Calculation of quality of wlan access point characterization...

Calibration of positioning systems

Calibration of transmit and receive chains in a mimo...

Call admission control for wi-fi

Call back method

Call cost indicator for mobile devices

Call delivery systems for roaming prepaid subscribers

Call destination number mapping methods, devices and systems

Call forwarding in a mobile communication system

Call forwarding methods and apparatus for mobile...

Call intercept capability in a global mobile satellite...

Call intercept methods, such as for customer self-support on...

Call processing in mobile telecommunications networks

Call processing system and method

Call redirection zones for wireless communications

Call routing method and apparatus thereof

Called mobile subscriber present status

Called party availability announcement in a radio...

Carrier switching in a multi-carrier wireless communication...

Cdma communication system which selectively allocates...