Case Study: Deploying Gatekeepers to Assist in Migration to VoIP

Review Questions

1	What are two ways to verify that gateways have successfully registered with a gatekeeper?
2	Why is it necessary to configure technology prefixes when implementing gatekeepers on a voice network?
3	What do you need to do to the gatekeeper configuration to provide dynamic prefix registration support?
4	How much bandwidth does the gatekeeper count for each call using a G.729 codec? For a G.711 codec?
5	How can you provide redundancy on a CallManager H.225 gatekeeper-controlled trunk?
6	How is state information shared between gatekeepers in a gatekeeper cluster?
7	What three commands can provide detailed information about the status of a gatekeeper cluster?
8	Which undocumented trace command can you use to show the decision tree steps that the gatekeeper takes as it processes an ARQ message?