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# Cisco ATA 186/188

Cisco ATA 186/188:


![](https://storage.crisp.chat/users/helpdesk/website/309e8a0a07431600/image_1mm1wvo.png)


STEP 1

You may want to reset your unit to factory default setting. To do this, pick up the phone handset attached to the Line 1 jack

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 

Dial: 21 #

and you will be told the IP address of your device (e.g. 192.168.0.100).


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STEP 3

Go to any browser equipped computer on your network and enter the address:
http://<IP ADDRESS>/dev

(where <IP ADDRESS> is replaced by the address that was given to you in STEP 1.)

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STEP 4

You need to modify only a few parameters from the factory default. 


UID0  	Enter the account number provided on CONNECT
PWD0  	Enter the password provided on CONNECT.
GkOrProxy  	sip.nettalk.com
SIPRegInterval  	300
SIPRegOn  	1
DisplayName0  	Leave blank, use your name or account number.


![SIP setup](https://storage.crisp.chat/users/helpdesk/website/309e8a0a07431600/image_1gj6xgq.png)


STEP 5

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


![](https://storage.crisp.chat/users/helpdesk/website/309e8a0a07431600/image_ewtp70.png)