TCL-IP (8) User Manual
TCL communication www.tclcomm.cn
20
Appendix
：
Trouble Shooting Guide
1.How to upgrade the software of TCL-IP8?
Answer
：
Enter WEB page of the phone, click the local upgrade
menu
，
then get to the program files you want through the browse
button, click
“
upgrade
”
. For details, please see the user manual of
TCL –IP8.
2.How to check the software version of TCL-IP8?
Answer
：
Enter WEB page of the phone, click “Edition” menu
，
then can see version number, for example:2.0.0.1
3.How to restore the default setting of leaving factory for TCL-IP8
？
Answer
：
There are two ways to solve.
(1)Enter the WEB page of the phone, then click the
“
factory
default
”
to enter the new an interface, then click
“
restore
”
button
to restore the default setting of leaving factory.
(2) Press
“
*
”“
0
”“
#
”
keys at same time in the standby state
，
and the phone will auto-restart 3 seconds later
，
then it will restore to
the factory default value after the phone restart.
4.How to view IP address of TCL-IP8
？
Answer: Press
“
Flash
”
key, then the IP address of the phone will
display on the LCD screen.
5.What kinds of voice codec does TCL-IP8 support?
Answer
：
In different application
，
each voice codec has its own
particularity.TCL-IP8 network phones support G.711-A/uLaw
、
G.722.1
、
G.723
、
G.726
、
G.729 and iLBC voice codec.
Note
：
the bit rates of G.722.1 and G.711 are the same
，
but the
sampling frequency of G.22.1 is twice as G.711’s(16Khz VS
8KHz)
，
which also with better quality voice.
