The starting point for implementing IMS supplementary services will be the OIP and OIR services. These are the most basic supplementary services in the legacy world, widely understood and used.
After OIP/OIR, I will implement the TIP and TIR supplementary services.
Supplementary services will later on be integrated with the Personal Network Management application.
The 3GPP specs that are of interest for this implementation are:
1. 3GPP TS 24.173
2. 3GPP TS 24.607
3. 3GPP TS 24.608
For any queries, feel free to leave comments to this post.
Thanks.