Police are looking for a man in connection with racially aggravated harassment towards two people in Eastbourne.
The victims have been persistently called at work since August this year.
Officers now want to talk to Stephen Cooke, 52, from High Wycombe, who is known to spend time in the Crawley, Hastings and Eastbourne areas.
He has been described as white, of a stocky build, with dark brown short wavy hair, brown eyes and a gruff voice.
Anyone with information is asked to contact police online here, or call 101 quoting reference number 1425 of 25/08.