2 of 2 Contract VoIP Jobs in Ipswich

Java Developer (SIP/VoIP) Ipswich (Hybrid) | 6 Month Contract | Inside IR35 My client, a leading telecoms company, is looking for an experienced Java Developer to join a team delivering next-generation voice and communications platforms. This is an exciting opportunity to work on large-scale telecoms services, cloud technologies … driven voice services Troubleshooting voice quality, call routing and network performance issues Essential Skills Strong commercial Java development experience Experience with SIP, VoIP, RTP/RTCP and SDP Knowledge of JAIN SLEE and/or SIP Servlet frameworks Experience with FreeSWITCH or Asterisk Cloud experience across AWS, Azure ...

Role: VoIP Automation Tester Type: Contract (6 Months with possible extension) Location: Ipswich, UK Working Model: Hybrid (3 days per week in office) Payrate: £300 to £369 per day on Inside IR35 via Umbrella We are looking for a highly skilled VoIP tester to ensure the reliability and quality … Jenkins, GitLab). Must-Have Skills: Protocols: Deep knowledge of SIP, RTP, and SDP. Automation: Python and Robot Framework. Diagnostics: Wireshark, tcpdump, PCAP analysis. VoIP Tools: SIPp, Spectra, WinSIP, or StarTrinity. OS/Systems: Linux (RHEL/CentOS) and basic server admin. Nice-to-Have: Experience with Perimeta SBC, Metaswitch ...