Apparatus and method for selectively initiating a data call...

Details Apparatus and method for selectively initiating a data call... Apparatus and method for selectively initiating a data call...

2011-04-26

2011-04-26

Urban, Edward (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S517000, C455S519000, C455S520000

Reexamination Certificate

active

07933622

ABSTRACT:
Apparatus and method for selectively enabling an early push-to-talk (PTT) call set up request in a wireless communications network. When a user activates a directory application on a wireless device, the wireless device checks for network information received from a base station. If the network information indicates that the network is of a predetermined type and can advantageously set up the PTT call, the wireless device enables the early PTT call set up request by sending a data channel set up request to the base station. If the network information does not indicate the network is of the predetermined type, the wireless device does not send any data channel request to the base station until the user has actually initiates a PTT call.

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International Search Report—PCT/US07/062596, International Search Authority—European Patent Office—Nov. 21, 2007.
Written Opinion—PCT/US2007/062596, International Search Authority, European Patent Office, Nov. 21, 2007.

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