STEP 1
Download the software from http://sjlabs.com/SJphoneWin.

STEP 2
After installing, the default soft phone will appear. Click on the screwdriver symbol. The *Options* window will appear. Enter your name and email address in the 'User Information' Tab.

STEP 3
Click on the 'Profiles' Tab. In the Profile Tab click on 'New'. When the 'Create New Profile' window appears, in the 'Profile name:' enter TalkLah.com and in the 'Profile' choose 'Calls through SIP Proxy' Then click OK.

STEP 4
A 'Profile options' windows will appear. Click on the SIP Proxy Tab. Enter in 'Proxy Domain:' sip.TalkLah.com and enter 5060 in the field to the right side of it. Under 'User domain:' enter sip.TalkLah.com. In the same SIP Proxy Tab's Advanced options, put a checkmark on Use separate register. Under this enter in 'Register domain:' sip.TalkLah.com and enter 5060 in the field to the right side of it. Click OK.

STEP 5
Back in the 'Profiles' Tab you will find an TalkLah.com profile. Highlight TalkLah.com and then click on 'Initialize.." A 'Service:TalkLah.com' box will appear. Enter in 'Account:' your ipx # and in 'Password:' your password and click OK.

STEP 6
In the 'Profiles' Tab again highlight TalkLah.com profile and then click on 'Use...'

STEP 7
Click on the 'Call Options' tab. Make sure that under 'Incoming Calls' put a check mark on 'Automatically accept incoming calls'. In 'Outgoing calls' put a checkmark on 'Use following host address' and make sure you choose the IP address of your computer.

STEP 8
Click on 'Audio' Tab and make sure that in 'Sound devices' the Playback: is using your sound card audio. Click OK.

STEP 9
Make calls!