The phrase "a simple telephone call" is correct and usable in written English.
You can use it when referring to a phone call that is straightforward or uncomplicated.
Example: "All it takes to resolve the issue is a simple telephone call to customer service."
Alternatives: "an easy phone call" or "a straightforward call".
With the test report in hand, a simple telephone call to the doctor will facilitate everyone concerned focusing on what the test revealed, good or bad.
Then one day, a simple telephone call from the Bad Guys triggered these pre-programmed Good Guys to stop whatever they were doing and, like zombies, to start attacking military bases and assassinating their own leaders.
Pay-per-view movies, for example, can be encrypted and then transmitted indiscriminately to digital VCRs, with the ultimate sale being completed by way of a simple telephone call that provides a code to unlock the content.
The telephone reminder (TEL) will be a simple telephone call to remind non-attenders that they did not attend their scheduled appointment and provide information on how they can rearrange this appointment.
The consultation may involve a simple telephone call to the doctor, or it may use the satellite connection provided for free by the public sector Indian Space Research Organization ISROO).
Generally, telespirometry was used to confirm the diagnosis; the test results in the general practice were dispatched through a simple telephone call to the lung specialist who was able to make a functional diagnosis.
A computer-based audio connection is not required a simple telephone call may suffice but a separate audio connection is required for real-time communication.
The online productions, which integrate slides, charts and graphs, are about a tenth the cost of a simple telephone conference call -- and far less than sending analysts to meet individual clients.
At time of the call, households were screened for eligibility using a simple telephone questionnaire which addressed tank type, location of household, the use of filter devices or disinfection, and the number and ages of persons in the house.
Other investors suing Bell for fraud point out that "a simple telephone call let alone a regular practice of verifying the purchase orders would have revealed that the retailers had not issued the purchase orders".
If the family member has problems completing a simple task such as dressing or buttoning a shirt, preparing a meal, placing a telephone call or playing a game this a a warning sign.
