The phrase "active contact with" is correct and usable in written English.
It can be used to describe ongoing communication or interaction with someone or something.
Example: "The organization maintains active contact with its members to ensure their needs are met."
Alternatives: "ongoing communication with" or "regular interaction with".
European and American investigators said Iran cut back on its active contact with the network in the mid-1990's.
Fifty-three Polish Cold Blood Horses (CBHs) were tested with the battery of behavioural tests involving passive and active contact with humans, handling, startling, novel object and surface tests.
We are in active contact with our Customer Support operations and are aware of a small number of instances of material separation.
Grasping is a kind of active contact with objects in the environment.
Our current phone-based and face-to-face customer service is excellent, but requires that potential customers make active contact with the company to learn about us.
Briefly, ABCs sites maintain active contact with clinical laboratories to identify all cases and perform audits of laboratory records at least every 6 months to ensure complete reporting.
She maintained active contacts with Indian, Irish, and Egyptian revolutionaries and liaised with French Socialists and Russian leadership.
If the retailer is to provide reasonably adequate service to his customers, he must have active contacts with others who specialize in making or handling bulk quantities of whatever is his stock-in-trade.
In this study, regular, active contacts with the cohort members (= active surveillance) should provide all necessary information on health-related events or changes in health status.
In general, the trends depend on the geometry of the problem, namely, on the position of the active contacts with respect to the fiber under test.
Patterns at these individual sites are similar to those found at some sites in southern France, and a more thorough geographic context provided by finer-scale sampling will be needed to help determine whether they belong to active contact zones with ongoing introgression or instead represent populations left in the genetic wake of a contact zone that shifted away.
