folder. You can initiate an "Internet Call" directly from a contact's options or set it as the default call type in Settings > Call > Default call type AltoTelecom like Zadarma or VoipVoip? Symbian SIP Setup VoIP Settings Configuration - AltoTelecom
Once the SIP profile shows as , you need to link it to the internet telephone service: sip voip 3 1 settings symbian 3 v1 0 en full
Obtain the Nokia_SIP_VoIP_Settings_v1_0_en.sis or similar version for Symbian^3. folder
The Symbian^3 v1.0 SIP VoIP implementation was ahead of its time. With just – correct APN binding, precise registrar/proxy configuration, and STUN‑based NAT traversal – you can transform a 2010-era Nokia into a fully functional VoIP handset. precise registrar/proxy configuration