Ribbon EdgeMarc 2900a PoE Session Border Controller
The Ribbon EdgeMarc 2900a PoE Session Border Controller is a powerful edge device engineered for organizations deploying hosted PBX and SIP trunking solutions. This session border controller delivers secure, intelligent VoIP connectivity with support for up to 5 licensed concurrent calls in this unbundled configuration. With 12 fully managed PoE Gigabit Ethernet LAN ports and multiple WAN interfaces, the EdgeMarc 2900a provides reliable enterprise-grade voice communications for mid-market deployments requiring robust SIP trunking capabilities and secure VoIP gateway functionality.
Ideal for service providers, hosted PBX operators, and enterprises seeking a PoE-enabled SBC with flexible deployment options, this No FXO variant focuses on FXS and Ethernet-based connectivity, eliminating unnecessary analog interfaces while maintaining full IP-based communications support.
Key Features
- 12 fully managed PoE Gigabit Ethernet LAN ports for flexible network connectivity
- Multiple WAN interfaces supporting data rates up to 1 Gbps
- Up to 5 licensed concurrent calls in unbundled configuration
- Support for 300 total voice sessions and 2000 registered endpoints
- No FXO variant optimized for FXS and Ethernet-based deployments
- Intelligent session border controller for SIP trunking security
- Enterprise-grade VoIP gateway with advanced call routing
- Managed as part of Ribbon EdgeMarc IP business gateway portfolio
- Secure VoIP connectivity with built-in threat protection
- Scalable architecture supporting mid-market to large deployments
Technical Specifications
| Specification |
Details |
| Manufacturer |
Ribbon Communications |
| Product Line |
EdgeMarc IP Business Gateway |
| Model |
EdgeMarc 2900a PoE |
| Part Number |
EDGE-2900APOE-NOFXO-0005-U |
| Configuration |
No FXO, 5 Calls (Unbundled) |
| LAN Ports |
12 x PoE Gigabit Ethernet |
| WAN Interfaces |
Multiple (configurable) |
| Data Rate |
Up to 1 Gbps |
| Concurrent Calls |
5 licensed calls (up to 300 total voice sessions) |
| Registered Endpoints |
Up to 2000 |
| Connectivity Type |
FXS and Ethernet-based (No FXO) |
| Device Type |
Session Border Controller (SBC) |
| Use Cases |
Hosted PBX, SIP Trunking, VoIP Gateway |
Frequently Asked Questions
What is a session border controller and why do I need one?
A session border controller (SBC) is a critical security and management device that sits at the edge of your network, controlling and monitoring all VoIP calls. The EdgeMarc 2900a protects your communications infrastructure by enforcing security policies, managing SIP trunking connections, and ensuring reliable call routing between your internal network and service providers.
What does the No FXO variant mean?
The No FXO variant means this EdgeMarc 2900a does not include Foreign Exchange Office (FXO) ports for connecting to traditional analog phone lines. Instead, it focuses exclusively on FXS (Foreign Exchange Station) ports and Ethernet-based connectivity, making it ideal for organizations with fully IP-based communications infrastructure and SIP trunking deployments.
How many calls can this SBC handle?
This unbundled configuration supports up to 5 licensed concurrent calls, with the underlying EdgeMarc platform capable of managing up to 300 total voice sessions and 2000 registered endpoints, providing flexibility for growth and scalability in mid-market environments.
Is the EdgeMarc 2900a suitable for SIP trunking?
Yes, the EdgeMarc 2900a is specifically designed for SIP trunking applications. As an intelligent SIP trunking gateway, it provides secure VoIP connectivity, advanced call routing, and enterprise-grade session management, making it an excellent choice for organizations transitioning from traditional PRI circuits to IP-based communications.
