11. Adhearsion & IMS Interfaces
•Initial Filter Criteria (IFC)
•IMS Service Control (ISC Trigger)
12. IMS Integration
5. PRISM sends the call back to
1. Alice calls Bob
the IMS, now PRISM is a B2BUA
2. FMC forwards to IMS
6. IMS sends back to the
3. IMS forwards to PRISM via ISC
production network via FMC
4. Adhearsion gets an Offer and
7. Call now completes to Bob
Responds
from Alice