An active call handover arrangement for managing a handover between a plurality of telecommunication devices associated with a public extension number is provided. The arrangement includes a mobility server configured to manage a telecommunication session between a telecommunication device of a third-party...http://www.google.fr/patents/US7565159?utm_source=gb-gplus-shareBrevet US7565159 - Methods and arrangement for implementing an active call handover by employing a switching component
Methods and arrangement for implementing an active call handover by ...
