Method and system for processing calls in an architecture allowing a telephony identifier to be associated with a group of identities

A system and a method for processing calls. The system comprises a database including: a plurality of telephony identifiers; and for each telephony identifier, information regarding a group of persons that is associated with the telephony identifier, each person of the group of persons being reachable by placing a call to the telephony identifier, the information comprising, for each person of the group of persons, information related to processing of calls involving the person. The system also comprises a processing element having access to the database and being operative for: determining that a given call involves a particular person of the group of persons that is associated with a given one of the telephony identifiers; and processing the given call based on the information related to processing of calls involving the particular person. Also provided is a method for associating an additional telephony identifier with one or more identities of a group of identities that is associated with a telephony identifier, and a method for associating an additional identity with a telephony identifier that is associated with a group of identities.