Apparatus and method for broadcasting an emergency warning over a telephone network
OwnerPeter Schweitzerinventor
Life of this patent
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Abstract
The emergency center can issue a broadcast signal destined to travel on a common channel signaling network. Switching equipment includes a switch for a switched telephone network. This switch can (a) establish telephonic communications between callers and called parties over a predetermined number of subscriber lines with a standard ring pattern, and (b) transmit an emergency ring pattern over a majority of the subscriber lines in response to a single command event conveyed to the switch over the common channel signaling network.
Claims42
For a switched telephone network, switching equipment comprising:
- a switch operating in said switched telephone network and operable to:
- (a) establish telephonic communications between callers and called parties over a predetermined number of subscriber lines with a standard ring pattern, and
- (b) transmit an emergency ring pattern over a majority of said subscriber lines in response to a single command event.
For a switched telephone network employing a common channel signaling network, switching equipment comprising:
- a switch operating in said switched telephone network and operable to:
- (a) establish telephonic communications between callers and called parties over a plurality of subscriber lines with a standard ring pattern, and
- (b) transmit an emergency ring pattern in response to a single command event conveyed to said switch over said common channel signaling network.
In a communications system having a switched telephone network and a common channel signaling network, an emergency broadcast system comprising:
- an emergency center for issuing a broadcast signal destined to travel on said common channel signaling network and having information designed to initiate on said switched telephone network:
- (a) switching that simultaneously connects a plurality of telephones;
- and
- (b) transmission of a distinct ring pattern to said plurality of telephones.
A method employing a switched telephone network and a common channel signaling network for broadcasting an emergency signal, comprising the steps of:
- receiving a broadcast signal on said common channel signaling network;
- performing switching on said switched telephone network in response to said broadcast signal in order to simultaneously connect a plurality of telephones;
- and
- transmitting an emergency ring pattern to said plurality of telephones.
A method employing a switched telephone network and a common channel signaling network for broadcasting an emergency signal in response to a single command event, comprising the steps of:
- establishing telephonic communications between callers and called parties over a predetermined number of subscriber lines with a standard ring pattern, and
- transmitting an emergency ring pattern over a majority of said subscriber lines in response to a single command event.
Dependencies are inferred from the claim text.