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Understanding DHCPv6 and Autoconfiguration, Option, Description, To Change, DHCPv6

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Network Configuration Menu Chapter 4 Configuring Settings on the Cisco Unified IP Phone Table 4-4 IPv6 Configuration Menu Options (continued) Option IPv6 TFTP Server 2 (SCCP phones only) Description To Change Optional backup IPv6 TFTP server that the phone uses if the primary IPv6 TFTP server is unavailable. If you make changes to the Alternate TFTP or IPv6 TFTP servers, you must first unlock the CTL file or ITL file on the phone. When the phone looks for its TFTP server, it gives precedence to manually assigned TFTP servers, regardless of the protocol. If your configuration includes both IPv6 and IPv4 TFTP servers, the phone prioritizes the order that it looks for its TFTP server by giving priority to manually assigned IPv6 TFTP servers and IPv4 TFTP servers. The phone looks for its TFTP server in the following order: 1. Manually assigned IPv6 TFTP Servers 2. Manually assigned IPv4 TFTP Servers 1. Unlock the CTL file or ITL file if necessary. If both the CTL file and ITL file exist, unlock either of the files. 2. Unlock network configuration options. 3. Enter an IP address for the IPv6 TFTP Server 1 option. 4. Scroll to the IPv6 TFTP Server 2 option, press the Edit softkey, and then enter a new backup TFTP server IP address. 5. Press the Validate softkey, and then press the Save softkey. 3. DHCPv6 assigned TFTP Servers 4. DHCP assigned TFTP Servers For information about the CTL file or ITL file, refer to Cisco Unified Communications Manager Security Guide. For information about unlocking the CTL file, see Unlocking the CTL and ITL Files, page 4-40. Understanding DHCPv6 and Autoconfiguration . Table 4-5 DHCPv6 Disabled Disabled You can choose to configure the IP address and other network settings, such as the TFTP server, DNS server, domain, name, etc. on an IP phone manually or by using a router and/or a DHCP server to automatically assign the IP address and other network information. For more information on how the Auto IP Configuration and DHCPv6 settings determine where the IP Phone acquires its IPv6 address and other network settings, see Table 4-5. Determining Where a Phone Acquires Its Network Settings Auto IP Configuration Disabled Enabled How the Phone Acquires its IP address and Network Settings You must manually configure an IP address and the other network settings. Note When DHCPv6 is disabled, the Auto IP Configuration setting is ignored. You must manually configure an IP address and the other network settings. Note When DHCPv6 is disabled, the Auto IP Configuration setting is ignored. 4-16 Cisco Unified IP Phone Administration Guide for Cisco Unified Communications Manager 8.0 (SCCP and SIP) OL-21011-01

