Inventor
SCHAEFER BRADLEY R
US13 patents
Patents
13 patentsUS6999782B2Feb 14, 2006
Method for joining dispatch calls
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US6990081B2Jan 24, 2006
Conference call bridge arrangement
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US6976081B2Dec 13, 2005
Session initiation protocol compression
MOTOROLA INC26 citations92
US6639973B1Oct 28, 2003
Mobile originator call control
MOTOROLA INC24 citations90
US7231223B2Jun 12, 2007
Push-to-talk call setup for a mobile packet data dispatch network
MOTOROLA INC15 citations76
US7054302B2May 30, 2006
Method and apparatus for interworking dispatch services network
MOTOROLA INC9 citations73
US7016315B2Mar 21, 2006
Token passing arrangement for a conference call bridge arrangement
MOTOROLA INC9 citations73
US7002987B2Feb 21, 2006
Common services and applications agent
MOTOROLA INC3 citations62
US7321768B2Jan 22, 2008
Roaming services using home location register
MOTOROLA INC4 citations61
US7149516B2Dec 12, 2006
User controlled home location register
MOTOROLA INC5 citations61
US7711382B2May 4, 2010
Method for dynamic group call
MOTOROLA INC2 citations58
US6973325B2Dec 6, 2005
Temporary block flow allocation method
MOTOROLA INC1 citations52
US7742450B2Jun 22, 2010
Method for efficient bearer traffic routing in a communication system
MOTOROLA INC0 citations51