hotline
n. countablen. a direct phone line that people can call to get help or information quickly. You usually call a hotline during an emergency or when you need expert advice.
n. a direct telecommunications link established for a specific purpose, often for emergency assistance or crisis intervention. Frequently used to provide immediate public access to government or medical services.
The city set up a hotline for reporting power outages.
The government launched a 24-hour hotline to provide citizens with immediate updates during the national health crisis.
Establishing a dedicated crisis hotline proved essential for the non-profit, as it allowed trained counselors to intervene immediately when callers were in acute psychological distress.
From hot + line.
Often used with the verbs 'call', 'set up', or 'operate'.