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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
available on call
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "available on call" is correct and usable in written English.
It can be used to indicate that someone is reachable or can be contacted at any time, typically for work or emergency situations. Example: "The doctor is available on call for any urgent medical issues that may arise during the night."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(7)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
14 human-written examples
A physician and a mental health counselor are available on call when the health service is closed.
Academia
Under federal law, each hospital participating in Medicare also has to keep a list of doctors who are available, on call, to treat emergency room patients.
News & Media
Doris Smith, a senior investigator in the Los Angeles City Department of Transportation, said that 127 were now in service with 10 major companies, all available on call to the dispatcher.
News & Media
Schroeder is available on call for Oshie, and if Oshie wakes up from a pregame nap with a stiff neck, for example, he can text Schroeder for immediate instructions about how to work out the stiffness with the ARP.
News & Media
However, they must be dedicated to it and available on call.
News & Media
Taxis, known as city taxis, are usually available on call.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
46 human-written examples
On the call, a cleaner's car trouble meant that the company had to scramble to find a replacement (it helps that Homejoy pays some of its top cleaners to remain available on-call), and the aforementioned unhappy customer ended up getting a free cleaning — which seemed to to make up for a lot of the stress.
News & Media
During the afternoons and week-ends (4 pm-8 am Monday to Friday, and from Saturday 1 pm to Monday 8 am) orthopaedic specialists are not on active service in-hospital but only available on-call.
Science
At half of the program sites, the linkage coordinator was located in the same facility where HIV testing was conducted, or was available "on-call" by pager or cell phone to meet with the client in person immediately after the HIV-positive test result was delivered.
Science
Surveys show that Americans want to have a trusted, personal physician available to call on under all health circumstances.
News & Media
On-call scheduling refers to scheduling policies that require employees to be "on call" and available to work during certain time periods, but do not compensate those employees unless they are actually called in.
News & Media
Expert writing Tips
Best practice
When using "available on call", ensure the context clearly indicates the method of contact (e.g., phone, pager) and the expected response time. For example: The doctor is "available on call" via pager for emergencies.
Common error
Avoid using "available on call" when the person or service has limited availability or specific conditions apply. For instance, don't say a technician is "available on call" if they can only respond during business hours.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "available on call" functions primarily as an adjective phrase modifying a noun (usually a person or service). It describes a state of readiness and accessibility. Ludwig AI confirms this usage through its examples.
Frequent in
News & Media
30%
Science
30%
Academia
20%
Less common in
Wiki
10%
Formal & Business
5%
Reference
5%
Ludwig's WRAP-UP
The phrase "available on call" is a common and grammatically sound way to describe someone or something that is reachable and ready to respond, often outside regular hours. Ludwig AI confirms the correctness and usability of this phrase, it's primary function as an adjective, and various contexts, ranging from news and media to science and academia. While the phrase conveys a sense of reliability, it's essential to use it accurately, avoiding overstatements about availability. Alternatives like "on standby" or "readily accessible" can offer nuanced variations in meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
reachable by phone
Focuses on the means of communication being phone calls.
on standby
Implies a state of readiness to respond immediately.
at the ready
Similar to on standby, but with a slightly more formal tone.
readily accessible
Emphasizes ease of access.
on duty
Indicates a scheduled period of availability, typically for work.
on deck
Similar to on duty, but frequently used in sport context.
within easy reach
Highlights the proximity and availability of someone or something.
immediately contactable
Stresses the ability to get in touch without delay.
prepared to assist
Focuses on the willingness and readiness to help.
standing by to respond
Highlights readiness to react to a request or situation.
FAQs
What does it mean to be "available on call"?
Being "available on call" means that someone is reachable and ready to respond to requests or emergencies, usually by phone or pager, outside of regular working hours. It indicates a commitment to be accessible when needed.
How do I use "available on call" in a sentence?
You can use "available on call" to describe someone's readiness to respond. For example, "The IT support team is "reachable by phone" 24/7." Or, "A nurse is "on standby" for any urgent medical issues."
What are some alternatives to saying "available on call"?
Alternatives include "on standby", "readily accessible", or "immediately contactable", depending on the specific nuance you want to convey.
Is it redundant to say someone is "available" and "on call"?
While both words suggest accessibility, "on call" specifically implies being ready to respond to a summons or request, often outside of normal working hours. Saying someone is "available" generally refers to their current accessibility, without implying a duty to respond.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested