You are accessing the CME GUI from a user’s Macintosh workstation. You have simultaneously connected to the CME router and the switch to which the IP phone is connected by using Telnet. You want to reset the user’s phone. All of your company’s IP phones use PoE.
Which of the following could you not do?
- Click Configure > Unified Communications > Users, Phones, and Extensions > Phones and Users in the GUI.
- Press settings, and then press **#** on the telephone keypad.
- Issue the reset command in ephone configuration mode on the CME router.
- Issue the shutdown command followed by the no shutdown command on the switch port connected to the IP phone.
You could not click Configure > Unified Communications > Users, Phones, and Extensions > Phones and Users in Cisco Unified Communications Manager Express (CME), because that menu system is in the Cisco Configuration Professional (CCP) graphical user interface (GUI). CCP is a graphical device management tool that is installed as an application on a Windows computer. CCP can be used to configure voice systems, such as Cisco Unified Communications Manager Express (CME) routers, and other Cisco networking products. However, you might need to configure Cisco voice routers or switches to support the use of CCP before you attempt to configure those devices by using CCP.
When properly installed and configured, CCP enables you to make configuration changes to phones or users by modifying the options on the Phones and Users summary page. You can create, edit, delete, restart, and reset one or more phones from the Phones and Users summary page in CCP. In addition, you can create, edit, and delete one or more phone system users from the Phones and Users summary page in CCP. Alternatively, you can perform many of these same actions in either the CME router’s web-based GUI or the CME router’s command-line interface (CLI).
You could issue the reset command in ephone configuration mode on the CME router. This mode is a CLI configuration mode on a CME router and is not directly accessed by the administrator when using CCP. You can reset a specific IP phone by issuing the reset command in ephone configuration mode on a CME router. You can restart a specific IP phone by issuing the restart command in ephone configuration mode. Alternatively, if you know the IP phone’s Media Access Control (MAC) address, you could issue the reset mac-address command in telephony-service configuration mode on the CME router.
You could issue the shutdown command followed by the no shutdown command on the switch port connected to the IP phone, because all of your company’s IP phones use Power over Ethernet (PoE). If the switch port is shut down, the IP phone will no longer receive power from the switch, causing the IP phone to shut down. When power is restored to the IP phone, the IP phone will start up again.
You could press settings and then press **#** on the telephone keypad, because that is the method for restarting a phone when you have direct access to the telephone keypad. In this scenario, you are sitting at the user’s Macintosh workstation. However, restarting a phone is different from resetting a phone. Restarting causes the phone to reboot without contacting a Dynamic Host Configuration Protocol (DHCP) server. Resetting causes the phone or phones to reinitialize, which means that the phone will download its configuration file from a Trivial File Transfer Protocol (TFTP) server and contact the DHCP server for its network configuration. Because restarting an IP phone is a shorter process, restarting an IP phone is typically faster than resetting an IP phone.