A method, system and apparatus for name-alias based delivery of services through the public switched telephone network (PSTN). A method for resolving caller identity in a PSTN can include detecting an attempt to establish a telephone call between a calling party and a called party and prompting the calling party from within the PSTN for clarifying information. An alias for the calling party can be resolved based upon the clarifying information. Subsequently, the alias can be forwarded to the called party for use by the called party in identifying the calling party at the time of the telephone call.