Patent ID: 7272386

Claim:
A system for handling special number calls placed from a phone instrument served by a privately served network; said phone instrument being coupled within said privately served network at one of a plurality of connection loci; the system comprising: (a) a private telecommunication switch apparatus; said private telecommunication switch apparatus controlling communications with said phone instrument from outside said privately served network during a call session; (b) a telecommunication control facility coupled with said private telecommunication switch apparatus; (c) a special number call system for receiving special number calls; and (d) a contact parameter storage means for storing a plurality of contact parameters wherein at least one of said contact parameters is selected during said call session, wherein each of said plurality of contact parameters is related to at least one of said connection loci at least during said call session and wherein said selected contact parameter is associated with said phone instrument at least during said call session; wherein said private telecommunication switch apparatus is coupled between said privately served network and said special number call system for effecting communications between said privately served network and said special number call system; wherein said contact parameter storage means is separately coupled to said private telecommunication switch apparatus and to said special number call system for identifying at least one contact parameter relating to said one of said plurality of connection loci at least during said call session; wherein said private telecommunication switch apparatus, said telecommunication control facility and said special number call system cooperate in using said contact parameter to effect call back from said special number call system to said phone instrument at least during said call session; and wherein said special number call system obtains an identification of the one of the plurality of connection loci associated with said phone instrument by querying said contact parameter storage means during said call session.