26. The method of claim 10 , wherein obtaining the registered unique keyword comprises: sending, by the user mobile device, an initial user message comprising a pre-designated keyword for requesting access to content using the GTP; and receiving, by the user mobile device and in response to the initial user message, an initial GTP message comprising a plurality of registered unique keywords, wherein the plurality of registered unique keywords are registered with the GTP by a plurality of publishers, wherein the registered unique keyword is selected by the user from the plurality of registered unique keywords.
28. The method of claim 26 , wherein the initial user message is a conversationless phone call from the user mobile device using a phone number of the GTP, and wherein the pre-designated keyword is null.