U4EA MSBGs are:

For more details on U4EA's GoS, request one or both of U4EA's white papers on the subject:
Fusion 500 Business Gateway
Request a data sheet!
The Fusion 500 is a Multi-Service Business Gateway for delivering unified IP communications to small and medium enterprises with up to 1000 employees.
The Fusion 500 delivers voice, video, data, and security services. The Fusion 500 includes 1 or 2 PRI/T1/E1 Gateway ports, firewall, NAT, VPN support, multiple WAN interface types, emergency connections to the PSTN, and supports up to 250 simultaneous phone calls.
The Fusion 500 is GoS™-enabled, providing an industry-leading 9 QoS classes that guarantee bandwidth and control packet loss and delay for VoIP and other mission-critical IP applications.
The PRI/T1/E1 interface of the Fusion 500 enables the connection of a legacy digital PBX to allow a smooth migration to full IP communications solutions while preserving the capital investment in existing equipment.
The Fusion 500 also provides ongoing IP communications and voice quality monitoring and a sophisticated EMS system for configuration and management.
Typical Fusion 500 Deployment Scenarios
For a full description of the Fusion 500, register to receive the Fusion 500 Data Sheet.
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