AT&T Managed VoIP Service provides business-class voice quality with Quality of Service (QoS) on access bandwidth over AT&T’s Managed IP Network. Use this “glue” to connect your VoIP sites, large or small, anywhere around the world, and lower the costs of on-net calling and distributed network-based applications. Business Benefits • Gain the best of both Avaya and AT&T from a premise and Service Provider Network perspective
• Remove burden of testing to determine whether your private network will support a multi-vendor solution
• Simplify network management
• Dynamically share access bandwidth of voice and data Features • On-net/off-net voice and fax calling between Avaya servers and gateways and existing Managed VoIP sites that have legacy PBXs
• Serves as natural WAN extension of LAN telephony
• Predictable monthly costs with a flat rate for on-net and off-net calling in the US
• Capability to be packaged with IP Telephony & LAN service | 
