Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2004-02-24
2008-09-23
Anderson, Matthew (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S090200, C455S519000, C455S520000, C455S412100, C455S414100
Reexamination Certificate
active
07428422
ABSTRACT:
A Multimedia system and a method in a Multimedia system where a first user with user equipment (1) uses a Push to talk service (PTT) to communicate with at least one second subscriber's user equipment (2) using said Push to talk service (PTT), wherein a PTT-server (3) providing the PTT-service interacts with said first and second subscriber's user equipment (1, 2) and exchanges information concerning relevant parameter values for each user equipment (1, 2), and each user equipment (1, 2) adapting its application settings during the operation of said PTT-service, whereby degradation of the perceived quality is prevented
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Swedish Patent Office, International Search Report for PCT/SE2004/000242, dated Apr. 20, 2004.
Hannu Hans
Nordberg Mats
Svanbro Krister
Synnergren Per
Anderson Matthew
Burleigh Roger S.
Rego Dominic E
Telefonaktiebolaget L M Ericsson (Publ)
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