also optional: Outbound proxy (leave empty if not needed), Route (empty), and Codec priority (see Step 4).
: Open the "SIP VoIP Settings" application, find your profile, and set Allow VoIP over WCDMA to "On". sip voip 3 1 settings symbian 3 v1 0 en full
Device setup guide — SIP / VoIP configuration for Symbian^3 v1.0 (English) also optional: Outbound proxy (leave empty if not
Before starting, ensure your phone has the application installed. find your profile
Once the SIP profile shows as , you need to link it to the internet telephone service: