How do I change the phone lock password on an eSpace 7900 IP phone of the V100R001C30SPC300 version

On the home screen, choose Apps > System > Lock Password. Enter the old password and the new password, and reenter the new password. NOTE: If you set the phone lock password for the first time, leave the old password blank. If you enter an incorrect old password five consecutive times, wait 1 minute and reenter the password. Press Done. NOTE: If the Lock Password option is unavailable, access the phone web page as an administrator, choose Advanced > Others, and set Unlock using account password to No. To ensure phone security, periodically change your phone lock password.

7900 register U29 configuration IFM IP address directly.

On the home screen, select Apps. Select Log Out and press Select. NOTE: If the Log Out option is not available, access the phone web page as an administrator, choose Advanced > Others, and enable the logout function. Press OK.

The eSpace 8950 and 7900 series IP phones can be upgraded one by one or in batches. Upgrading a single phone: 1. Log in to the phone's web page as the administrator and choose Advanced > Upgrade > Manual Upgrade. 2. Click Browse to select an upgrade package. 3. Select local version files to be upgraded, and click Upgrade. Upgrading 7900 series IP phones in batches: For details, see Maintenance > Upgrade in the eSpace 7910&7950 IP Phone V200R003C00 Administrator Guide(html) . Upgrading eSpace 8950 IP phones in batches: For details, see Maintenance > Upgrade in the eSpace 8950 IP Phone V200R003C00 Administrator Guide http://support.huawei.com/enterprise/en/doc/DOC1000067158.

step1：In the main interface, select Applications > system > phone lock". Enter the “phone lock” interface. Step2: select“phone lock”，press“close”soft key.