
The first thing to explain about TeleNav is that it is primarily distributed through carriers as a monthly service fee. Currently, TeleNav is available for selected PDAPhones from AT&T Wireless, Alltel, Rogers, SouthernLINC, Sprint-Nextel, and Verizon Wireless. It is also also developed and made available in device specific versions. They will not let you sign up with one Windows Mobile device, just because its available on another Windows Mobile device. They want to customize and test it on each individual model device. This is good, but could delay availability for newer PDAPhones. There was a bit of a lag before they released V5.2 for the Mogul, while through testing a number of users found that V4 for the PPC-6700 worked reasonably well on the Mogul.
Aside from the monthly rental fee, there is a significant difference in how TeleNav works when compared to other purchased nagivation applications. With most other programs, you must load all of the maps that you intend to load onto your PDAPhone. With some programs like iGuidance, they have you load all the US maps on at one time, so its easy to do, but takes up a significant amount of your microSD card. For other programs like Mapopolis, you have to select the maps you are going to use by state and county, and load them before a trip. None of this is done with TeleNav... there are no maps ever resident on your PDAPhone. TeleNav is a client/server type application. You select where you want to go, and it accesses a large server and pulls the data for the trip or location back to your device for display. On the one hand, this is bad because you need a data connection to use TeleNav. But on the other hand it is good because the maps are always updated, AND, the points of interest and location search capability is much more powerful using a server than what you can do on your PDAPhone. I will now go over some of the basic functions of TeleNav.





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