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Greater network and cost efficiencies
Eliminate need for expensive TDM gateways
Higher quality of service
Reduce voice latency with TDM conversion no longer needed (TDM gateway removed)
Increased features and functionality
Access to Direct Inward Dialing (DID) capabilities to smaller size customer
Seamless calling with Internet-based SIP endpoints
End-to-End IP Feature Transparency
Opportunity to purchase enhanced applications from service providers
Access Technology Agnostic
IP PBX to SP: Promotes SIP “Trunking”
PPT Version