Patent ID: 8654703

Claim:
A method of providing telephony services at a call control system to subscribers in a telecommunications system including a mobile telephone network and at least another telephone network different to the mobile telephone network, the mobile telephone network comprising a subscriber database, the call control system being located outside of the mobile telephone network, the subscribers each having a plurality of associated telephony devices including a mobile telephony device, all of the devices associated with a subscriber being contactable via a device-shared telephone dialing number, the method comprising: receiving a first incoming call connection request associated with an incoming call directed to the device-shared telephone dialing number for a subscriber, the incoming call connection request having been routed to the call control system on the basis of the device-shared telephone dialing number; assuming control of the incoming call; transmitting a first outgoing call connection request to a first telephony device associated with the device-shared telephone dialing number, the first telephony device being located in the at least another telephone network; transmitting a second outgoing call connection request to the mobile telephony device associated with the subscriber, the second outgoing call connection request being transmitted to the mobile telephony device based upon a location query and corresponding location response being sent to and received from respectively the subscriber database comprised in the mobile telephone network in relation to the device-shared telephone dialing number, the corresponding location response comprising a temporary routing number for the second outgoing call connection request; receiving a call connection response from one of the first telephony device and the mobile telephony device; and connecting the incoming call to the one of the first telephony device and the mobile telephony device.