Appeal No. 2000-2276
Application No. 08/727,730
Claim 1 is illustrative of the claimed invention, and it
reads as follows:
1. In a wireless digital communications system
receiving a modulated wireless signal from a digital
telephone, the digital telephone having a subscriber
telephone number and a vocoder for compression of voice
signals to generate digital vocoder voice samples in a
vocoder protocol specifically adapted for the wireless
digital communications system, the modulated wireless signal
carrying an encoded form of the digital vocoder voice
samples as encoded, digital voice samples for a destination
telephone number, a system comprising:
a first wireless transceiver having a demodulator
demodulating the received modulated wireless signal and
outputting a first data stream carrying the encoded, digital
voice samples;
a decoder decoding the encoded, digital voice samples
and in response outputting said digital vocoder voice
samples from the first data stream in said vocoder protocol;
and
a gateway interface sending and receiving packet data
via a packet switched network, the gateway interface having
a packet assembler/disassembler receiving said digital
vocoder voice samples in the vocoder protocol, the packet
assembler/disassembler packetizing the received digital
vocoder voice samples into data packets having a destination
address corresponding to said destination telephone number,
the gateway interface outputting said data packets onto the
packet switched network for reception by a network node
corresponding to said destination address.
The references relied on by the examiner are:
Goodman 4,916,691 Apr. 10, 1990
Pohjakallio 5,502,721 Mar. 26, 1996
Glaser et al. (Glaser) 5,793,980 Aug. 11, 1998
(filed Nov. 30, 1994)
2
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