Русско-англо-русский юридический словарь

"When you think the cost for a doctor's call-out was something in the region of £2-£3 when actual monetary income for a year was around £20-£30." (BBC)

Interpreters work on a call-out basis and are paid by the hour, with pay scales based on experience. (Chronicle Live)

We offer full planned maintenance contracts for all equipment that we supply, and additionally we can operate on a call-out basis. (soc8.co.uk)