Specifications
Table Of Contents
- Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0 and Later
- Contents
- Preface
- An Overview of the Cisco Unified Wireless IP Phone 7921G
- An Overview of the Voice Over IP Wireless Network
- Understanding the Wireless LAN
- Components of the VoIP Wireless Network
- Voice Over IP Wireless Network Configuration
- Site Survey Verification
- Setting Up the Cisco Unified Wireless IP Phone 7921G
- Before You Begin
- Installing the Cisco Unified Wireless IP Phone 7921G
- Powering On the Cisco Unified Wireless IP Phone 7921G
- Understanding the Phone Startup Process
- Using the Cisco Unified Wireless IP Phone 7921G Web Pages
- Using the USB Connection for Initial Phone Configuration
- Updating Phones Remotely
- Configuring Network Profiles
- Configuring USB Settings
- Configuring Trace Settings
- Using System Settings
- Configuring Settings on the Cisco Unified Wireless IP Phone 7921G
- Accessing Network and Phone Settings
- Configuring Network Profile Settings
- Changing Phone Settings
- Configuring the Security Certificate on the Phone
- Changing the USB Configuration
- Configuring Features, Templates, Services, and Users
- Configuring Cisco Unified Wireless IP Phones in Cisco Unified CallManager
- Telephony Features Available for the Phone
- Specific Configuration Options for the Cisco Unified Wireless IP Phone 7921G
- Configuring Softkey Templates
- Modifying Phone Button Templates
- Setting Up Services
- Configuring Corporate and Personal Directories
- Adding Users to Cisco Unified CallManager
- Managing the User Options Web Pages
- Creating Custom Phone Rings
- Viewing Security, Device, Model, and Status Information on the Phone
- Monitoring the Cisco Unified Wireless IP Phone Remotely
- Troubleshooting the Cisco Unified Wireless IP Phone 7921G
- Resolving Startup and Connectivity Problems
- Resolving Voice Quality and Roaming Problems
- General Troubleshooting Information
- Erasing the Local Configuration
- Providing Information to Users By Using a Website
- Supporting International Users
- Physical and Operating Environment Specifications
- Checklist for Deploying the Cisco Unified Wireless IP Phone 7921G
- Index
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Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0
OL-10802-02
Chapter 8 Monitoring the Cisco Unified Wireless IP Phone Remotely
Network Statistics
IpInFragFails Number of IP datagrams that were discarded because
they could not be fragmented
IpInFragCreates Number of IP datagram fragments generated
TCP Statistics
TcpRtoAlgorithm Determines timeout value used for retransmitting
unacknowledged octets
TcpRtoMin Minimum value for retransmission timeout in
milliseconds
TcpRtoMax Maximum value for retransmission timeout in
milliseconds
TcpMaxConn Number limit for total TCP connections that are
supported; if dynamic, displays value of -1
TcpActiveOpens Number of times TCP connections made a transition
to SYN-SENT state from CLOSED state
TcpPassiveOpens Number of times TCP connections made a transition
to SYN-RCVD state from LISTEN state
TcpAttemptFails Number of times TCP connections made a transition
to CLOSED state from SYN-SENT or SYN-RCVD
state, plus number of times transitioned to LISTEN
state from SYN-RCVD state
TcpEstablishResets Number of times TCP connections made a transition
to CLOSED state from either ESTABLISHED or
CLOSE-WAIT state
TcpCurrEstab Number of times TCP connections for which the
current state is either ESTABLISHED or
CLOSE-WAIT state
TcpInSegs Number of segments received including those in
error on current connections
TcpOutSegs Number of segments sent including those on current
connections; excludes segments containing only
retransmit octets
Table 8-5 Network Statistics Screen Items (continued)
Item Description