VoIP Experts in Frankfurt
in minutes from over 15,000 CVs with the power of AI.Hire experts who plan, deploy, and support VoIP systems, SIP trunking, call routing, and voice quality tuning. Work with specialists who can also handle PBX migration, softphone setup, and secure remote collaboration, matched fast and precisely with vetted, available freelancers.
Meet FRATCH Experts in Frankfurt, who have recently used VoIP
Mustafa Kederoglu
Last position:
Senior Network Design and Engineer at Helaba
Designed and specified the technical network integration of a new business-critical application system (MUREX) in the capital markets area in a complex interface and outsourcing environment.
Created component specifications, a catalog of measures and an implementation plan.
Ensured proper integration of the developed results in line with the bank’s framework: IT compliance, IT security, change and release management.
Selected and integrated a new service provider for the bank; moved critical bank applications to the provider.
Designed, implemented and supported the new Cisco network and Fortinet security setup at the service provider data center.
Acted as technical interface between the bank, service providers and consulting partners.
Supported and further developed the network and security infrastructure (clients, servers, networks); performed error analysis and implemented solutions within agreed service levels.
Analyzed and diagnosed all security and network failures, glitches and malfunctions.
Initiated continuous improvements to ensure efficient resource use and acceptable response times for users.
Provided network support in a financial services organization and prepared operational changes on production banking network infrastructure for both large and small projects within strict change management discipline.
Designed, defined, tested, governed and improved engineering standards.
Performed the role of network architect for medium to large projects involving team resources.
Thomas Hartung
Last position:
Project Manager & Tender Manager at GEA Group AG
- Implemented an access control solution and prepared tender documents for a visitor management system.
- As project manager, I was responsible for the successful rollout of a cloud-based access control system for two sites with around 4,000 employees.
- Accountable for the successful execution of the project.
- Created and aligned project plans and status reports with all stakeholders.
- Prepared/coordinated an initial effort or cost estimate and related planning for operational services implementation.
- Identified interfaces.
- Ensured budget and schedule compliance.
- As tender manager / demand manager, the following specific tasks were my responsibility:
- Analyzing potential suppliers.
- Gathering requirements.
- Creating and aligning the requirements catalog.
- Developing an evaluation matrix.
- Preparing the tender documents.
Driss Chaouat
Last position:
Freelancer – IT Service Manager at E.ON (Westnetz GmbH)
- Support and optimization of incident, change & problem processes based on ITIL for >10,000 users.
- Problem-solving for >1,000 complex cases/year across different service towers (File Services, Identity, Citrix, ANF).
- Work in the security cluster: vulnerability analysis and firewall change coordination.
- Governance & migration of file services to Azure NetApp Files (M365, Citrix, PowerShell), including data optimization.
- Creation and maintenance of business-critical process & operational services, enterprise documentation.
- Focus on stabilization, security (endpoint hardening), and optimization through AI solutions.
Krunal Patel
Last position:
Technical Project Manager at Moon Technolabs Pvt. Ltd.
- Manage end-to-end delivery of software projects across healthcare, gaming, and communication domains.
- Serve as Project Manager, Product Owner, and Scrum Master for multiple Agile teams.
- Oversee scope definition, sprint execution, and delivery tracking using Jira and Confluence.
- Design technical architectures and API strategies integrating Twilio, CRMs, and VoIP systems.
- Lead AI/ML projects implementing recommendation engines and automation workflows.
- Support pre-sales with effort estimation, technical documentation, and proposal reviews.
Peter Voloshin
Last position:
IT Consultant at Evotec KG
- Operation and administration of Windows 2016 / 2019 servers and domains
- Infrastructure services (Active Directory, ADFS, AD Azure Connect, DHCP, DNS, Group Policies)
- Consulting, support and troubleshooting of customer systems
- Documentation and concept design in the area of MS Active Directory
- Updating operation, process and system documentation
- Ticket handling (remote analysis and resolution via incident, change and problem management)
- Technologies: Windows 2022, Active Directory, ADFS, AD Azure Connect, DHCP, DNS, GPO, VMware vSphere, CheckMK, Exchange 2019, PowerShell, Jira, Confluence, Office 365, Matrix42, NetApp, Ansible
Leon Liepe
Last position:
IT Specialist / 2nd Level Support at HASOMED/ITCOS
- Client management
- Personnel management
- Meeting project targets
- Consulting & customer support
- Infrastructure support for medical practices
- Firewall setup
- End point protection installation and management
- Client-server infrastructure setup
- VPN installation
- Customizing, maintaining and updating existing systems and devices
- Telematics infrastructure (TI)
- VM connector configuration
- Communication in healthcare
- Activating HBA and SMC-B
- Error analysis and troubleshooting
- Employee support for industry-specific software
- Escalating tickets to 3rd level support
- Setting up card terminals (e.g. Orga, Cherry)
- EasyTI installation / configuration
- Troubleshooting & scheduling
- Deregistering old hardware/connectors
- Database management
Stefan Faust
Last position:
Project Management – Telecommunications at 1&1 Versatel
- Set of concurrent projects (BSS/OSS related)
Discover over 15,000 top freelancers
Statistics of experts using VoIP
Aggregated from the professional profiles of matched freelancers.
