If your device shows "Registration Failed" with no error code, double‑check the Realm field – Symbian is case-sensitive here.

also optional: Outbound proxy (leave empty if not needed), Route (empty), and Codec priority (see Step 4).

A single contact appeared in the list. No name. Just a string of hex code. Elias pressed the green call button and held the Nokia to his ear.

While the Symbian platform is no longer actively developed, the SIP VoIP 3.1 implementation remains robust. By carefully matching the Proxy and Registrar settings to your provider's requirements, you can turn a legacy Nokia N8 or E7 into a powerful desk phone replacement.

If calls have no audio, look for STUN settings within the app and enter a public STUN server (e.g., ://google.com ). 📞 Making Calls

If you need the or a developer feature breakdown (e.g., what’s exposed in the Symbian SIP API v3.1), let me know and I’ll adjust accordingly.

Provides codec management to improve voice quality on slower connections (e.g., prioritizing the G729 codec AltoTelecom Core Configuration Settings

To make VoIP your primary calling method, go to Settings > Calling > Call > Default call type and select Internet call .