Telecommunication Service Employing an Electronic Information Repository Storing Social Network User Information, Developer Information, and Mobile Network Operator Information

A method for servicing communication involving social network users of an online social network service, comprising:

• registering a given device identifier for association with a respective social network user by communication to and from the device identified by the given device identifier given device;
• storing in an information repository in electronic form social network user information corresponding to a respective social network user, the social network user information comprising a user identifier and at least one device identifier associated with the respective social network user by the device registration logic block;
• receiving a message generated by a social network messaging application in response to a request to initiate a telecommunication function involving at least a first social network user, wherein the message comprises at least a first social network user identifier associated with the first social network user;
• retrieving from the information repository a first device identifier associated with the first social network user identifier;
• and
• initiating the telecommunication function.