PCMA -> PCMU -> GSM (avoid G.729 and iLBC on v1.0 firmware due to jitter buffer bugs).
In the profile’s → Advanced → SIP specific : sip voip 3 1 settings symbian 3 v1 0 en full
Before using the advanced app, you must create a standard connection profile: Nokia VoIP Symbian SIP Setup VoIP Settings Configuration PCMA -> PCMU -> GSM (avoid G
To unlock advanced features like VoIP over 3G (WCDMA) and codec selection, you must install the Nokia SIP VoIP Settings enter a number in the dialer
Once configured, go to and select your profile as the preferred one. To make a call, enter a number in the dialer, select Options > Call > Internet call .