US Patent 11778104 Systems and methods for suggesting contacts

An example method of suggesting contacts in a communications routing system includes: routing, via a routing engine, communications events between a communications device and a plurality of further communications devices coupled to the communications routing system as VoIP calls using respective VoIP telephone numbers; storing, for a user account associated with the communications device, a contact database representing VoIP telephone numbers stored in a contact tracking application of the communications device; storing, in the contact database for the user account, a log of communications events including a record for each new telephone number; and when the record for a new telephone number satisfies a threshold condition, providing a prompt, at the communications device, to add the new telephone number to the contact tracking application.