To make VoIP your primary calling method, go to Settings > Calling > Call > Default call type and select Internet call .
Here is the exact path to find the hidden SIP settings in Symbian^3 v1.0 English firmware: sip voip 3 1 settings symbian 3 v1 0 en full
, E7, C7, etc.) requires the tool. This utility unlocks advanced settings like codec selection and 3G/WCDMA support that are otherwise hidden in the standard menu. 🛠️ Installation & Preparation To make VoIP your primary calling method, go
Complete Setup Guide for SIP VoIP 3.1 on Symbian^3 (v1.0 EN) sip voip 3 1 settings symbian 3 v1 0 en full
For the "full" enthusiast: Symbian^3 v1.0 allows manual editing of SIP headers via a hidden .ini file, though this requires hacking the phonebook2.ini via JBFM (Java Break File Manager). The 3.1 stack supports custom User-Agent: strings. Example: