User manual

AT820
AT820
AT820
AT820 Series
Series
Series
Series User
User
User
User Manual
Manual
Manual
Manual
41
ATCOM TECHNOLOGY CO., LIMITED www.atcom.cn
4. Long hold “ # ” key and start up the phone until the LCD display “ Upgrading …” ;
5. The phone will download the firmware from the TFTP server;
6. After the download is done, the phone will upgrade automatically;
7. After the update is finished, the phone will start up with the configuration of
factory reset.
6
6
6
6 .1.3
.1.3
.1.3
.1.3 How
How
How
How to
to
to
to make
make
make
make direct
direct
direct
direct IP
IP
IP
IP call
call
call
call
The way to make direct IP call is similar to digit call, steps are:
1. After hooking off, press right navigation key and press the third soft key "Num"
to switch to "IP".
2. Using * key to inputting ".". If user wants to dial 192.168.1.100, then press
192*168*1*100.
3. After inputting the IP address, press dial key to dial it out.
6.2 Trouble Shooting
6.2.1
6.2.1
6.2.1
6.2.1 The
The
The
The phone
phone
phone
phone can
can
can
can ’
’
’
’ t
t
t
t register
register
register
register successfully
successfully
successfully
successfully
A. Check the IP address, and if the mode of W AN port is DHCP, please make sure
the DHCP server is in service.
B. Check the gateway.
C. Check the DNS.
D. Make sure the information of the account is consistent with which offered by the
service supplier.
E. Make sure the SIP server is on.
F. Check the port of the SIP server whose default value is 5060.
6
6
6
6 .2.2
.2.2
.2.2
.2.2 The
The
The
The phone
phone
phone
phone can
can
can
can ’
’
’
’ t
t
t
t obtain
obtain
obtain
obtain IP
IP
IP
IP address
address
address
address
A. Make sure the cable has been connected to the WA N port of the phone.
B. Make sure the cable and the switch ’ s port that connected with the cable is
available.
C. Make sure the DHCP server is on and there are some assignable IP addresses in
the address pool.
D. Try to change the LAN port mode as Static.