9. A server system for converting visual content information in an image into audio content and providing the audio content for presentation, the server system comprising: one or more network interfaces configured to provide access to a network; one or more servers, coupled to the one or more network interfaces, the one or more servers to execute instructions to: transmit first content via the network to a first end-user device to facilitate a user interface presented by an application of the first end-user device to prompt input comprising an image; process a first transmission received from the first end-user device via a network by the server system, the first transmission (a) comprising an image, the image comprising visual content information and provided as input via the user interface, and (b) corresponding to a request from an advertiser; responsive to the request from the advertiser, generate, audio content based at least in part on the image included in the visual content information at least in party by: analyzing the visual content information to extract meaningful words from the visual content information; identifying one or more limits associated with the audio content; generating a summarized text for the audio content (a) based on the meaningful words extracted from the visual content information, (b) using natural language processing to link the meaningful words based on a heuristic model and a database of words commonly used in similar content, and (c) based at least in part on the one or more limits associated with the audio content, wherein the linking of the meaningful words based on the heuristic model and the database of words commonly used in similar content generates grammatically correct text; and converting the summarized text into speech to generate the audio content and storing the audio content in an audio file; transmit via the network, the audio file storing the audio content for presentation via a second end-user device; and process a second transmission received consequent to a selection of the audio content, via the second end user device, that initiates a real-time communication connection for a call from the second end user device to the advertiser upon selection of the audio content; determine whether the call from the second end user device has been connected to the advertiser via the audio content; and responsive to determining that the call from the second end user device has been connected to the advertiser via the audio content, generating a record entry in a connection record data structure indicating that the call from the second end user device was connected to the advertiser via the audio content; and one or more storage media coupled to the one or more servers to retain the instructions.
9. A server system for converting visual content information in an image into audio content and providing the audio content for presentation, the server system comprising: one or more network interfaces configured to provide access to a network; one or more servers, coupled to the one or more network interfaces, the one or more servers to execute instructions to: transmit first content via the network to a first end-user device to facilitate a user interface presented by an application of the first end-user device to prompt input comprising an image; process a first transmission received from the first end-user device via a network by the server system, the first transmission (a) comprising an image, the image comprising visual content information and provided as input via the user interface, and (b) corresponding to a request from an advertiser; responsive to the request from the advertiser, generate, audio content based at least in part on the image included in the visual content information at least in party by: analyzing the visual content information to extract meaningful words from the visual content information; identifying one or more limits associated with the audio content; generating a summarized text for the audio content (a) based on the meaningful words extracted from the visual content information, (b) using natural language processing to link the meaningful words based on a heuristic model and a database of words commonly used in similar content, and (c) based at least in part on the one or more limits associated with the audio content, wherein the linking of the meaningful words based on the heuristic model and the database of words commonly used in similar content generates grammatically correct text; and converting the summarized text into speech to generate the audio content and storing the audio content in an audio file; transmit via the network, the audio file storing the audio content for presentation via a second end-user device; and process a second transmission received consequent to a selection of the audio content, via the second end user device, that initiates a real-time communication connection for a call from the second end user device to the advertiser upon selection of the audio content; determine whether the call from the second end user device has been connected to the advertiser via the audio content; and responsive to determining that the call from the second end user device has been connected to the advertiser via the audio content, generating a record entry in a connection record data structure indicating that the call from the second end user device was connected to the advertiser via the audio content; and one or more storage media coupled to the one or more servers to retain the instructions. 12. The server system of claim 9 wherein the audio content is transmitted for presentation on behalf of the advertiser in accordance with a callable time window associated with the advertiser.