VoLTE Experts in Germany
in minutes from over 15,000 CVs with the power of AI.Hire experts who deliver VoLTE setup, IMS integration, SIP interoperability, and voice quality tuning for mobile and fixed networks. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used VoLTE
Waseem Sattar
Last position:
Solution Architect / Subject Matter Expert at FRMCS terminal device manufacturer
Participation in the EU-funded MORANE-2 project to validate the Future Railway Mobile Communication System (FRMCS) in real-life use cases: creation of the requirement specifications for TOBA as well as the associated test specifications.
Technologies: 5GS (Radio & Core), FRMCS, MCx (MCPTT, MCData, MCVideo), MC Gateway UE, MCx Priority/Security/QoS Management, ETCS, SIP, IMS
Ciro Manno
Last position:
Enterprise Consultant at Freelancing
Independent consulting engagements supporting technology organizations on governance, system integration, and delivery structure.
- Supported technology organizations in strengthening governance, system integration planning, and delivery structure.
- Reviewed BSS/OSS modernization and data migration programs, validating effort estimates and identifying delivery risks.
- Introduced simple reporting and tracking tools to improve coordination across distributed teams.
- Advised on integration planning and governance, helping teams improve delivery structure and stakeholder alignment.
Martin Schaefer
Last position:
MS Fabric Certification
MS Fabric certification with creation of pipelines and notebooks in Fabric using data from Azure, Azure Repos, Azure Boards, and GitHub. Data ingestion via OneLake Explorer, direct IP connection, and API (REST) are the main topics
Hamdi Dogan
Last position:
E-Mobility Project Manager at DELTA ENERGY SYSTEMS (GERMANY) GmbH
- Analysis of subject-specific requirements considering the project goal (using Doors as tool)
- Derivation of work packages and definition of milestones based on the prior requirements analysis
- Creation and ongoing update of the project plan using MS Project
- Coordination with specialists and series production industrialization
- Review and tracking of milestones and work packages (MS Project, JIRA Confluence)
- Preparation of monthly presentations on the project, project planning, status and outlook to management
- Coordination of prototype setups and tests as part of design verification
- Documentation of all project activities, including all required forecasts, analyses, recommendations and plans (A-Spice compliant)
- Coordination with sites in China and Thailand
Alain Gérard Ename
Last position:
Business Analysis / Requirements Engineering at 1&1
- Creating the functional specification for a dashboard solution for E2E management in the 5G deployment team in an Open RAN architecture
- Developing dashboards and reports with Power BI Desktop (data connection using Power Query, KPI calculations with DAX, publishing to Power BI Service)
- Developing solutions with Power Apps
- Integrating Power BI reports into Dynamics 365 Business Central
Hasan Kocer
Last position:
Customer Project Manager at Nokia Networks
- Orange France - APEX
- Network APIs testing, NEF deployment on AWS (SaaS)
- Network APIs testing via NEF deployment on fCaaS (Orange Cloud, OTC)
- Orange Moldova Cloud SDM and IMS swap project
- Telenor SCIP cloudification project (case solution management with R&D)
Discover over 15,000 top freelancers
Statistics of experts using VoLTE
Aggregated from the professional profiles of matched freelancers.
Experience
26 years
Position duration
2.2 years
Positions per freelancer
17
Top business areas
Product Development, Information Technology, Operations
Top industries
Information Technology, Manufacturing, Telecommunication
Certification focus areas
Information Technology, Project Management, Quality Assurance
Bachelor's degree or higher
100%
Master's degree or higher
67%
Doctorate
17%
Certifications per freelancer
3
Most common languages
German, English, Spanish
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 Germany 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 Germany using VoLTE
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
VoLTE basics
VoLTE, or Voice over LTE, carries voice calls over the 4G data network instead of legacy circuit-switched voice paths. It is used in mobile core projects, operator migrations, enterprise connectivity, and service assurance work where call setup, handover, and audio quality must stay stable.
Where it is used
- LTE voice services for mobile operators
- IMS-based calling and core network upgrades
- SIP interconnect and roaming work
- QA for call setup, codec use, and fallback behavior
- Troubleshooting of dropped calls and one-way audio
Skills that matter
Strong VoLTE professionals understand IMS, SIP, SDP, RTP, and telephony signaling. They also know radio and core network behavior, codec negotiation, handover logic, and how Android and iPhone devices behave on different carrier profiles.
Tools and ecosystem
A typical stack includes IMS cores, SBCs, PCRF or PCF components, test phones, packet captures, and traffic analyzers. Experts who work with VoLTE often read traces from Wireshark, review SIP logs, and test against device certification plans and carrier acceptance flows.
When companies bring in experts
Companies usually need freelance help during network launches, vendor swaps, voice-quality incidents, or migration away from legacy voice systems. In Germany, this often means coordinating with local carriers, device teams, and remote network operations while keeping documentation and handover clear in English and German.
What strong specialists deliver
A good specialist does more than configure profiles. They trace signaling, isolate codec or roaming problems, validate emergency calling paths, and document what changed so operations teams can support the service after launch.
Frequently asked questions
Before you brief your next project: the most common questions about VoLTE.
VoLTE carries voice calls over LTE instead of falling back to older voice networks. Companies use it for mobile service delivery, IMS integration, roaming, and voice-quality work where call setup and handover must be reliable.
Yes, VoLTE is commonly called Voice over LTE or LTE calling. In some projects people also talk about HD Voice, but that term is broader and can be used for other voice improvements as well.
A strong VoLTE specialist understands IMS, SIP, RTP, codecs, and telecom troubleshooting. They should also be able to read signaling traces, explain call failures clearly, and work with device and carrier teams without guesswork.
VoLTE uses the LTE packet network for voice, which changes how calls are set up, maintained, and handed over. Compared with circuit-switched voice, it depends more on IMS, SIP signaling, and device profile alignment.
People working with VoLTE often need IMS, SIP, SBC, and packet analysis skills. Knowledge of radio access behavior, roaming, emergency calling, and handset testing is also very useful.
A VoLTE project usually needs someone who has already handled real signaling, integration, or troubleshooting work. Small configuration tasks can be lighter, but migrations, launch support, and incident analysis need deeper hands-on expertise.
Yes, much of VoLTE work can be done remotely because logs, traces, and lab access can be shared online. On-site time still helps for device testing, core network changes, and workshops with local operations teams in Germany.
Look for clear trace analysis, practical examples of fixing call issues, and calm communication with network teams. A good VoLTE freelancer explains root causes, not just symptoms, and leaves documentation that operations teams can use.
The average hourly rate of freelancers in Germany who have used VoLTE in their recent projects is 98 €, which corresponds to a daily rate of about 780 € based on an 8-hour working day.
Of the freelancers in Germany who have used VoLTE in their recent projects, 100% hold at least a Bachelor's degree, 67% hold at least a Master's degree, and 17% hold a doctorate.
On average, freelancers in Germany who have used VoLTE in their recent projects have 26 years of professional experience, with a single engagement typically lasting around 2.2 years.
The most common languages among freelancers in Germany who have used VoLTE in their recent projects are German (100%), English (100%), and Spanish (33%).
The most common industries among freelancers in Germany who have used VoLTE in their recent projects are Information Technology (83%), Manufacturing (67%), and Telecommunication (67%).
The most common business areas among freelancers in Germany who have used VoLTE in their recent projects are Product Development (100%), Information Technology (83%), and Operations (83%).
Main locations of FRATCH Experts, who have recently used VoLTE
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 Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
