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IP Phone
IP Phone 6851
Administration manual
Cisco IP Phone 6851 Administration Manual
Ip phone 6800 series multiplatform phone
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Phone Features and Setup
About the Cisco IP Phone
CHAPTER 1 Cisco IP Phone Hardware
Overview of the Cisco IP Phone 6800 Series Multiplatform Phones
New and Changed Features
New and Changed for Firmware Release 11.1(1)
Cisco IP Phone 6841 Multiplatform Phones Connections
Cisco IP Phone 6851 Multiplatform Phones Connections
Buttons and Hardware
Softkey, Line, and Feature Buttons
Terminology Differences
CHAPTER 2 Technical Details
Physical and Operating Environment Specifications
Cable Specifications
Network and Computer Port Pinouts
Network Port Connector
Computer Port Connector
Phone Power Requirements
Network Protocols
VLAN Interaction
External Devices
Phone Installation
Cisco IP Phone Installation
CHAPTER 3 Cisco IP Phone Installation
Verify the Network Setup
Install the Cisco IP Phone
Configure the Network from the Phone
Network Configuration Fields
Text and Menu Entry from the Phone
Configure the Voice Codecs
Verify Phone Startup
Set the Optional Network Servers
VLAN Settings
Lldp-Med
Chassis ID TLV
End of LLDPDU TLV
IEEE 802.3 MAC/PHY Configuration/Status TLV
Network Policy TLV
Final Network Policy Resolution and Qos
LLDP-MED and Multiple Network Devices
SIP and NAT Configuration
SIP over TCP
Dual Registration and Alternate Proxy
Sip Configuration
Configure the RTP Parameters
Configure the SIP Settings for Extensions
Enable NAT Mapping
Configure NAT Mapping with STUN
Determining Symmetric or Asymmetric NAT
Dial Plan
Digit Sequence Examples
Acceptance and Transmission of the Dialed Digits
Dial Plan Timer (Off-Hook Timer)
Example for the Interdigit Long Timer
Regional Parameters and Supplementary Services
Cisco IP Phone 6800 Series Documentation
Network Configuration
Web-Based Configuration Utility
Allow Web Access to the Cisco IP Phone
Administrator and User Accounts
Phone Accessories
Cisco Ip Phone Accessories
Supported Accessories
Audio Quality
Analog Headsets
Wall Mount Kit
Install a Phone with the Wall Mount Kit
Install a Phone with the Wall Mount Kit
Install a Phone with the Wall Mount Kit
Adjust the Handset Rest
Adjust the Handset Rest
Phone Administration
Cisco Ip Phone Security
Security Features
Cisco Product Security Overview
Transport Layer Security
Cisco IP Phone Customization
Chapter 8
Cisco Ip Phone Customization
Phone Information and Display Settings
Call Features Configuration
Call Forward
Configure Missed Call Indication with the Configuration Utility
Shared Lines
Configure a Shared Line
Configure Voice Mail
Configure Voice Mail for each Extension
Assign a Ring Tone to an Extension
Configure the Audio Settings
Phone Web Server
Enable Access to Phone Web Interface
Procedure
Step 1
XML Services
Macro Variables
Xml Applications
Xml Directory Service
Configure a Phone to Connect to an XML Application
Phone Features and Setup
CHAPTER 9 Phone Features and Setup
Cisco IP Phone User Support
Phone Features and Setup Overview
Telephony Features for Cisco IP Phone
Feature Buttons and Softkeys
Configure a Speed Dial on a Line Key
Configure a Speed Dial with the Configuration Utility Page
Busy Lamp Field Configuration on a Monitoring Phone
Configure the Busy Lamp Field for Multiple Users with the Configuration Utility
Configure Busy Lamp Field with Other Features
Configure the Busy Lamp Field for a Single Phone with the Configuration Utility
Enable Conference Button with a Star Code
Set up Extra Line Keys
Configure a Paging Group (Multicast Paging)
Configure Alphanumeric Dialing
Call Park
Configure Call Park with Star Codes
Configuring Programmable Softkeys
Programmable Softkeys
Configure Provisioning Authority
Enable Hoteling on a Phone
Set the User Password
Configure PRT Upload
Download Problem Reporting Tool Logs
Configure a Phone to Accept Pages Automatically
Manage Phones with
Server-Configured Paging
View TR-069 Status
Enable Electronic Hookswitch
Enable Remote Call Recording with SIP INFO
Set up a Phone for Presence
CHAPTER 10 Corporateandpersonaldirectorysetup
Personal Directory Setup
Prepare the LDAP Corporate Directory Search
Configure the XML Directory Service
Info
Custom CA Status
Network Port Information
Access Port Information
Voice
Network Settings
Ipv4 Settings
X Authentication
VLAN Settings
Inventory Settings
SIP Timer Values (Sec)
Response Status Code Handling
SDP Payload Types
NAT Support Parameters
Provisioning
Firmware Upgrade
CA Settings
HTTP Settings
General Purpose Parameters
Distinctive Ring Patterns
Control Timer Values (Sec)
Vertical Service Announcement Codes
Outbound Call Codec Selection Codes
Time
Language
Miscellaneous Line Key Settings
Ringtone
Broadsoft XMPP
Ldap
Programmable Softkeys
User
Speed Dial
Audio Volume
Extension
NAT Settings
Call Feature Settings
ACD Settings
Subscriber Information
Dial Plan
Tr-069
Call History
Personal Directory
CHAPTER 12 Troubleshooting
General Troubleshooting Information
Startup Problems
Configuration File Corruption
Phone Displays Error Messages
Phone Resets Due to Intermittent Network Outages
Phone Resets During Heavy Network Usage
Phone Cannot Connect to Lan
Audio Problems
No Speech Path
General Telephone Call Problems
Feature Troubleshooting
Presence Status Doesn't Work
The Font Is too Small or Has Unusual Characters
Troubleshooting Procedures
Check Dhcp Settings
Verify Dns Settings
Additional Troubleshooting Information
Basic Reset
Factory Reset the Phone with the Web UI Button
Voice Quality Monitoring
CHAPTER 13 Maintenance 221
Voice Quality Troubleshooting Tips
Voice Quality Reporting
Mean Opinion Scores and Codecs
Cisco IP Phone Cleaning
View Phone Information
Reboot Reasons
Phone Behavior During Times of Network Congestion
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Quick Links
1
Basic Reset
2
Factory Reset the Phone with the Web Ui Button
Download this manual
Cisco IP Phone 6800 Series Multiplatform Phones Administration
Guide
First Published: 2017-11-22
Last Modified: 2017-12-20
Americas Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 527-0883
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Chapters
Table of Contents
3
Phone Features and Setup
8
Cisco IP Phone Installation
37
Cisco IP Phone Customization
99
Phone Features and Setup
115
Table of Contents
Troubleshooting
troubleshooting
223
Feature Troubleshooting
230
troubleshooting procedures
233
check dhcp settings
234
Factory Reset the Phone with the Web UI Button
236
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