4 of 4 Contract Asterisk PBX Jobs in England

Network Solution Architect

Hiring Organisation
Sanderson Government and Defence
Location
Salisbury, Wiltshire, South West, United Kingdom
Employment Type
Contract
project delivery frameworks such as TOGAF and PRINCE2. Familiarity with SIEM technologies and wider network security tooling. Cisco Unified Communications and/or Asterisk PABX experience. Experience with cloud technologies including Microsoft Azure, AWS and Microsoft 365. To learn more, please do reach out to Jess Walrond ...

Software Engineering Specialist

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £400/day
maintain mid-to-high performance SIP-based voice services using JAIN SLEE, SIP Servlets. Media Server Administration: Configure, manage, and scale FreeSWITCH or Asterisk communication engines. Speech AI Integration: Implement Speech-to-Text (STT), Text-to-Speech (TTS), and Natural Language Processing (NLP) workflows into live voice streams. ...

Software Engineering Specialist (Voice/JAIN SLEE)

Hiring Organisation
Randstad Technologies Recruitment
Location
Ipswich, Suffolk, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
Servlets) and integrating advanced Speech AI technologies across multi-cloud environments. Environment: Agile, cross-functional delivery unit configuring media engines like FreeSWITCH or Asterisk, analyzing network traffic, and deploying conversational AI bots alongside senior architects and DevOps teams. Requirements: Professional Java experience (including multi-threading and network programming … hands-on scripting with FreeSWITCH or Asterisk, deep knowledge of voice protocols (SIP, RTP/RTCP, SDP), and experience with cloud Speech APIs (AWS, Azure, GCP) and Wireshark/sngrep. This is an urgent vacancy where the hiring manager is shortlisting for an interview immediately. If interested, please ...

Java Developer

Hiring Organisation
Adecco
Location
Ipswich, Suffolk, United Kingdom
Employment Type
Contract
enhancing SIP-based voice applications using Java Working with JAIN SLEE and SIP Servlet frameworks Supporting and integrating voice platforms including FreeSWITCH and Asterisk Deploying and supporting solutions across AWS, Azure and GCP Integrating Speech-to-Text, Text-to-Speech and AI-driven voice services Troubleshooting voice quality … 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 or GCP Strong troubleshooting skills within telecoms or voice environments Nice to Have Docker and Kubernetes WebRTC Telecoms security ...