What are three tasks that a voice gateway performs?
What are two benefits of adding an IPIPGW between networks?
What are four tasks that an H.323 gatekeeper performs?
Which call control protocol is an IETF standard that requires a call agent to function?
Which call control protocol is an IETF standard, uses a distributed call-control model, and is able to control multiple types of media connections?
Which call control protocol is an ITU-T standard and uses a distributed call-control model?
What are three typical CallManager deployment scenarios?
Part I: Voice Gateways and Gatekeepers
Gateways and Gatekeepers
Part II: Gateways
Media Gateway Control Protocol
Session Initiation Protocol
Connecting to the PSTN
Connecting to PBXs
Connecting to an IP WAN
Influencing Path Selection
Configuring Class of Restrictions
SRST and MGCP Gateway Fallback
Using Tcl Scripts and VoiceXML
Part III: Gatekeepers
Part IV: IP-to-IP Gateways
Cisco Multiservice IP-to-IP Gateway
Appendix A. Answers to Chapter-Ending Review Questions