Phone English Note American On/Over Phone/Telephone/Ring/Call Person/Place/Number Promise

phone/telephone/ring/call a person/place/number (WITHOUT to ): 'You must promise to phone me as soon as you get there.'

Note that speakers of American English do not use ring for this meaning.

In British English the phrase is (talk/speak to sb) on/over the phone (NOT by phone ): 'He didn't want to discuss it over the phone.'

Note that in American English both by phone and on/over the phone are used, although by phone is not common.