Asterisk Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Asterisk
Peter Kortmann
Last position:
Hardware and Software Developer / Project Manager at Anonymer Kunde
- Development of control units for the automotive industry incl. embedded software
- CAN bus, Vector Tools, CANoe
- Support of the development process according to ISO 26262
- Ensuring cyber security standards:
- Key exchange (PKI) between vehicle and control units
- Hardware Security Module (HSM)
- Communication with external service providers (international)
- Development (PCB) of measuring adapters, statistical analysis of sensors
- IoT and embedded software development, backend administration
Abdelhak Mahou
Last position:
Network Architect at Bechtle Managed Services GmbH
- Created as-is network documentation for a Bechtle customer
- Analyzed existing configurations and adjusted them
- Advised on Fortinet and Check Point products
- Troubleshot complex routing, switching and application issues
- Tools: MS Azure, FortiManager, Cisco Nexus & Catalyst, Cisco WLAN Controller, Citrix Netscaler SD-WAN, MS Visio, Checkpoint VSX, Wireshark
Aladdin Alzoubi
Last position:
Technical Consultant at NFON
- Presentations and workshops regarding different VOIP products and technologies
- Design of VOIP and network solutions from core to premium solutions and necessary non-standard solutions
- Processing of tenders
- Development of VOIP and network technical implementation of customer requirements
- Implement and configure different UC products on cloud
Andreas Nolden
Last position:
Open Source Founder at Privatier
- AI-supported source code analysis
- AI image generation for a shirt shop
- AI-supported analysis of connected YouTube channels and commenting users
- AI-supported software prototyping
- Operation of a local AI environment
- 3D printing and scanning: development of a process to repair GfK parts using 3D-printed negative molds
The focus is on practical applications of new technologies, founding an open-source project for a yacht autopilot, as well as yacht refit and motorhome conversion.
Bernhard Müller
Last position:
Leading Red Hat OpenShift Architect at Deutsche Rentenversicherung
- Architecture review and continuation of the architecture of two Red Hat OpenShift 4.16 environments: one for the so-called legacy environment in Berlin, consisting of two availability zones, and the other for a geo-redundant cluster between Berlin and Würzburg with three availability zones each.
- Further development or creation of the detailed designs for the legacy data center and the new DRV data center.
- Architecture of the hub clusters.
- Architecture of the RHACM and RHACS components.
- Architecture of the Red Hat Quay repositories and the connection and replication of existing JFrog Artifactory repositories.
- Creation of the required firewall requests.
- Review of the BSI basic protection checks of the environments and creation of implementation instructions.
- Design and requirements analysis of the Quay image registries.
- Design for the use of Hashicorp Vault as a secret store for the clusters.
- Creation of a backup concept for the Red Hat OpenShift clusters.
- Creation of concepts for the lifecycle of the images in the registries.
- Design of a federated user management based on LDAP/AD for the administrative OpenShift users.
Martin Wenskus
Last position:
Training and Knowledge Management at Adam Hall Group
- Supporting the rollout of Shopware 6, including creating a comprehensive knowledge base and training videos
- Developing a Moodle-based e-training system and conducting internal training sessions
Martin Wilhelmi
Last position:
Security Auditor at MissionMe
- Environment: AWS, Ruby on Rails, GraphQL, React Native
- Penetration test for Backend, Android-App and iOS-App
H̊akan Källberg
Last position:
Consultant at Simulina GmbH
- Project planning of photovoltaic systems for a citizens' initiative
- Design of billing systems
Michael Okuboyejo
Last position:
Software Engineer at Zalando SE
Discover over 15,000 top freelancers
Statistics of experts using Asterisk
Aggregated from the professional profiles of matched freelancers.
Experience
20 years
Position duration
1.8 years
Positions per freelancer
18
Top business areas
Information Technology, Project Management, Operations
Top industries
Information Technology, Retail, Telecommunication
Certification focus areas
Information Technology, Business Intelligence, Quality Assurance
Bachelor's degree or higher
80%
Master's degree or higher
60%
Doctorate
20%
Certifications per freelancer
2
Most common languages
English, German, Spanish
Speak two or more languages
89%
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 Asterisk
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
Voice systems
Asterisk is an open source telephony engine used to build business phone systems, contact centers, and voice routing. It sits at the core of many SIP-based setups and is often chosen when teams need full control over call handling, extensions, and routing logic.
