“>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 thecustomer premises that supports voice and data using IP or Asynchronous TransferMode adaptation layer 2 (AAL2) transport over a T1 access link to the serviceprovider.This chapter contin
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Sunday, February 10th, 2008 at 8:02 am
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