From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
belling /bˈɛlɪŋ/
anrufend, anläutend, telefonierend, anbimmelnd, anklingelnd
Synonyms: telephoning, phoning, ringing, ringing up, calling, calling up, cooeing, giving a ring/bell/call/buzz
see: telephone sb., phone sb., ring sb., ring up sb., bell sb., call sb., call up sb., cooee sb., give sb. a ring/bell/call/buzz, telephoned, phoned, rung, rung up, belled, called, called up, cooeyed, given a ring/bell/call/buzz, rings, phones, calls, cooees, rang, phoned, called, cooeyed, give sb. a ring, give sb. a buzz, I'll give you a buzz.