Hello Everyone
In phone call activity is there a way to display in "to" field only contacts related to company selected in "regarding" field?
Thanks
You have to write some JavaScript code to do this. You cna take diea from below link.
http://mahenderpal.wordpress.com/2011/10/04/create-custom-filtered-lookup-to-filter-records-based-on-start-and-end-date-in-ms-crm-2011/