Experience
25 years (Germany: 27 years)
Position duration
1.8 years (Germany: 2.2 years)
Positions per freelancer
19 (Germany: 18)
Top business areas
Information Technology, Project Management, Operations
Top industries
Information Technology, Banking and Finance, Telecommunication
Certification focus areas
Information Technology, Project Management, Business Intelligence
Bachelor's degree or higher
100% (Germany: 76%)
Master's degree or higher
20% (Germany: 46%)
Certifications per freelancer
3 (Germany: 5)
Most common languages
German, English, Arabic
Speak two or more languages
100%
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Frankfurt are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Frankfurt using VoIP
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
VoIP basics
VoIP moves voice calls over IP networks instead of classic phone lines. It is used for business telephony, contact centres, internal voice systems, and unified communication setups. Strong experts understand how call flow, codecs, and network conditions shape day-to-day quality.
What they deliver
- SIP-based call routing and trunk setup
- PBX configuration and migration
- Softphone and desk phone integration
- Call recording, voicemail, and IVR flows
- Quality checks for jitter, delay, and packet loss
Core ecosystem
VoIP work often sits around SIP, RTP, SBCs, PBXs, and network gear that carries voice traffic. In many projects, specialists also work with Asterisk, FreePBX, Microsoft Teams Phone, Zoom Phone, or Cisco Voice setups. The right choice depends on scale, security needs, and how much control the company wants over the voice stack.
When companies bring in help
Companies look for freelance VoIP expertise during migrations, poor call quality incidents, office moves, and carrier changes. They also need support when remote teams must connect reliably or when Frankfurt offices need voice systems that fit local and international communication needs. Good specialists can work on-site or remotely, depending on access and rollout risk.
What strong specialists do
Strong VoIP professionals read network traces, isolate voice issues, and keep signalling and media paths clean. They know how to balance usability, security, and resilience across phones, trunks, SBCs, and endpoint devices. They also document changes clearly so operations teams can support the setup after delivery.
Signs you need one
- Calls drop, echo, or sound choppy
- SIP trunks fail or register unreliably
- A PBX migration is overdue
- Remote staff need stable voice access
- Security or firewall settings block voice traffic
Frequently asked questions
Before you brief your next project: the most common questions about VoIP.
VoIP is used for business voice calls over IP networks. It supports office telephony, contact centres, voicemail, IVR, call recording, and remote work phone access. Many companies also use it to replace older phone systems with a setup that is easier to scale and maintain.
Voice over IP is the broad method of carrying voice over data networks. SIP is one of the main signalling protocols used to set up and control those calls. In practice, people often say VoIP when they mean the whole voice stack, including SIP trunks, RTP media, and the PBX.
Bring in a VoIP specialist when you are migrating from legacy telephony, dealing with poor call quality, or introducing new trunks and endpoints. It also helps when internal teams need support for SBCs, PBX tuning, or firewall changes that affect voice traffic. Freelancers are a good fit for focused delivery and short turnaround work.
A strong VoIP professional usually knows SIP, RTP, network troubleshooting, and voice security basics. Depending on the project, they may also work with Asterisk, FreePBX, Microsoft Teams Phone, Zoom Phone, or Cisco voice environments. Linux, routing, and firewall knowledge are often part of the job too.
VoIP is the underlying voice technology, while hosted phone systems and UC platforms are ways to package and manage it. A hosted service can reduce day-to-day admin, but an in-house setup gives more control over routing, integrations, and security. The right choice depends on how much customisation the company needs.
VoIP projects can range from simple endpoint setups to complex migrations across sites and carriers. Small rollouts may only need one specialist who understands phones, trunks, and basic network checks. Larger changes usually need someone who can coordinate voice, security, and infrastructure details.
Many VoIP tasks can be done remotely, especially configuration, testing, and troubleshooting with access to logs and device status. On-site help in Frankfurt is useful for phone staging, cabling checks, local network issues, or cutovers where hands-on support lowers risk. Many teams use a mix of both.
Look for clear examples of call routing, SIP troubleshooting, and quality improvement work on VoIP systems. Strong specialists explain issues in plain language, document changes well, and understand the trade-offs between reliability, security, and ease of use. Ask how they handle packet loss, NAT, firewall rules, and carrier handovers.
The average hourly rate of freelancers in Frankfurt, Germany who have used VoIP in their recent projects is 102 €, which corresponds to a daily rate of about 815 € based on an 8-hour working day.
Of the freelancers in Frankfurt, Germany who have used VoIP in their recent projects, 100% hold at least a Bachelor's degree and 20% hold at least a Master's degree.
On average, freelancers in Frankfurt, Germany who have used VoIP in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 1.8 years.
The most common languages among freelancers in Frankfurt, Germany who have used VoIP in their recent projects are German (100%), English (100%), and Arabic (14%).
The most common industries among freelancers in Frankfurt, Germany who have used VoIP in their recent projects are Information Technology (100%), Banking and Finance (71%), and Telecommunication (71%).
The most common business areas among freelancers in Frankfurt, Germany who have used VoIP in their recent projects are Information Technology (100%), Project Management (100%), and Operations (86%).
Main locations of FRATCH Experts, who have recently used VoIP
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin 
Munich Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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Philipp Thomaschewski
FRATCH CEO
