Automated attendant with direct inward system access
First Claim
1. Apparatus for connecting an outside caller to an extension of a local exchange having a direct inward system access (DISA) feature, comprising:
- a processor;
a memory coupled to said processor storing at least one predetermined security code;
a dialing information receiver controlled by said processor for receiving dialing information including a group code input from an outside caller;
a memory coupled to said processor and said receiver for storing said dialing information, and storing second dialing information including the extension number of said extension, said processor operable to correlate said dialing information with said second dialing information; and
a transmitter coupled to said processor and said local exchange for transmitting said security code and second dialing information to said local exchange.
16 Assignments
0 Petitions
Accused Products
Abstract
Apparatus (24) for connecting an outside caller (10) to an extension (14) of a local exchange (16) having a direct inward system access (DISA) feature includes a processor (90) and a memory (93) coupled to the processor (90) for storing at least one predetermined security code. A dialing information receiver (58) is controlled by the processor (90) to receive dialing information input from the outside caller (10). A second memory (94) is coupled to the processor (90) and the receiver (58) for storing the dialing information. A transmitter (58) is coupled to the processor (90) and the local exchanger (16) for transmitting second dialing information related to the dialing information to the local exchange (16). The processor may make a correlation between the dialing information and the second dialing information, or the dialing information may be passed through unchanged as the second dialing information. The apparatus preferably employs a standard trunk connection (34) between the apparatus (24) and the local exchange (16).
310 Citations
8 Claims
-
1. Apparatus for connecting an outside caller to an extension of a local exchange having a direct inward system access (DISA) feature, comprising:
-
a processor; a memory coupled to said processor storing at least one predetermined security code; a dialing information receiver controlled by said processor for receiving dialing information including a group code input from an outside caller; a memory coupled to said processor and said receiver for storing said dialing information, and storing second dialing information including the extension number of said extension, said processor operable to correlate said dialing information with said second dialing information; and a transmitter coupled to said processor and said local exchange for transmitting said security code and second dialing information to said local exchange.
-
-
2. Apparatus for connecting an outside caller to an extension of a local exchange having a direct inward system access (DISA) feature, comprising:
-
a processor; a memory coupled to said processor storing at least one predetermined security code; a dialing information receiver controlled by said processor for receiving dialing information including a group code input from an outside caller, a predetermined digit of said dialing information disabling a dial back out capability when detected by said processor; a memory coupled to said processor and said receiver for storing said dialing information, and storing second dialing information including the extension number of said extension, said processor operable to correlate said dialing information with said second dialing information; and a transmitter coupled to said processor and said local exchange for transmitting said security code and second dialing information to said local exchange.
-
-
3. Apparatus for connecting an outside caller to an extension of a local exchange having a direct inward system access feature, comprising:
-
a processor; a memory coupled to said processor for storing at least one predetermined security code; a dialing information receiver controlled by said processor for receiving dialing information input from an outside caller; a memory coupled to said processor and said receiver for storing said dialing information; a transmitter coupled to said processor and said local exchange for transmitting said security code and second dialing information relating to said dialing information to said local exchange; and at least one standard telephone trunk for connecting said apparatus to said local exchange.
-
-
4. Apparatus for connecting an outside caller to an extension of a local exchange having a direct inward system access (DISA) feature, comprising:
-
a processor; a memory coupled to said processor for storing at least one predetermined security code; a dialing information receiver controlled by said processor for receiving dialing information input from an outside caller; a memory coupled to said processor and said receiver for storing said dialing information; a transmitter coupled to said processor and said local exchange for transmitting said security code and second dialing information related to said dialing information to said local exchange; and a switch matrix controlled by said processor for selectively coupling said receiver to said outside caller, said transmitter to said local exchange, and said local exchange to said outside caller.
-
-
5. Apparatus for connecting an outside caller to an extension of a local exchange having a direct inward system access (DISA) feature, comprising:
-
a processor; a memory coupled to said processor for storing at least one predetermined security code; a dialing information receiver controlled by said processor for receiving dialing information input from an outside caller; a memory coupled to said processor and said receiver for storing said dialing information; a transmitter coupled to said processor and said local exchange for transmitting said security code and second dialing information relating to said dialing information to said local exchange; interface circuitry controlled by said processor for obtaining access to the local exchange, said interface circuitry further operable by said processor to couple said outside caller to an extension of said local exchange corresponding to said second dialing information after said local exchange has received said security code and said second dialing information; a dial tone receiver controlled by said processor and coupled to said local exchange for receiving a dial tone therefrom; and a ring generator of said interface circuitry operable by said processor to transmit ringing current to said local exchange, said local exchange generating said dial tone in response to receiving said ringing current, said interface circuitry operable by said processor for selectively coupling said outside caller to said local exchange in response to said dial tone receiver receiving said dial tone.
-
-
6. Apparatus for connecting an outside caller to an extension of a local exchange having a direct inward system access (DISA) feature, comprising:
-
a processor; a memory coupled to said processor storing at least one predetermined security code; a dialing information receiver controlled by said processor for receiving dialing information including a group code input from an outside caller, a leading digit of said dialing information when matched by said processor to a predetermined digit prevents an outside caller from placing an outside call and billing said call to said local exchange; a memory coupled to said processor and said receiver for storing said dialing information; and a transmitter coupled to said processor and said local exchange for transmitting said security code and second dialing information related to said dialing information to said local exchange.
-
-
7. Apparatus for connecting an outside telephone caller to an extension of a private branch exchange switching system, comprising:
-
a request-for-service detector coupled to a central office trunk for detecting a service request transmitted on said trunk and operable to generate a service request signal in response thereto; a processor coupled to said detector for receiving said service request signal; a switching matrix controlled by said processor for selectively coupling said central office trunk to said private branch exchange switching system; at least one receiver coupled to said processor and selectively coupled by said switching matrix to said central office trunk for receiving dialing information from an outside caller coupled to the central office; said processor operable to receive said dialing information from said receiver, a memory associated with said processor for storing at least one security code; a ringing generator controlled by said processor, a standard trunk line coupling said private branch exchange to said switching matrix, said ringing generator coupled to said switching matrix for selectively transmitting ring current to said private branch exchange, said private branch exchange operable to close a current loop including said standard trunk line in response to said ring current; a loop current detector coupled to said standard trunk line for detecting said loop current, said loop current detector coupled to said processor for transmitting a loop current detection signal in response to detecting said loop current; and said processor operable to receive said loop current detection signal and causing a DTMF transmitter coupled thereto to transmit said security code through said switching matrix to said private branch exchange followed by second dialing information related to said dialing information, and further operating said switching matrix to effect a connection between said private branch exchange and said central office after said private branch exchange acknowledges said ring current. - View Dependent Claims (8)
-
Specification