Section	Page
Cisco Unified IP Phone Administration Guide for Cisco Unified CM 8.0 (SCCP and SIP)	1
Contents	3
Preface	11
Overview	11
Audience	11
Organization	11
Related Documentation	12
Obtaining Documentation, Obtaining Support, and Security Guidelines	13
Cisco Product Security Overview	13
Document Conventions	13
An Overview of the Cisco Unified IP Phone	15
Understanding the Cisco Unified IP Phone 7962G and 7942G	16
What Networking Protocols are Used?	19
IPv6 Support on Cisco Unified IP Phones	22
What Features are Supported on the Cisco Unified IP Phone 7962G and 7942G?	23
Feature Overview	23
Configuring Telephony Features	24
Configuring Network Parameters Using the Cisco Unified IP Phone	24
Providing Users with Feature Information	25
Understanding Security Features for Cisco Unified IP Phones	25
Overview of Supported Security Features	27
Understanding Security Profiles	29
Identifying Authenticated, Encrypted, and Protected Phone Calls	29
Establishing and Identifying Secure Conference Calls	30
Establishing and Identifying Protected Calls	30
Call Security Interactions and Restrictions	31
Supporting 802.1X Authentication on Cisco Unified IP Phones	32
Overview	32
Required Network Components	33
Best Practices-Requirements and Recommendations	33
Security Restrictions	34
Overview of Configuring and Installing Cisco Unified IP Phones	34
Configuring Cisco Unified IP Phones in Cisco Unified Communications Manager	34
Checklist for Configuring the Cisco Unified IP Phone 7962G and 7942G in Cisco Unified Communications Manager Administrations	35
Installing Cisco Unified IP Phones	37
Checklist for Installing the Cisco Unified IP Phone 7962G and 7942G	38
Preparing to Install the Cisco Unified IP Phone on Your Network	43
Understanding Interactions with Other Cisco Unified IP Telephony Products	43
Understanding How the Cisco Unified IP Phone Interacts with Cisco Unified Communications Manager	44
Understanding How the Cisco Unified IP Phone Interacts with the VLAN	44
Providing Power to the Cisco Unified IP Phone	45
Power Guidelines	46
Power Outage	46
Obtaining Additional Information about Power	47
Understanding Phone Configuration Files	47
Understanding the Phone Startup Process	49
Adding Phones to the Cisco Unified Communications Manager Database	50
Adding Phones with Auto-Registration	51
Adding Phones with Auto-Registration and TAPS	52
Adding Phones with Cisco Unified Communications Manager Administration	53
Adding Phones with BAT	53
Using Cisco Unified IP Phones with Different Protocols	54
Converting a New Phone from SCCP to SIP	54
Converting an In-Use Phone from One Protocol to the Other	54
Deploying a Phone in an SCCP and SIP Environment	55
Determining the MAC Address for a Cisco Unified IP Phone	55
Setting Up the Cisco Unified IP Phone	57
Before You Begin	57
Network Requirements	57
Cisco Unified Communications Manager Configuration	58
Understanding the Cisco Unified IP Phone Components	58
Network and Access Ports	58
Handset	59
Speakerphone	59
Headset	60
Audio Quality Subjective to the User	60
Connecting a Headset	60
Disabling a Headset	61
Enabling a Wireless Headset on the Cisco Unified IP Phones 7962G and 7942G	61
Using External Devices	61
Installing the Cisco Unified IP Phone	61
Attaching a Cisco Unified IP Phone Expansion Module	64
Feature Key Capacity Increase for Cisco Unified IP Phones	65
Adjusting the Placement of the Cisco Unified IP Phone	66
Adjusting Cisco Unified IP Phone Placement on the Desktop	66
Securing the Phone with a Cable Lock	66
Mounting the Phone to the Wall	67
Verifying the Phone Startup Process	69
Configuring Startup Network Settings	70
Configuring Security on the Cisco Unified IP Phone	70
Configuring Settings on the Cisco Unified IP Phone	73
Configuration Menus on the Cisco Unified IP Phone	73
Displaying a Configuration Menu	74
Unlocking and Locking Options	74
Editing Values	75
Overview of Options Configurable from a Phone	76
Network Configuration Menu	77
Understanding DHCPv6 and Autoconfiguration	88
Device Configuration Menu	89
Unified CM Configuration Menu	90
SIP Configuration Menu for SIP Phones Only	91
SIP General Configuration Menu	91
Line Settings Menu for SIP Phones	92
Call Preferences Menu for SIP Phones	93
HTTP Configuration Menu	94
Locale Configuration Menu	95
NTP Configuration Menu for SIP Phones	96
UI Configuration Menu	97
Media Configuration Menu	99
Ethernet Configuration Menu	102
Security Configuration Menu	102
QoS Configuration Menu	104
Network Configuration Menu	105
Security Configuration Menu	110
CTL File Submenu	111
ITL File Submenu	112
Trust List Menu	114
802.1X Authentication and Status	115
VPN Configuration	116
Configuring Features, Templates, Services, and Users	119
Telephony Features Available for the Cisco Unified IP Phone	119
Configuring Product Specific Configuration Parameters	137
Configuring Corporate and Personal Directories	138
Configuring Corporate Directories	139
Configuring Personal Directory	139
Modifying Phone Button Templates	140
Modifying a Phone Button Template for Personal Address Book or Fast Dials	141
Configuring Softkey Templates	142
Setting Up Services	143
Adding Users to Cisco Unified Communications Manager	143
Managing the User Options Web Pages	144
Giving Users Access to the User Options Web Pages	144
Specifying Options that Appear on the User Options Web Pages	145
Customizing the Cisco Unified IP Phone	147
Customizing and Modifying Configuration Files	147
Creating Custom Phone Rings	148
Ringlist.xml File Format Requirements	148
PCM File Requirements for Custom Ring Types	149
Configuring a Custom Phone Ring	149
Creating Custom Background Images	149
List.xml File Format Requirements	150
PNG File Requirements for Custom Background Images	150
Configuring a Custom Background Image	151
Configuring Wideband Codec	152
Viewing Model Information, Status, and Statistics on the Cisco Unified IP Phone	153
Model Information Screen	154
Status Menu	154
Status Messages Screen	155
Network Statistics Screen	161
Firmware Versions Screen	163
Expansion Module Status Screen	164
Call Statistics Screen	165
Using Test Tone	167
Monitoring the Cisco Unified IP Phone Remotely	171
Accessing the Web Page for a Phone	172
Disabling and Enabling Web Page Access	173
Configuring the Cisco Unified IP Phone to use HTTP/HTTPS Protocols	174
Device Information	174
Network Configuration	175
Network Statistics	178
Device Logs	180
Streaming Statistics	181
Troubleshooting and Maintenance	185
Resolving Startup Problems	185
Symptom: The Cisco Unified IP Phone Does Not Go Through its Normal Startup Process	186
Symptom: The Cisco Unified IP Phone Does Not Register with Cisco Unified Communications Manager	186
Identifying Error Messages	187
Checking Network Connectivity	187
Verifying TFTP Server Settings	187
Verifying IP Addressing and Routing	187
Verifying DNS Settings	188
Verifying Cisco Unified Communications Manager Settings	188
Cisco CallManager and TFTP Services Are Not Running	188
Creating a New Configuration File	189
Registering the Phone with Cisco Unified Communications Manager	189
Symptom: Cisco Unified IP Phone Unable to Obtain IP Address	190
Cisco Unified IP Phone Resets Unexpectedly	190
Verifying the Physical Connection	190
Identifying Intermittent Network Outages	190
Verifying DHCP Settings	191
Checking Static IP Address Settings	191
Verifying the Voice VLAN Configuration	191
Verifying that the Phones Have Not Been Intentionally Reset	191
Eliminating DNS or Other Connectivity Errors	191
Checking Power Connection	192
Troubleshooting Cisco Unified IP Phone Security	192
General Troubleshooting Tips	194
General Troubleshooting Tips for the Cisco Unified IP Phone Expansion Module	196
Resetting or Restoring the Cisco Unified IP Phone	197
Performing a Basic Reset	197
Performing a Factory Reset	197
Using the Quality Report Tool	198
Monitoring the Voice Quality of Calls	199
Using Voice Quality Metrics	199
Troubleshooting Tips	200
Where to Go for More Troubleshooting Information	201
Cleaning the Cisco Unified IP Phone	201
Providing Information to Users Via a Website	203
How Users Obtain Support for the Cisco Unified IP Phone	203
Giving Users Access to the User Options Web Pages	203
How Users Access the Online Help System on the Cisco Unified IP Phone	204
How Users Get Copies of Cisco Unified IP Phone Manuals	204
Accessing Cisco 7900 Series Unified IP Phone eLearning Tutorials for SCCP Phones Only	204
How Users Subscribe to Services and Configure Phone Features	205
How Users Access a Voice Messaging System	205
How Users Configure Personal Directory Entries	206
Installing and Configuring the Cisco Unified IP Phone Address Book Synchronizer	206
Feature Support by Protocol for Cisco Unified IP Phone 7962G and 7942G	209
Supporting International Users	215
Adding Language Overlays to Phone Buttons	215
Installing the Cisco Unified Communications Manager Locale Installer	215
Support for International Call Logging	216
Technical Specifications	217
Physical and Operating Environment Specifications	217
Cable Specifications	218
Network and Access Port Pinouts	218
Basic Phone Administration Steps	221
Example User Information for these Procedures	221
Adding a User to Cisco Unified Communications Manager	222
Adding a User From an External LDAP Directory	222
Adding a User Directly to Cisco Unified Communications Manager	222
Configuring the Phone	223
Performing Final End User Configuration Steps	227
Index	228
Symbols	228
Numerics	228
A	228
B	229
C	229
D	230
E	231
F	231
G	232
H	232
I	233
J	233
K	233
L	233
M	234
N	234
O	235
P	235
Q	236
R	236
S	236
T	238
U	239
V	240

