The phrase "establish a hotline" is correct and usable in written English.
You can use it when referring to the creation of a dedicated phone line for communication, support, or reporting purposes.
Example: "The organization decided to establish a hotline for victims of domestic violence to provide immediate assistance."
Alternatives: "set up a hotline" or "create a hotline."
In 2008 the two countries agreed to establish a hotline between their two defence ministries.
The countries agreed to conduct coordinated sea patrols and establish a hotline to combat piracy and kidnappings in surrounding waters.
During a 27 minute-meeting, they discussed the need to establish a hotline, and talks today are expected to focus on issues that divide the two countries.
The two Koreas also agreed to establish a hotline between the leaders of the two sides to ease military tensions and to be able to consult closely.
Ms. Rehnquist said that every drug company should appoint a compliance officer, establish a hotline to receive complaints of fraud and abuse and consider paying rewards to employees who report misconduct.
Abe said he asked Xi to establish a hotline aimed at preventing armed clashes over conflicting claims by the countires to a string of uninhabited islands in the East China Sea, called the Diaoyu by China and the Senkakus by Japan.
In New York, Gov. Andrew Cuomo last week announced the establishment of a special police unit to investigate hate crimes and established a hotline for potential victims to call.
The government has set prices for emergency equipment, and established a hotline for consumers who suspect price gouging.
We have established a hotline for complaints as well as researching online, and we have raised the fine for people who break the rules to €20,000".
In the aftermath of the Cuban missile crisis, the United States and the Soviet Union established a hotline between the Kremlin and the White House to allow for better crisis communications.
In 2014 Stockholm appointed a "national coordinator for protecting democracy against violent extremism", and three months ago established a hotline enabling concerned citizens to make anonymous tipoffs or find advice.
