- Service and platform design skills (we are responding to the RFQs designing the whole solution, or just the service – depending on the requirements)
- Signaling protocols knowledge (MAP/CAP/INAP) – this includes experience with INAP Ericcson CS1+ and Siemens SINAP.
- VoIP solutions based on proved open source components like Asterisk, FreeSWITCH etc.
- IMS solutions fully compliant with 3GPP and TISPAN IMS specifications like Open IMS Core platform
- Service integration experience – incl. testing and debugging.
- OSS integration experience
- Billing system integration experience
- Experience in development of charging solutions based on Diameter and other proprietary protocols.