UK "unobtainable"/"wrong number" tone, heard on UK land lines. I reproduced it from the ETSI ETS300-001 specification.
July 6th, 2008
UK "Special Information" or "tritone"/"triple tone", heard on UK land lines. I reproduced it from the ETSI ETS300-001 specification.
July 6th, 2008
UK ringing tone, heard on UK land lines. I reproduced it from the ETSI ETS300-001 specification.
July 6th, 2008
UK dialling tone, heard on UK land lines. I reproduced it from the ETSI ETS300-001 specification.
July 6th, 2008
UK "congestion" or "network busy" tone, heard on UK land lines. I reproduced it from the ETSI ETS300-001 specification.
July 6th, 2008
UK "engaged" or "busy" tone, heard on UK land lines. I reproduced it from the ETSI ETS300-001 specification.
July 6th, 2008