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Voice-Enabling the Data Network: H.323, MGCP, SIP, QoS, SLAs, and Security by James F. Durkin

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Chapter 4. Offering Bundled Voice and Data Services

Chapter 2, “VoIP Network Architectures: H.323, SIP, and MGCP,” describes a managed voice and data service architecture that uses a call agent. A call agent solution is commonly used for the small and medium-sized business (SMB) market. This solution uses an integrated access device (IAD) at the customer premises that supports voice and data using IP or Asynchronous Transfer Mode adaptation layer 2 (AAL2) transport over a T1 access link to the service provider.

This chapter continues the focus on offering managed services to SMBs. Service providers that traditionally use time-division multiplexing (TDM) access and that need to add other service offerings can bundle voice and data services over ...

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