JavaScript tracking script is needed only if you wish to dynamically insert phone numbers to track calls from Display Ad Clicks.
Yes! The AvidTrak JavaScript tracks clicks from all display ad networks, search networks and all other traffic sources.
To get really granular data allocate 1 number for each Creative-Publisher combination. To measure calls from Display Ad clicks, allocate as many call tracking numbers as the number of hourly clicks you receive from Display Ads. To get hourly traffic rates refer to your Google Analytics account.
Yes, AvidTrak supports custom tags! Setup is very easy and may be accomplished in minutes.
Yes, you may configure your Display Ad call tracking numbers to route calls based upon the tags placed within the Display Ads.