FIELD: physics; communications.
SUBSTANCE: during different set conditions providing source of sound for company service information as substitutive audio signal for call return, receiver can determine whether source of sound for service information for subscriber or set time interval is provided for. Present invention provides for a method and device for obtaining substitutive repeating audio signal for call return based on choice or successively in accordance with a preset condition.
EFFECT: provision for several substitutive audio signals for call return.
26 cl, 6 dwg
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