitable for small to mid-sized enterprise branch offices or distributed locations requiring reliable PSTN gateway functionality with manageable call volumes.
What are FXS and FXO ports on a VoIP gateway?
FXS (Foreign Exchange Station) ports connect analog phones and fax machines to the gateway, while FXO (Foreign Exchange Office) ports connect to PSTN trunk lines. The EdgeMarc 4808's 22 FXS and 2 FXO ports provide flexible analog connectivity for mixed telephony environments.
Does the EdgeMarc 4808 include management and support?
Yes, the EdgeMarc 4808 includes 5-year hardware warranty coverage and first-year software support and maintenance. Management is centralized through Ribbon's EdgeView Service Control platform, enabling remote monitoring and configuration of gateway operations.