Digital Circuits

Table of contents:

Review Questions


Which port type should you use to connect to a 2-wire analog service connecting to the PSTN for both inbound and outbound calling?


What types of signaling are required on a voice circuit?


What is the difference between CAS and CCS on an E1 circuit?


What is the difference between SF and ESF?


What two types of echo are possible on a voice circuit?


Which signaling type supports ANI on T1 CAS circuits?


Which line signaling method should you use on an E1 r2 satellite link?


What component of an ISDN message is used to carry information about the call?

Part I: Voice Gateways and Gatekeepers

Gateways and Gatekeepers

Part II: Gateways

Media Gateway Control Protocol


Session Initiation Protocol

Circuit Options

Connecting to the PSTN

Connecting to PBXs

Connecting to an IP WAN

Dial Plans

Digit Manipulation

Influencing Path Selection

Configuring Class of Restrictions

SRST and MGCP Gateway Fallback

DSP Resources

Using Tcl Scripts and VoiceXML

Part III: Gatekeepers

Deploying Gatekeepers

Gatekeeper Configuration

Part IV: IP-to-IP Gateways

Cisco Multiservice IP-to-IP Gateway

Appendix A. Answers to Chapter-Ending Review Questions


Cisco Voice Gateways and Gatekeepers
Cisco Voice Gateways and Gatekeepers
ISBN: 158705258X
EAN: 2147483647
Year: 2004
Pages: 218 © 2008-2020.
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