Some of the Nokia phones offer you option making SIP/VoIP call lie a normal call.

Following are the setting you need to do to enable SIP call in your Nokia mobile:

Go to Menu > Tools > Settings > Connection > SIP settings > Options > New SIP profile > Use default profile

Profile name:  Whatever you want.

Service profile : IETF

Default access point: Select your mobile or wifi access point

Public user name:

Use compression: No

Registration: select as per your requirement – When needed or Always. You may want to keep it on When needed if you are using mobile access point in order to reduce unwanted data traffic.

Proxy server has the following expansion
Proxy server address : None
Realm : None
User name : None
Password : Leave as it is.
Allow loose routing : Yes
Transport type : Auto
Port : 5060

Registrar server has the following options
Registrar server address :
User name: userid
Password: enter your password
Transport type: UDP
Port: 5060

Then go back till you are out.

Go to Menu > Tools > Settings > Connection > Internet tel. > Default >
SIP profiles : Select the profile you created above.

You are now ready to make SIP call.
Just type the number or choose the contact.  Then go to Options > Call > Internet Call.

Happy calling.

Tags: SIP call, VoIP call, Nokia mobile, E71