26 to 50 of 56 PBX Jobs in the UK

model with ROI forecast - Appendices with diagrams, BOM, capacity planning, vendor comparisons, and relevant Visio/Excel artifacts Proven track record of delivering transformation/migration strategies from legacy PBX to Microsoft Teams Voice at enterprise scale. Deep knowledge of Avaya systems (Aura, IP Office, CM, etc.) and telephony infrastructure (SBCs, SIP trunks, gateways). Expertise across Microsoft Teams Voice More ❯

model with ROI forecast - Appendices with diagrams, BOM, capacity planning, vendor comparisons, and relevant Visio/Excel artifacts Proven track record of delivering transformation/migration strategies from legacy PBX to Microsoft Teams Voice at enterprise scale. Deep knowledge of Avaya systems (Aura, IP Office, CM, etc.) and telephony infrastructure (SBCs, SIP trunks, gateways). Expertise across Microsoft Teams Voice More ❯

model with ROI forecast - Appendices with diagrams, BOM, capacity planning, vendor comparisons, and relevant Visio/Excel artifacts Proven track record of delivering transformation/migration strategies from legacy PBX to Microsoft Teams Voice at enterprise scale. Deep knowledge of Avaya systems (Aura, IP Office, CM, etc.) and telephony infrastructure (SBCs, SIP trunks, gateways). Expertise across Microsoft Teams Voice More ❯

model with ROI forecast - Appendices with diagrams, BOM, capacity planning, vendor comparisons, and relevant Visio/Excel artifacts Proven track record of delivering transformation/migration strategies from legacy PBX to Microsoft Teams Voice at enterprise scale. Deep knowledge of Avaya systems (Aura, IP Office, CM, etc.) and telephony infrastructure (SBCs, SIP trunks, gateways). Expertise across Microsoft Teams Voice More ❯

model with ROI forecast - Appendices with diagrams, BOM, capacity planning, vendor comparisons, and relevant Visio/Excel artifacts Proven track record of delivering transformation/migration strategies from legacy PBX to Microsoft Teams Voice at enterprise scale. Deep knowledge of Avaya systems (Aura, IP Office, CM, etc.) and telephony infrastructure (SBCs, SIP trunks, gateways). Expertise across Microsoft Teams Voice More ❯

model with ROI forecast - Appendices with diagrams, BOM, capacity planning, vendor comparisons, and relevant Visio/Excel artifacts Proven track record of delivering transformation/migration strategies from legacy PBX to Microsoft Teams Voice at enterprise scale. Deep knowledge of Avaya systems (Aura, IP Office, CM, etc.) and telephony infrastructure (SBCs, SIP trunks, gateways). Expertise across Microsoft Teams Voice More ❯

model with ROI forecast - Appendices with diagrams, BOM, capacity planning, vendor comparisons, and relevant Visio/Excel artifacts Proven track record of delivering transformation/migration strategies from legacy PBX to Microsoft Teams Voice at enterprise scale. Deep knowledge of Avaya systems (Aura, IP Office, CM, etc.) and telephony infrastructure (SBCs, SIP trunks, gateways). Expertise across Microsoft Teams Voice More ❯

model with ROI forecast - Appendices with diagrams, BOM, capacity planning, vendor comparisons, and relevant Visio/Excel artifacts Proven track record of delivering transformation/migration strategies from legacy PBX to Microsoft Teams Voice at enterprise scale. Deep knowledge of Avaya systems (Aura, IP Office, CM, etc.) and telephony infrastructure (SBCs, SIP trunks, gateways). Expertise across Microsoft Teams Voice More ❯

model with ROI forecast - Appendices with diagrams, BOM, capacity planning, vendor comparisons, and relevant Visio/Excel artifacts Proven track record of delivering transformation/migration strategies from legacy PBX to Microsoft Teams Voice at enterprise scale. Deep knowledge of Avaya systems (Aura, IP Office, CM, etc.) and telephony infrastructure (SBCs, SIP trunks, gateways). Expertise across Microsoft Teams Voice More ❯

