Ribbon EdgeMarc 2900a Session Border Controller
The Ribbon EdgeMarc 2900a is an intelligent edge session border controller purpose-built for enterprises and service providers deploying hosted VoIP and SIP trunking solutions. This 10-call capacity model delivers professional-grade telephony control with field-upgradeable session licenses, making it ideal for organizations seeking reliable SBC technology that scales with business growth. Whether you're managing hosted VoIP environments or securing SIP trunk deployments, the EdgeMarc 2900a provides robust connectivity, advanced security, and seamless endpoint management for up to 2000 registered devices.
Key Features
- 10 concurrent call capacity with field-upgradeable session licenses
- Dual Gigabit WAN ports plus dual Gigabit optical WAN ports for redundant connectivity
- Four Gigabit LAN ports for internal network integration
- Six FXS ports and two FXO ports for legacy telephony integration
- Support for up to 2000 registered endpoints
- 1 Gbps data throughput for high-performance call handling
- Multiple VLAN support and IPsec VPN tunnels for secure communications
- Standard audio codecs with T.38 Fax over IP capability
- Intelligent edge processing for reduced latency and improved call quality
Technical Specifications
| Specification |
Details |
| Manufacturer |
Ribbon Communications |
| Model |
EdgeMarc 2900a |
| Part Number |
EDGE-2900A-0010-U |
| Call Capacity |
10 concurrent calls |
| Maximum Endpoints |
2000 registered endpoints |
| WAN Connectivity |
2x Gigabit Ethernet + 2x Gigabit Optical |
| LAN Ports |
4x Gigabit Ethernet |
| Analog Ports |
6x FXS + 2x FXO |
| Data Throughput |
1 Gbps |
| Security |
IPsec VPN, Multiple VLANs |
| Fax Support |
T.38 Fax over IP |
| Support |
No Support Included |
Frequently Asked Questions
What is a session border controller and why do I need one?
A session border controller (SBC) is a network security and management device that sits at the edge of your VoIP network. It protects your telephony infrastructure from threats, manages call routing, ensures quality of service, and enables secure communication between your internal network and external SIP trunks or hosted VoIP providers. The EdgeMarc 2900a is specifically designed for this critical role in enterprise and service provider environments.
Can I upgrade the call capacity beyond 10 concurrent calls?
Yes. The EdgeMarc 2900a features field-upgradeable session licenses, allowing you to increase call capacity as your business needs grow without replacing hardware. This makes it a cost-effective solution for organizations anticipating future expansion.
Is the EdgeMarc 2900a suitable for hosted VoIP deployments?
Absolutely. The EdgeMarc 2900a is purpose-built for hosted VoIP and SIP trunking environments. It provides the intelligent edge processing, security controls, and endpoint management capabilities required for reliable hosted VoIP service delivery to up to 2000 registered endpoints.
What legacy telephony integration options does this SBC provide?
The EdgeMarc 2900a includes six FXS ports for connecting analog phones and two FXO ports for connecting to legacy PSTN lines or analog trunk services, enabling seamless integration with existing telephony infrastructure during migration to VoIP.
