Optimization of reduncancy and throughput in an automated...

Optimized cell recovery in a mobile radio communications...

Optimized routing of calls to roaming subscribers within a...

Optimized routing of mobile calls within a...

Optimized routing of terminating calls within a mobile...

Optimizing call-center performance by using predictive data...

Optimizing call-center performance by using predictive data...

Optimum routing of calls over the public switched telephone...

Opto electronic switching network

Optoelectronic compound switching matrix

Optoelectronic spatial switching device

Optoelectronic switching matrix

Organization chart based call information routing

Orthogonal frequency division multiplexing based spread...

Output encoder for key switch matrix

Overhead cabling system for telecommunication switching center

Overload control in a communications network

Overload control method for a packet-switched network

Overload prevention in a service control point (scp)

Overload prevention in a telecommunications network node