Case Study: Integrating SRST with an Analog Voice-Mail System

Table of contents:

Review Questions

1

Which two steps are required to enable MGCP Gateway Fallback?

2

Which device initiates SRST?

3

Which gateway protocol can provide call preservation when using ISDN to the PSTN?

4

Which command supports both extension addressing and E.164 addressing?

5

Which two SIP functions does a gateway perform to enable SIP SRST?

6

Which certificate server can a Secure SRST router autoenroll with?

7

Which gateway protocol should you use for a remote site with an E1 PRI to provide the best call preservation?

8

What is required to support integration to a centralized voice-mail system over a PRI?

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

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