Phone rings 4X single electronic. Internal office call
Mobile phone rings X 2; electronic bird-like trilling
Single electronic phone rings X4. Internal call.
2X ascending and descending mobile phone ring, with some background talking between.
Uniden Electronic phone Distant Chirpy Ring
Phone ring X4 internal office .
Mobile phone ring tone, musical scale polyphonic.
2X single electronic phone rings
Electronic phone ring X3. Internal office call. Wide-shot perspective