All Services Programming & Development SIP debugging or VoIP help $5/hr · Starting at $25 Expertise in diagnosing VoIP problems with the SIP signalling protocol. Help with understanding packet captures and root cause analysis of SIP interworking faults. About $5/hr · Ongoing Download Resume Expertise in diagnosing VoIP problems with the SIP signalling protocol. Help with understanding packet captures and root cause analysis of SIP interworking faults. Skills & Expertise AnalysisDebuggingSipVoIP 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts VoIP ServicesPython DevelopersPHP Developers