30 Copyright © 2007 Nokia. All rights reserved.C a l l f u n c t i o n sTo end the video call, press the end key.Video sharingUse Video sharing to send live video from your mobiledevice to another compatible mobile device during a voicecall.Video sharing requirementsBecause Video sharing requires a 3G universal mobiletelecommunications system (UMTS) connection, yourability to use Video sharing depends on 3G networkavailability. Contact your service provider for questionsabout network availability and fees associated with thisapplication. To use Video sharing you must do thefollowing:• Ensure that your device is set up for person-to-personconnections.• Ensure you have an active UMTS connection and arewithin UMTS network coverage. If you start the sharingsession while you are within UMTS network coverageand a handover to GSM occurs, the sharing session isdiscontinued, but your voice call continues.• Ensure that both the sender and recipient areregistered to the UMTS network. If you invite someoneto a sharing session and that person’s phone is turnedoff, or the person is not within UMTS network coverage,they do not know that you are sending an invitation.However, you receive an error message that therecipient cannot accept the invitation.SettingsA person-to-person connection is also known as a sessioninitiation protocol (SIP) connection. The SIP profile settingsmust be configured in your device before you can useVideo sharing.Ask your service provider for the SIP profile settings, andsave them in your device. Your service provider may sendyou the settings over the air.If you know a recipient’s SIP address, you can enter it onyour contact card for that person. Select Menu >Contacts, a contact, and Options > Edit > Options > Adddetail > SIP or Share view. Enter the SIP address in theformat sip:username@domainname (you can use an IPaddress instead of a domain name).Share live videoTo receive a sharing session, the recipient must installVideo sharing and configure the required settings on theirmobile device. You and the recipient must both beregistered to the service before you can start sharing.