detailed report including an executive summary, key recommendations, migration stages, risks, architecture evolution, integrations, commercial impact, ROI forecast, and appendices with diagrams and artifacts. Proven experience delivering enterprise-scale PBX to Microsoft Teams Voice migrations. Deep knowledge of Avaya systems and telephony infrastructure. Expertise in Microsoft Teams Voice ecosystem and regulatory compliance requirements. Experience producing high-standard, customer-facing consulting More ❯

teams to resolve technical issues. Industry experience including understanding of the contact centre business, as well as general market and business trends. Understanding of networking technologies and telecommunications architecture (PBX, Carriers, VoIP). Demonstrated ability to work independently as part of a larger team. Ability to excel in a fast-paced, agile environment with assertiveness, critical thinking, and strong problem More ❯

teams to resolve technical issues. Industry experience including understanding of the contact centre business, as well as general market and business trends. Understanding of networking technologies and telecommunications architecture (PBX, Carriers, VoIP). Demonstrated ability to work independently as part of a larger team. Ability to excel in a fast-paced, agile environment with assertiveness, critical thinking, and strong problem More ❯

leading provider of business cloud communications and contact center solutions based on its powerful Message Video Phone(MVP) global platform. More flexible and cost effective than legacy on-premises PBX and video conferencing systems that it replaces, RingCentral empowers modern mobile and distributed workforces to communicate, collaborate, and connect via any mode, any device, and any location. RingCentral is headquartered More ❯

and scalability of communication systems used by clients and internal teams. Key Responsibilities: VoIP Platform Engineering: Develop, operate, and support VoIP systems including SIP proxies (Kamailio/OpenSIPS), Asterisk PBX, and VoIP gateways. Design, build, test, and deploy telephony solutions including IP PBX, EPABX, and related infrastructure. Implement and enhance functionalities using Asterisk AGI, AMI, ARI interfaces. Collaborate on custom … PBX deployments and integrations with third-party systems. System Support and Troubleshooting: Handle L3 support escalations, perform advanced diagnostics, and resolve critical voice and networking issues. Monitor and analyse telephony traffic to identify anomalies, optimise performance, and reduce call quality issues. React quickly to alerts and incidents , working to rapidly restore service and conduct post-incident reviews. Infrastructure and Development More ❯

Support & Field Engineer , you will be supporting our Business customers with their queries as well as carrying out site visits for business installations of: IT Infrastructure design and implementation PBX and Hosting config, deployments and training Firewalls and PfSense Networking PCs and MACs config, installation Security Audits, GDPR/PCI Audits Wi-Fi, cabling, patching Project Management You must be More ❯

yourachievements. Main Duties Service request diagnosis and resolution IT – Troubleshoot desktop issues affecting users, workstations, applications, and file storage. Connectivity – Identify and resolve basic line faults. Telephony – Administer soft PBX systems and perform basic troubleshooting. Mobile – Manage wholesale portals and configure mobile device management systems. Pass complex issues to senior or specialist engineers as needed. Hardware setup and maintenance Set More ❯

ensure seamless architectural integration. Foster a culture of openness, innovation, and continuous improvement within the technology function. Voice Systems Architecture Design and architect enterprise voice communication systems (VoIP, SIP, PBX, UCaaS). Develop strategic plans for voice infrastructure and ensure integration with existing data networks. Evaluate, select, and manage relevant platforms, technologies, and vendors. Ensure compliance with performance, security, and More ❯

log issues (with guidance) regarding network devices such as printers, Apple Mac, Windows computers and laptops (including installed software products), IP camera systems, network switches, biometric systems, NAS servers, PBX Phone systems Monitor all of the IT estate backup procedures Perform Daily procedural checks Create and administer Active Directory users and organise mailboxes Create ERP users and profiles To support More ❯

leading provider of business cloud communications and contact center solutions based on its powerful Message Video Phone(MVP) global platform. More flexible and cost effective than legacy on-premises PBX and video conferencing systems that it replaces, RingCentral empowers modern mobile and distributed workforces to communicate, collaborate, and connect via any mode, any device, and any location. RingCentral is headquartered More ❯

