Thank you for your question.
Here are some different tactics that various employers take to on-call pay:
North Carolina State University
One hour of work time=eight hours of on-call (but non-working time)
"One hour compensatory time is awarded for eight hours on-call, or
$1.50 per hour on call ($12.00 per eight hour shift) is paid."
If they return to work, they are paid the going rate that they usually would.
University of North Carolina at Chapel Hill
"The University's on-call rate is $3.00 per hour for positions in:
* Medical / Health Care
* Information Technology
* Skilled Trades
The University's on-call rate is $2.00 per hour for any other
positions that meet the definition of on-call status."
"Employees required to return to work shall receive a minimum of two
hours paid time for callback at the employee's hourly rate. If the
time on callback exceeds two hours, the employee shall be compensated
for all hours worked on callback.
Employees responding via telephone/computer shall receive a minimum of
30 minutes as paid time at the employee's hourly rate for each
occasion of callback. If more than one callback occurs within a given
shift, total callback time cannot exceed two hours unless the time
actually worked exceeds two hours."
Clinical Center, Natioinal Institutes of Health
"On-call is a "special" Title 38 premium pay whereby an employee
receives 10% of his/her basic overtime rate for each hour of on-call
duty outside his/her regular work hours."
"Pay for call time worked includes the employee's base rate and any
applicable differential. Call time worked is paid at straight time
unless the employee has worked 40 hours within the work week, in which
case it will be paid at time and one half."
University of Florida
"On-call pay for the period an employee is required to be on-call
during their regular work week is $2 per hour.
For an employee who is on-call on Saturday, Sunday, and/or a
university holiday or official closing ?the employee must be paid for
each hour he or she is required to be available at the rate of
one-third of the statewide hourly minimum for his or her class."
Culpepper Global Benefits Surveys
A study found that 61% of businesses provide this kind of pay to their
workers and also included the following findings:
" *It is common for companies to provide such additional
compensation to hourly and salaried employees in a different manner.
When an hourly employee is provided overtime for on-call hours,
the rate is most commonly 1.5 times the normal hourly rate paid to the
Companies paying flat amounts of additional compensation provide
higher amounts to salaried employees than to hourly employees.
Nearly all companies require on-call employees to carry a mobile
communications device, and nearly all provide the device at no cost to
That site has some useful tables rating what different companies paid
to their on-call technical workers.
on call salary
on call pay
If you need any additional clarification before rating, let me know
and I'll be glad to assist you.