Cisco ATA 186/188 configuration

you need to make sure that you are running the correct SIP firmware on your phone.

Step 1

You may first want to reset your unit to factory default setting. To do this, pick up the phone handset attached to the Line 1 jack and press the illuminated red button.
Dial: 322873738#
then dial * (asterisk) and hang up.
NOTE: this will completely reset the unit to factory default settings, erasing any values that may already exist!

Step 2

Now, again pick up the phone handset and press the red button, then
Dial: 21 #
and you will be told the IP address of your device (e.g.

Step 3

Go to any browser equipped computer on your network and enter the address:
http://[IP ADDRESS]/dev
(where is replaced by the address that was given to you in STEP 1.)

Step 4

You need to modify only a few parameters from the factory default. They are listed here:
UID0: Enter the 10-digit Clickncall username.
PWD0: Enter the password that you received from the Welcome email.
SIPRegInterval: 3600
SIPRegOn: 1
DisplayName0: Enter the 10-digit Clickncall username.

Cisco ATA 186/188 config

Step 5

Click on "Apply" button on the bottom of the form.

   © copyright 2023 ClicknCall. All rights reserved.