IVR System - http://www.nena9-1-1.org/florida/Database%20Conf/IVR%20Access.doc (MICROSOFT WORD)

http://www.nena9-1-1.org/florida/Database%20Conf/IVR%20Access.doc (MICROSOFT WORD)
... determine which telco provides service to the telephone number at the time you are accessing the IVR system ... to the service. The IVR system does not currently contain all available ...