STEP 1
Go to Tools / Settings / Connection / SIP settings.
Choose Options/ New SIP Profile and create the following profile;
Profile Name: VoIPVoIP Service
Profile: IETF Default
Access point: (your WLAN AP name)
Public user name: 5551231234@sip3.voipvoip.com ( Instead of 5551231234 account number example, use the account number assigned to you when signed up for VoIPVoIP service. When recorded your phone will show sip:5551231234@sip3.voipvoip.com )
Use Compression: No
Registration: "Always on "
Use Security: No
STEP 2
You do not need to enter Proxy Server settings
Proxy Server Address: none
Registrar Server:none
Realm: none
User Name: none
STEP 3
Enter the following for Registrar Server settings
Registrar Server: sip3.voipvoip.com (When recorded your phone will show sip:sip3.voipvoip.com)
Realm: voipvoip.com
User Name: 5551231234 (Instead of 5551231234 account number example, use the account number assigned to you when signed up for VoIPVoIP service. )
Password: Enter the same password used to login to your VoIPVoIP account
Transport Type: UDP
Port: 5060
STEP 4
Go to Tools / Settings / Connection / Internet Tel. Settings
Create a new profile for "voipvoip"(555123xxxx), name it "voipvoip"
Choose "voipvoip" as Preferred profile
STEP 5
For better voice quality or in order to be able to make VoIP calls over 3G internet connection you need to use Nokia SIP VoIP Application you installed.
Go to Applications on your phone and click on "SIP VoIP Settings" application. Choose VoIP services/VoIPVoIP (or the name of your VoIPVoIP account Internet profile.)
Click on "Profile Settings" and find "Allow VoIP over WCDMA" option and change it to "ON" This change allows VoIP over 3G connection on Nokia phones.
For better voice quality go to Codecs and delete all codecs except G729. There should be only G729 codec left under codecs settings
STEP 6
Reboot your phone. Once your phone is back on it will automatically register to VoIPVoIP.
Once it is registered you can start making calls.
Default call type: To switch between normal GSM calls or VOIP calls, navigate to Tools / Settings / Call / Default call type. Select Cellular to make normal calls to the phone number or Internet to use VoIP to call the number or address
Make Calls!