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Which of the following statements is true?
- The auto-reg-ephone command can automatically create an ephone.
- The auto assign command can automatically create an ephone.
- The auto-reg-ephone command can automatically create an ephone-dn.
- The auto assign command can automatically create an ephone-dn.
Explanation:
The auto-reg-ephone command can automatically create an ephone. When an IP phone registers with a router that is configured with the auto-reg-ephone command, the router will associate the Media Access Control (MAC) address of the IP phone with the first unassigned ephone on the router. If all the ephones on the router are associated with IP phones, the router will create a new ephone, provided that the number of configured ephones does not exceed the value of the max-ephones command. The max-ephones command specifies the maximum number of ephones that you can configure on a router.
You can also manually assign an IP phone to an ephone by issuing the mac-address mac-address command in ephone configuration mode, where mac-address is the MAC address of the IP phone you want to assign to the ephone. For example, you can issue the following command set to associate an IP phone with the MAC address 0019:8765:4321 with ephone number 1:
telephony-service
ephone 1
mac-address 0019.8765.4321
The auto-reg-ephone command cannot automatically create an ephone-dn. An ephone-dn must be configured before it can be assigned to buttons on ephones.
The auto assign command cannot automatically create an ephone or an ephone-dn. The auto assign command automatically associates button 1 on an ephone with an existing, unused ephone-dn. The ephone-dn is not automatically created? it must already exist. If no ephone-dn is available, the phone will register but none of the phone’s buttons will be associated with ephone-dn extensions.
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