7. The call processing system as defined in claim 1 , wherein the identification of the subset of words of the voice communication text is based at least in part on one or more keywords.
1. A call processing system comprising: at least one computer processor; and non-transitory memory, which is operably connected to the at least one computer processor, and embodied with a computer program comprising instructions that when executed by the at least one computer processor cause the call processing system to perform operations comprising: receiving a call over a network from a caller directed to a first user device of a user of the call processing system; converting at least a portion of a caller's voice communication associated with the call into a voice communication text; identifying a subset of words in the voice communication text; analyzing at least the content of the identified subset of words of the voice communication text; and promoting to the user of the call processing system, to whom the call was intended, one or more products, services, or products and services via a displayed user interface of an application on a second user device distinct from the first user device to which the received call was directed, based at least in part on the analysis of the content of the identified subset of words of the caller's voice communication text.