System and method for providing location and call back information for special number calls from phone sets serviced by a privately served network

A system for handling emergency service calls placed from a selected phone instrument of a plurality of phone instruments served by a private branch exchange;

• said selected phone instrument being coupled with said private branch exchange at a connection locus for a call session;
• the system comprising:
• (a) a private telecommunication switch apparatus controlling communications with said selected phone instrument;
• (b) a telecommunication control facility coupled with said private telecommunication switch apparatus and with an emergency service call system;
• and
• (c) a contact parameter storage means coupled with at least one of said private telecommunication switch apparatus and said emergency service call system for identifying at least one contact parameter relating to said connection locus at least during said call session;
• said private telecommunication switch apparatus, said telecommunication control facility and said emergency service call system cooperating in using said contact parameter to effect call back from said emergency service call system to said selected phone instrument at least during said call session.

A method 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 a connection locus;
• the method comprising the steps of:
• (a) in no particular order:
• (1) providing a private telecommunication switch apparatus for controlling communications with said phone instrument from outside said privately served network during a call session;
• (2) providing a telecommunication control facility coupled with said private telecommunication switch apparatus and with a special number call system for effecting communications between said privately served network and said special number call system;
• and
• (3) providing a contact parameter storage means coupled with at least one of said private telecommunication switch apparatus and said special number call system for identifying at least one contact parameter relating to said connection locus at least during said call session;
• and
• (b) operating said private telecommunication switch apparatus, said telecommunication control facility and said special number call system to 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.