8. The method of claim 1 , wherein the operation of causing a response option to be displayed on a display of the second communication device of the called party comprises: causing the second communication device to display a list of system-defined text message follow-through options for selection by the called party.
8. The method of claim 1 , wherein the operation of causing a response option to be displayed on a display of the second communication device of the called party comprises: causing the second communication device to display a list of system-defined text message follow-through options for selection by the called party. 9. The method of claim 8 , wherein the operation of causing the second communication device to display a list of system-defined text message follow-through options comprises: causing the second communication device to display an option for the called party to request a call-back from the calling party; and causing the second communication device to display an option for the called party to request a text message response from the calling party.