8. A system comprising: a processor; and a computer-readable storage device having instructions stored which, when executed by the processor, cause the processor to perform operations comprising: presenting, via a client device, a notification of an incoming call to a subscriber; receiving, while presenting the notification, an input from the subscriber with regard to the incoming call, wherein the input indicates to: (1) transfer the incoming call to a voicemail system; and (2) when the incoming call results in a voicemail at the voicemail system, transcribe the voicemail into text; transferring, based on the input, the incoming call to the voicemail system; determining whether a current time is within a first time window associated with a first class of service or a second time window a second class of service to yield a determined class of service according to the current time; generating, based on the determined class of service according to the current time, a transcription of the voicemail, the transcription comprising text generated from the voicemail; and presenting the transcription on a device of the subscriber.
8. A system comprising: a processor; and a computer-readable storage device having instructions stored which, when executed by the processor, cause the processor to perform operations comprising: presenting, via a client device, a notification of an incoming call to a subscriber; receiving, while presenting the notification, an input from the subscriber with regard to the incoming call, wherein the input indicates to: (1) transfer the incoming call to a voicemail system; and (2) when the incoming call results in a voicemail at the voicemail system, transcribe the voicemail into text; transferring, based on the input, the incoming call to the voicemail system; determining whether a current time is within a first time window associated with a first class of service or a second time window a second class of service to yield a determined class of service according to the current time; generating, based on the determined class of service according to the current time, a transcription of the voicemail, the transcription comprising text generated from the voicemail; and presenting the transcription on a device of the subscriber. 14. The system of claim 8 , wherein the transcription occurs via a hybrid transcription service comprising a first class of service for a time window and a second class of service for a remainder time window, and wherein the time window and the remainder time window do not overlap and cover a consecutive twenty-four hours.