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4-16

Cisco Unified IP Phone Administration Guide for Cisco Unified Communications Manager 8.0 (SCCP and SIP)

OL-21011-01

Chapter 4

Configuring Settings on the Cisco Unified IP Phone

Network Configuration Menu

Understanding DHCPv6 and Autoconfiguration

You can choose to configure the IP address and other network settings, such as the TFTP server, DNS

server, domain, name, etc. on an IP phone manually or by using a router and/or a DHCP server to

automatically assign the IP address and other network information. For more information on how the

Auto IP Configuration and DHCPv6 settings determine where the IP Phone acquires its IPv6 address and

other network settings, see

Table 4-5

IPv6 TFTP Server 2

(SCCP phones only)

Optional backup IPv6 TFTP server that the phone uses if

the primary IPv6 TFTP server is unavailable.

If you make changes to the Alternate TFTP or IPv6 TFTP

servers, you must first unlock the CTL file or ITL file on

the phone.

When the phone looks for its TFTP server, it gives

precedence to manually assigned TFTP servers, regardless

of the protocol. If your configuration includes both IPv6

and IPv4 TFTP servers, the phone prioritizes the order that

it looks for its TFTP server by giving priority to manually

assigned IPv6 TFTP servers and IPv4 TFTP servers. The

phone looks for its TFTP server in the following order:

Manually assigned IPv6 TFTP Servers

Manually assigned IPv4 TFTP Servers

DHCPv6 assigned TFTP Servers

DHCP assigned TFTP Servers

For information about the CTL file or ITL file, refer to

Cisco Unified Communications Manager Security Guide

For information about unlocking the CTL file, see

Unlocking the CTL and ITL Files, page 4-40

Unlock the CTL file or ITL file if

necessary. If both the CTL file

and ITL file exist, unlock either

of the files.

Unlock network configuration

options.

Enter an IP address for the IPv6

TFTP Server 1 option.

Scroll to the IPv6 TFTP Server 2

option, press the

Edit

softkey,

and then enter a new backup

TFTP server IP address.

Press the

Validate

softkey, and

then press the

Save

softkey.

Table 4-4

IPv6 Configuration Menu Options (continued)

Option

Description

To Change

Table 4-5

Determining Where a Phone Acquires Its Network Settings

DHCPv6

Auto IP Configuration

How the Phone Acquires its IP address and Network Settings

Disabled

You must manually configure an IP address and the other network settings.

Note

When DHCPv6 is disabled, the Auto IP Configuration setting is

ignored.

Disabled

Enabled

You must manually configure an IP address and the other network settings.

Note

When DHCPv6 is disabled, the Auto IP Configuration setting is

ignored.