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Category: 642-415

Exam 642-415: UCAD – Unified Communications Architecture and Design

How can an abbreviated inter site dial plan be developed

Ajax has decided to open regional sales offices to put their sales staff closer to their customers. The new offices are located in Oakland, Denver, Chicago, and New York. The Northwest and Southeast regional sales offices are located the Redmond and Atlanta facilities. The sales offices will connect to the Ajax campus via a Frame Relay network. Each site will have a PSTN gateway for local and emergency calls. All calls to and from the regional offices as well as long distance calls should use the IP WAN as much as possible. Call processing and voice mail will remain centralized Atlanta. H.323 gateways will be deployed at the remote sites for PSTN access.
The Ajax central campus and regional sales offices will use the G.711 codec locally. The G.729 codec will be used when calls cross the WAN, and cRTP will be implemented on each link. The voice-mail system only supports G.711.
The DID ranges of the Oakland, Denver, and Chicago sales offices overlap over the last seven digits of the ranges. Ho can an abbreviated inter site dial plan be developed so that extension 1023 in Oakland doesn’t overlap with extension 1023 in Denver and Chicago?

Consider the following customer attributes and choose the correct IP telephony call processing model

Consider the following customer attributes and choose the correct IP telephony call processing model:
– a large campus that spans two PSAP areas
– a single group of buildings connected via fiber optics
– data VPNs that support multiple contractors and suppliers
– a fully developed three-tier network hierarchy
– connectivity to two different service providers for Internet access

What is the maximum number of simultaneous MoH messages that will be streaming at anytime?

Ajax has nine departments plus Coiporate personnel with a total of 822 phones. Each department has a separate MoH message. All the departments would like to play their messages when they place a caller on hold. A standard corporate message is played when people outside of these nine departments place a user on hold.

What is the maximum number of simultaneous MoH messages that will be streaming at anytime?

What design issues need to be considered so that all user can access theirvoice mail?

Ajax has decided to open regional sales offices to put their sales staff closer to their customers. The new offices are located in Oakland, Denver, Chicago, and New York. The Northwest and Southeast regional sales offices are located the Redmond and Atlanta facilities. The sales offices Aiotestking.com
will connect to the Ajax campus via a Frame Relay network. Each site will have a PSTN gateway for local and emergency calls. All calls to and from the regional offices as well as long distance calls should use the IP WAN as much as possible. Call processing and voice mail will remain centralized Atlanta. H.323 gateways will be deployed at the remote sites for PSTN access.
The Ajax central campus and regional sales offices will use the G.711 codec locally. The G.729 codec will be used when calls cross the WAN, and cRTP will be implemented on each link. The voice-mail system only supports G.711.
The final phase of the conversion to Unified Communications will be the migration to a Cisco Unity solution. Priorto the migration, the existing Audix voice-mail system will be used. What design issues need to be considered so that all user can access theirvoice mail?


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