- Understand the pros and cons of MGCP, H.323m and SIP, how they implement call signaling and descripble call flow, and
how to configure each protocol
- Learn the various analog and digital voice circuit options used to connect a VoIP network to the PSTN
- Configure and troubleshoot PSTN, PBX, and IP WAN connections
- Build scalable dial plans and understand the different types of dial peers
- Understand the various ways gateways control called and calling phone numbers
- Examine call admission control (CAC) techniques
- Configure Class of Restrictions (CoR) for both inbound and outbound calls
- Deploy and troubleshoot SRST and MGCP fallback
- Evaluate DSP considerations and resources
- Support interactive voice response (IVR) and advanced call-handing applications using Tcl scripts and VXML
- Deploy and configure basic and advanced gatekeeper functions
- Configure and troubleshoot IP-to-IP gateways
Part I Voice Gateways and Gatekeepers
Part II Gateways
Part III Gatekeepers
Part IV IP-to-IP Gateways
Appendix A Answers to Chapter-Ending Review Questions