23C a l l f u n c t i o n sNetwork mode — to select which network to use (this is shown only if it issupported by the service provider). If you select Dual mode, the device uses theGSM or UMTS network automatically.Operator selection — To set the device to search for and automatically select oneof the available networks, select Automatic. To select the desired networkmanually from a list of networks, select Manual. The selected network must havea roaming agreement with your home network.Cell info display (network service) — to set the device to indicate when it is used ina cellular network based on microcellular network (MCN) technology, and toactivate cell info reception■ Video sharingUse video sharing to send live video or a video clip from your mobile device toanother compatible mobile device during a voice call.Video sharing requirementsVideo sharing requires a 3G universal mobile telecommunications system (UMTS)connection. For information about network availability and the fees associatedwith this application, contact your service provider.To use video sharing you must do the following:• Ensure that your device is set up for person-to-person connections.• Ensure that both the sender and recipient are registered to the UMTS network.• Ensure you have an active UMTS connection and you are within UMTS networkcoverage. If you move away from a UMTS network during the sharing session,the sharing session is discontinued, but your voice call continues.Video sharing settingsA person-to-person connection is also known as a session initiation protocol (SIP)connection. Before you can use video sharing, ask your service provider for theconfigured SIP profile to be used in your device.Select > Settings > Phone sett. > Connection > Video sharing and from thefollowing:Video sharing — to select whether the video sharing is enabledSIP profile — to select a SIP profileVideo saving — to set whether the live videos are automatically saved