Telephonic communications – Special services – Service trigger
Reexamination Certificate
2005-07-12
2005-07-12
Deane, Jr., William J. (Department: 2642)
Telephonic communications
Special services
Service trigger
C379S207020, C379S201100, C379S212010
Reexamination Certificate
active
06917676
ABSTRACT:
A telephone12aconnected to a local area network10, comprising a means for requesting during communication a response from another receiver-side telephone12bindicating its availability to receive a call, and a means for notifying the address of the receiver-side telephone12bthat responded to the caller-side telephone22a.
REFERENCES:
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R. Sparks, “SIP Call Control Transfer”, Internet Engineering Task Force, Internet Draft, Jul. 2000, pp. 1-17.
Noji Masaru
Saito Tadashi
Sasaki Takahiro
Yoshida Takahiro
Deane, Jr. William J.
Hitachi , Ltd.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
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