Telephonic communications – Reception of calling information at substation in wireline... – Blocking caller id transmission
Reexamination Certificate
2008-07-22
2008-07-22
Tsang, Fan (Department: 2614)
Telephonic communications
Reception of calling information at substation in wireline...
Blocking caller id transmission
C379S142040, C379S142070, C379S088110, C379S088120, C370S352000, C370S353000, C370S354000
Reexamination Certificate
active
07403604
ABSTRACT:
An enhanced services display message protocol (ESDMP) facilitates display of messages in a compliant analog telephony device (ATD). An exemplary gateway device in a voice over packet (VOP) network can activate enhanced services in a compliant ATD using the ESDMP and includes a controller and first and second interfaces. One of the interfaces can transmit and receive communications over a VOP network. The other interface can transmit and receive voice band message data modulated according to a frequency shift keying (FSK) protocol. The ESDMP can be used to configure the gateway to activate features supported by the ATD, to update call state information and to display feature state information.
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Mundra Satish Kumar Manmal
Sindhwani Manoj
Yadavalli Satyamurthy
Brady W. James
King Simon
Shaw Steven A.
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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