Tone Commander 7210, 7220 Ip Centrex Telephone Network Administration Guide

Tone Commander 7210/7220 Network Administration Guide
13-102865  Rev. KPage 21 of 32
Packet Diagnostics Menu
Packet statistics are tabulated on a per call, per
call appearance basis, and may be viewed while a
call is in progress or after a call is completed.
Counts are updated once a second while a call is
in progress. Statistics are saved for the most
recent call on each call appearance. As soon as a
new call (inbound or outbound) is initiated,
statistics for the previous call on that call
appearance...

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Delayed 30ms – total number of packets received between 30ms and 40ms after the expected arrival
time; also expressed as a percentage of total packets (30-40ms packets)/(total number of expected
packets).
Delayed 20ms – total number of packets received between 20ms and 30ms after the expected arrival
time; also expressed as a percentage of total packets (20-30ms packets)/(total number of expected
packets).
Not Delayed – total number of packets received earlier than 20ms...

Tone Commander 7210/7220 Network Administration Guide
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Troubleshooting  _______________________________
7210 and 7220 telephones have built-in diagnostic, logging, and testing capabilities to quickly isolate
problems affecting their operation.
Network Troubleshooting
Whenever power is applied or a connection is made to the LAN or WAN, the phone initiates a startup
routine, with progress shown in the display. When the phone and network are fully initialized, the idle
display,...

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Problem ObservedRemedial Action
“NO TFTP SERVER ADDRESS   “
“ EDIT                                           “There is no TFTP address and a manual or automatic software
version query was attempted by the phone. Enter the appropriate
TFTP address.
“NO TFTP SERVER RESPONSE “
“ EDIT                                           “A manual or automatic software version query was attempted by the
phone, but the addressed TFTP server did not respond. Using the
ADMIN/DIAG/PING/TFTP...

Tone Commander 7210/7220 Network Administration Guide
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Call Control Troubleshooting
After the phone is fully initialized (idle display showing), the following call control problems may be
encountered.
Problem ObservedRemedial Action
Going off-hook or pressing the Spkr key
does not automatically select a CA/DN
and draw dial tone. Selecting a CA/DN or
hotkey dialing while on-hook does,
however.This is the behavior of a phone that is connected to a National ISDN
network, with...

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Te l n e t
A telnet client can connect to the phone for troubleshooting purposes.
Use this option to view or clear the error log when you are not physically present at the phone location.
The error log can also be accessed from the phone’s Administration Options menu. Other options
available through telnet should be used only under the direction of Tone Commander support personnel.
1.  Telnet must be enabled at the phone before
establishing a connection (Setup → INSTL →...

Tone Commander 7210/7220 Network Administration Guide
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Reference  ____________________________________
DHCP Messages
7210/7220 Client Discover Options
The DHCP DISCOVER message broadcast by the 7210/7220 telephone uses the following options:
Parameter Request List
Option 0x37 (55 dec) Info being requested from DHCP server is as follows:
Subnet Mask
Option 0x01
Time Offset
Option 0x02
Router
Option 0x03
Time Server
Option 0x04
Broadcast Address
Option 0x1c (28 dec)
Vendor...

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TFTP Server Configuration File Formats
Keywords assign parameters/program versions as shown here:
=
All keywords that are valid for a file type are optional.
Do not include leading 0 characters in IP addresses; follow the examples shown here.
Comments can be put into the TFTP server files by preceding them with a semicolon. Separate the
semicolon from the preceding value with at least one space.
If you do not wish to assign a particular parameter, comment out the line with...

Tone Commander 7210/7220 Network Administration Guide
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G729_20=a/b G.729A codec with 20ms packetization rate (a = average jitter buffer delay
in ms, valid range = 20-90 increments of 5; b = maximum jitter buffer depth
in ms, valid range = 2*a to 180 increments of 20. Replace a/b with OFF to
disable this codec option). Default value = OFF
G723_30=a/b G.723.1 codec with 30ms packetization rate (a = average jitter buffer delay in
ms, valid range = 30-90 increments of 5; b =...

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;DSCP_SIGNAL=46 ;Layer 3 DiffServ Signaling Packet DSCP Value (0-63)
;TFTP_UPDATE=1 ;TFTP update start hour (0-23)
;TFTP_WINDOW=3 ;TFTP update window hours (1-24)
;TIME_SERVER=0.0.0.0 ;SNTP time server IP address
;TIME_OFFSET=-8 ;Offset (in hours) from UTC (-12 to +12)
;LDAP=commnet.txt  ;LDAP Specification File
EOF ;Required End-of-File mark
tcs7220b.txt
Names the compressed application and boot program files, located in the TFTP server root folder, to be
downloaded to the...