Call content management for mobile devices

A system comprising:

• a content delivery device configured to:
• hash a plurality of telephone numbers of a plurality of mobile devices uploaded from a content provider entity prior to storage of the plurality of telephone numbers in the content delivery device;
• initiate a calling device to begin calling the plurality of mobile devices, based on a received confirmation that call content was received at the plurality of mobile devices;
• and
• store the hash for one or more of the plurality of telephone numbers and a token that corresponds to identify the one or more of the plurality of telephone numbers which is received from one or more of the plurality of mobile devices which received a call.

A non-transitory computer readable storage medium configured to store one or more instructions that when executed by a processor cause the processor to perform:

• hashing a plurality of telephone numbers of a plurality of mobile devices uploaded from a content provider entity prior to storing the plurality of telephone numbers in the content delivery device;
• initiating a calling device to begin calling the plurality of mobile devices, based on a received confirmation that call content was received at the plurality of mobile devices;
• and
• storing the hash for one or more of the plurality of telephone numbers and a corresponding token identifying the one or more of the plurality of telephone numbers which is received from one or more of the plurality of mobile devices which received a call.