Cisco Systems OL-11953-01 manual Cisco Unified Communi

Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network

Understanding the Phone Startup Process

Table 2-4	Cisco Unified IP Phone Startup Process (continued)
Step		Description	Related Topics
3. Configuring VLAN		If the Cisco Unified IP Phone is connected to a	•	Network
		Cisco Catalyst switch, the switch next informs the		Configuration
		phone of the voice VLAN defined on the switch.		Menu, page 4-7.
		The phone needs to know its VLAN membership	•	Resolving Startup
		before it can proceed with the Dynamic Host
				Problems,
		Configuration Protocol (DHCP) request for an IP
				page 9-2.
		address.
4. Obtaining an IP		If the Cisco Unified IP Phone is using DHCP to	•	Network
Address		obtain an IP address, the phone queries the DHCP		Configuration
		server to obtain one. If you are not using DHCP in		Menu, page 4-7.
		your network, you must assign static IP addresses	•	Resolving Startup
		to each phone locally.
				Problems,
				page 9-2.
5. Accessing a TFTP		In addition to assigning an IP address, the DHCP	•	Network
Server		server directs the Cisco Unified IP Phone to a		Configuration
		TFTP Server. If the phone has a statically-defined		Menu, page 4-7.
		IP address, you must configure the TFTP server	•	Resolving Startup
		locally on the phone; the phone then contacts the
				Problems,
		TFTP server directly.
				page 9-2.
		Note You can also assign an alternative TFTP
		server to use instead of the one assigned by
		DHCP.
6. Requesting the CTL		The TFTP server stores the certificate trust list	Refer to the
file		(CTL) file. This file contains a list of	Cisco Unified Communi
		Cisco Unified Communications Managers and	cations Manager
		TFTP servers that the phone is authorized to	Security Guide,
		connect to. It also contains the certificates	“Configuring the Cisco
		necessary for establishing a secure connection	CTL Client” chapter.
		between the phone and
		Cisco Unified Communications Manager.

Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE for Cisco Unified Communications Manager 6.0

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