1

List the two primary functions of a gatekeeper in an H.323 network.

Answer:

Gatekeepers provide call routing with a centralized dial plan and CAC.

2

What is a gatekeeper zone?

Answer:

A gatekeeper zone is used to logically group H.323 devices that an individual gatekeeper controls.

3

What is a technology prefix?

Answer:

A technology prefix is an optional H.323 feature that the gatekeeper uses to group gateways by type or class or to define a pool of gateways.

4

Where is bandwidth management initially done?

Answer:

Bandwidth management is initially done when processing an ARQ. You can modify it later during the call with a BRQ.

5

What is another name for a directory gatekeeper?

Answer:

Another name for a directory gatekeeper is a hierarchical gatekeeper.

6

What is GUP, and what is it used for?

Answer:

GUP is the Gatekeeper Update Protocol. It uses RAS messages to provide updates to alternate gatekeepers when using gatekeeper clustering.


Part I: Voice Gateways and Gatekeepers

Gateways and Gatekeepers

Part II: Gateways

Media Gateway Control Protocol

H.323

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

Index



Cisco Voice Gateways and Gatekeepers
Cisco Voice Gateways and Gatekeepers
ISBN: 158705258X
EAN: 2147483647
Year: 2004
Pages: 218

Similar book on Amazon

Flylib.com © 2008-2017.
If you may any questions please contact us: flylib@qtcs.net