see also, vintage telephone system sounds: https://telephoneworld.org/telephone-sounds/modern-north-american-telephone-sounds/att-general-error-recordings/ htt

see also, vintage telephone system sounds: https://telephoneworld.org/telephone-sounds/modern-north-american-telephone-sounds/att-general-error-recordings/ https://telephoneworld.org/telephone-sounds/modern-north-ame... https://telephoneworld.org/telephone-sounds/vintage-telephone-sounds/ https://telephoneworld.org/telephone-sounds/vintage-telephon...