Which two steps are required to enable MGCP Gateway Fallback?
Which device initiates SRST?
Which gateway protocol can provide call preservation when using ISDN to the PSTN?
Which command supports both extension addressing and E.164 addressing?
Which two SIP functions does a gateway perform to enable SIP SRST?
Which certificate server can a Secure SRST router autoenroll with?
Which gateway protocol should you use for a remote site with an E1 PRI to provide the best call preservation?
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
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