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Setting the Stage23handle. They researched the available application set for enhanced directorymanagement and settled on the Voice Office Quick Complete Directory.With this application, the Lightweight Directory Access Protocol(LDAP) 2 directory is loaded directly into the Application Gateway, whicheliminates the need to repeatedly synchronize the call-manager directoryevery time a change occurs. It also eliminates the need for the call managerto do real-time LDAP lookup over the network each time the directoryis used, thus reducing the total traffic flowing across the productionenvironment.Because of the way the Voice Office Quick Complete Directory “prunesthe directory tree” when a user types a name into the system, fewer keystrokes are required to find the requested name. The application requiresa single keystroke per letter.Important—But Not Here YetThe advantages that VoIP offers to companies that consider it for theirinfrastructure needs can be compelling. However, they don’t all arrive atonce, and in some cases don’t arrive at all. “One area that we are lookingforward to as things evolve—but for which we don’t yet have an immediateneed—is savings on long distance,” Dusini told me in a follow-upmeeting. “A lot of large businesses go to VoIP because of the perceptionthat they will save a great deal on long-distance dollars, and for some ofthem that becomes a very pleasant reality. This is not yet a big driver forus. We may eventually find a reason to take advantage of LD savings, butinitially our interest is in making the organization easier to change, supportingwork-at-home employees and students, and taking care of ourout-of-country people.“There are also some cultural considerations around expectations thatthe network is rock-solid that we have to take into account. VoIP is verygood, but it does have its own unique set of peculiarities that are service2LDAP is used to access information directories. It is based on the standards contained withinthe OSI X.500 standard but is significantly simpler. And unlike X.500, LDAP supports TransmissionControl Protocol (TCP)/IP. LDAP is not yet widely implemented but will ultimatelymake it possible for an application running on virtually any computer to obtain and act ondirectory information. And because LDAP is an open standard, applications have no need tobe concerned about the type of server hosting the application.