Ribbon EdgeMarc 2900a Session Border Controller
The Ribbon EdgeMarc 2900a Session Border Controller is purpose-built for organizations deploying Hosted PBX and SIP trunking solutions. This NO FXO variant delivers secure, reliable SIP connectivity for up to 10 concurrent calls, making it ideal for small to medium-sized businesses transitioning to VoIP infrastructure. If your organization requires enterprise-grade session control, quality of service management, and seamless SIP trunk integration without legacy analog interfaces, the EdgeMarc 2900a provides the scalable foundation you need.
Key Features
- Supports up to 10 concurrent calls with advanced session control
- NO FXO design optimized for pure SIP and VoIP deployments
- Secure SIP connectivity with built-in encryption and authentication
- Quality of Service (QoS) management for consistent voice quality
- Scalable architecture suitable for growing business communications
- Hosted PBX and SIP trunking application support
- Compact form factor for easy rack or desktop deployment
- Reliable session border control for multi-carrier environments
Technical Specifications
| Specification |
Details |
| Manufacturer |
Ribbon Communications |
| Product Line |
EdgeMarc 2900a |
| Part Number |
EDGE-2900A-NOFXO-0010-U |
| Call Capacity |
10 concurrent calls |
| FXO Interfaces |
None (NO FXO variant) |
| Primary Application |
Hosted PBX, SIP Trunking |
| Connectivity |
SIP-based VoIP and IP networking |
| Session Control |
Advanced session border control with QoS management |
| Security Features |
SIP encryption, authentication protocols |
| Deployment |
Small to medium-sized environments |
Frequently Asked Questions
What is a Session Border Controller and why do I need one?
A Session Border Controller (SBC) like the EdgeMarc 2900a manages and secures SIP sessions between your internal network and external VoIP providers. It protects against fraud, ensures call quality, and enables seamless communication across multiple carriers—essential for any Hosted PBX or SIP trunking deployment.
What does NO FXO mean on this model?
The NO FXO variant means this EdgeMarc 2900a does not include analog FXO (Foreign Exchange Office) line interfaces. It's designed exclusively for SIP-based VoIP and IP networking, making it ideal for modern cloud-based telephony without legacy analog phone line support.
How many calls can the EdgeMarc 2900a handle?
This model supports up to 10 concurrent calls, making it suitable for small to medium-sized business environments. For higher call volumes, Ribbon offers larger capacity models in the EdgeMarc family.
Is the EdgeMarc 2900a suitable for SIP trunking?
Yes, the EdgeMarc 2900a is specifically designed for SIP trunking applications, providing secure session control, QoS management, and multi-carrier support to optimize your VoIP infrastructure and reduce telecommunications costs.
