ABC, CBS, CNN, Fox News and NBC take turns filming the president under a long-running arrangement, sharing footage with each other and with newsrooms worldwide.
Monday's assignment belonged to CNN, which was due to travel with Trump to New York for the UN General Assembly.
Rather than send a substitute crew, the four other networks stood down alongside CNN.
"The public has a vital interest in receiving accurate, independent information about its government. No administration should restrict a news organization because it objects to its reporting," the networks said in a joint statement.
The blackout follows Trump's announcement on Friday that he was excluding CNN, MS NOW and Politico from the White House, accusing them of publishing falsehoods about him and his administration.
Reporters from the three outlets were turned away from the grounds the next day.
All three outlets sued Trump on Monday, arguing the exclusion breaches constitutionally protected press freedoms.
Bryan Boughton, the Fox News Washington bureau chief who currently chairs the pool, confirmed the walkout in an email to subscribers.
"This follows the White House's position preventing CNN from fulfilling its assigned pool duties," he wrote, adding that other pool functions, including coverage of Congress, would continue unaffected.
Under the rotation, each network supplies a camera operator, sound engineer and producer or reporter for the day, relaying live footage and notes to subscribing outlets.
Vice President J.D. Vance defended the White House's decision on Monday.
He told reporters Trump was not banning any outlet from reporting on the administration, but was withdrawing special access from organisations he considers guilty of spreading propaganda.
Vance said the excluded outlets could still cover White House events using publicly available information and continue speaking with officials, both within the administration and outside it, but would no longer receive privileged access to the building.
(jh/gs)
Source: PAP, cnn.com