Articles By James F. Durkin

Voice-Enabling the Data Network

The CPS layer enables the multiplexing of variable length voice packets of end users onto a single ATM virtual channel that is an AAL2 channel. Although AAL2 with its three-byte packet header introduces

Published on: February 12th, 2003 James F. Durkin

Voice-Enabling the Data Network

Dynamically change from voice to fax demodulation AAL2 Type 3 cells for reliable dual tone multifrequency (DTMF) relay Dynamically change the compression rate to G.711 for fax calls in midcall Indicate end of

Published on: February 5th, 2003 James F. Durkin

Voice-Enabling the Data Network

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

Published on: January 29th, 2003 James F. Durkin