Join Vonage and help us innovate cloud communications for businesses worldwide! Travel Requirements: Light Organization: Vonage Location: International, remote Role: Salesforce Dedicated Product Manager responsible for SCV, BYOC-CCaaS, dialler/connect, external routing and Log a Call. Vonage Product More ❯

Key responsibilities for the Telephony Engineer will include: • Provide technical support of telephony systems, including but not limited to Unify and Cisco UCM, including legacy solutions. • Management of associated PBX applications, such as, Attendant Console, Call Routing, Voicemail, Call Recording and Fax & SMS Management applications. • Experience of administering, monitoring and troubleshooting Voice technologies and platforms. • Change management and risk assessment … Engineer:- • At least 5 years' experience working in one or multiple IT areas. • Degree in IT or appropriate discipline(s) - desired but not essential. • Experience in managing or supporting PBX migrations • Strong knowledge of video & voice technology. • Strong knowledge of Unify Hipath systems and services. • Strong knowledge of Cisco UCM • Experience of using tools such as Wireshark and other troubleshooting More ❯

Analyst, you will provide essential first-line support for telephony and communication systems, ensuring seamless voice connectivity for a global customer base. You will be responsible for troubleshooting VoIP, PBX, and unified communications platforms, resolving telephony-related incidents through phone and case management systems. Working in shift patterns ranging from 8am to 11pm, with later shifts occurring once every six … when needed, and collaborate with senior IT support teams to maintain efficient operations. Responsibilities Follow IT support procedures and escalate issues when needed. Troubleshoot and triage telephony, VoIP, and PBX support cases. Document system failures and update internal databases. Manage customer cases from setup to ongoing support, ensuring SLAs are met. Act as the technical lead during customer service reviews. … at the Milton Keynes office 5 days a week. Strong verbal and written communication skills in English (Spanish is a bonus). Familiarity with telephony systems, VoIP (SIP, RTP), PBX solutions, cloud telephony, and call routing. Ability to troubleshoot voice connectivity issues efficiently. Strong Linux and SQL knowledge (hands-on experience is a bonus). What you'll get in More ❯

Key responsibilities for the Telephony Engineer will include: Provide technical support of telephony systems, including but not limited to Unify and Cisco UCM, including legacy solutions. Management of associated PBX applications, such as, Attendant Console, Call Routing, Voicemail, Call Recording and Fax & SMS Management applications. Experience of administering, monitoring and troubleshooting Voice technologies and platforms. Change management and risk assessment … Engineer:- At least 5 years experience working in one or multiple IT areas. Degree in IT or appropriate discipline(s) desired but not essential. Experience in managing or supporting PBX migrations Strong knowledge of video & voice technology. Strong knowledge of Unify Hipath systems and services. Strong knowledge of Cisco UCM Experience of using tools such as Wireshark and other troubleshooting More ❯

South East and London areas. About the Job: Reporting to the Sales Director, your role as a Telecoms Field Sales Executive will focus on developing new business opportunities in PBX, Hosted, and Network Services through a combination of field sales and telesales activities. You will also manage and develop existing accounts to maximize sales revenue. The ideal candidate will be … ability to operate effectively in a high-pressure, deadline-driven sales environment to close deals and meet targets. Skills/Experience Required: Proven track record in B2B Telecoms Sales (PBX, Hosted, Network Solutions) Ability to identify and secure new business opportunities Experience in developing existing customer accounts to maximize revenue Computer literate, organized, and capable of prioritizing tasks to deliver More ❯

Key responsibilities for the Telephony Engineer will include: •Provide technical support of telephony systems, including but not limited to Unify and Cisco UCM, including legacy solutions.•Management of associated PBX applications, such as, Attendant Console, Call Routing, Voicemail, Call Recording and Fax & SMS Management applications.•Experience of administering, monitoring and troubleshooting Voice technologies and platforms.•Change management and risk assessment … Engineer:- •At least 5 years’ experience working in one or multiple IT areas.•Degree in IT or appropriate discipline(s) – desired but not essential.•Experience in managing or supporting PBX migrations•Strong knowledge of video & voice technology.•Strong knowledge of Unify Hipath systems and services.•Strong knowledge of Cisco UCM•Experience of using tools such as Wireshark and other troubleshooting More ❯