1. A method of processing an incoming telephone call, the method comprising: at a recipient telephone system, receiving the incoming call including speech; identifying when a Do-Not-Disturb option is set, the Do-Not-Disturb option identifying that a user has requested not to receive telephone calls; recording the incoming call in a voicemail system when the Do-Not-Disturb option is set; performing content analysis to identify content of the speech while recording the incoming call in the voicemail system when the Do-Not-Disturb option is set, the performance of the content analysis including performing speech recognition on the speech to obtain at least one reference word that is included in the speech; interrogating a reference database with the at least one reference word to identify an associated rule; and selectively overriding the Do-Not-Disturb option based on the associated rule.