Patent ID: 7853199
Filing Date: 2010-12-14
Classification: H04M

Abstract:
1. A method for providing alarm notification and two-way voice communication for a hybrid data/voice system, said method comprising: sending an alarm notification from a remote communication device to a central station using a data transmission method; associating the alarm notification with a central station telephone number operable with a voice transmission method, said step of associating comprising the steps of: the central station selecting a line number from a plurality of line numbers having a corresponding central station telephone number; the central station verifying the availability of the selected line number; the central station sending, using the data transmission method, an acknowledgement message of the alarm notification to the remote communication device, when the line number is available, the acknowledgement message containing the central station telephone number corresponding to the line number selected by the central station; and initiating a two-way voice communication between said remote communication device and a the central station using a voice transmission method.