Beschreibung
Project Description:- Design and implementation of highly availably, distributed VoIP (SIP / RTP) real time applications for the NGN CC TAS VoIP carrier solution: high level design (HLD), development of application and test script code, execution of (script based) unit tests (CUT).
- Support of the NGN CC solution architects in the specification of new or modified functionalities for the NGN CC TAS VoIP solution.
- Active participation in reviews of specifications, design workbooks, source code and technical manuals / user guides.
- Support of sizing (estimating) and planning activities during the solution design phase.
- Problem analysis and resolution (bug fixing) in the context of the NGN CC TAS VoIP solutions during integration test, system test, acceptance test and production.
Qualifications:
- Very good experience with C++, C++ Template-Libraries (STL)
- Telco Skill (PSTN, VoIP, SIP)
- Knowledge in Protocols and signaling technologies in VoIP environment: SIP, RTP/SRTP, TCP/TLS, UDP, MGCP, IP Layer 2/3, HTTP, Radius, Diameter
- Experience in Debugging / Post-Mortem analysis (Trace, Log, Dump)
- Knowledge of SQL, DB2, Postgres, Bash, Python, LUA, Unix / Linux
- Experience in tools like GIT, Gerrit, SCons
- Experience with multitasking / multithreading as well as high avalybility systems
- Knowledge of Software-Architecture / -design