Core work
- SIP trunk setup and registration
- Dialplans for inbound and outbound flows
- IVR menus and call queues
- Voicemail, call recording, and announcements
- Failover and routing logic
Ecosystem
Strong Asterisk specialists know the surrounding stack, not just the core service. They work with FreePBX, Linux, SIP endpoints, RTP, codecs, and tools such as AMI and ARI when systems need custom control or deeper integrations.
When to hire
Companies usually bring in freelance Asterisk experts when a phone system needs migration, cleanup, or rescue. This is common when calls drop, routing gets messy, extensions do not behave as expected, or a legacy PBX must connect with CRM, ticketing, or messaging tools.
What good experts do
Good professionals read logs, trace SIP signaling, and understand how small dialplan changes affect live traffic. They document routing rules clearly, keep configs maintainable, and know how to balance stability, security, and flexibility in production systems.
Germany projects
In Germany, Asterisk work often supports distributed offices, support desks, and VoIP setups that need clear handover and German-language coordination. Remote collaboration is common, but on-site work can help during cutovers, carrier checks, or when a local network or SBC needs hands-on review.
Frequently asked questions
Not sure where to start with Asterisk? These answers cover the essentials.
Asterisk is used to build phone systems that handle inbound and outbound calls, IVR menus, queues, voicemail, and call recording. Companies also use it as the voice layer behind support lines, sales lines, and internal telephony, especially when they need custom call routing.
Asterisk is often chosen when teams want a proven, scriptable PBX with a very broad ecosystem. FreeSWITCH can fit different media and scaling needs, while hosted systems reduce control but simplify operations. The right choice depends on how much custom call logic and integration work the project needs.
A strong Asterisk specialist usually knows Linux, SIP, RTP, codecs, and network troubleshooting. Experience with FreePBX, carrier trunks, firewalls, and logging tools helps a lot when the system must work reliably in production.
A small internal phone setup may only need a specialist for a short configuration task. A migration, a multi-site call flow, or a CRM-connected voice stack needs someone who has handled dialplans, trunking, and production troubleshooting before. Asterisk work gets harder once custom routing and live traffic are involved.
Asterisk can often be delivered remotely because most work happens in configs, logs, and SIP traces. On-site support is useful for go-lives, network issues, hardware checks, or cases where local teams need direct handover. In Germany, many projects mix both approaches.
If calls fail after changes, queues behave unpredictably, trunks do not register, or the dialplan has become hard to maintain, it is time to bring in a Asterisk expert. Another signal is when the system must connect to other tools but no one wants to touch the existing call logic.
Ask which parts of Asterisk they have configured before: trunks, dialplans, IVR, queues, recordings, or API integration. Also ask how they test changes, how they document routing, and how they handle rollback if a live call flow breaks.
Yes, Asterisk can still be a strong choice when you need control, custom routing, and open source flexibility. It is especially useful when the system must connect with internal tools or when you want to avoid being locked into a fixed hosted setup. The key is to have a specialist who can keep the design clean.
The average hourly rate of freelancers in Germany who have used Asterisk in their recent projects is 104 €, which corresponds to a daily rate of about 832 € based on an 8-hour working day.
Of the freelancers in Germany who have used Asterisk in their recent projects, 80% hold at least a Bachelor's degree, 60% hold at least a Master's degree, and 20% hold a doctorate.
On average, freelancers in Germany who have used Asterisk in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 1.8 years.
The most common languages among freelancers in Germany who have used Asterisk in their recent projects are English (100%), German (89%), and Spanish (56%).
The most common industries among freelancers in Germany who have used Asterisk in their recent projects are Information Technology (100%), Retail (67%), and Telecommunication (67%).
The most common business areas among freelancers in Germany who have used Asterisk in their recent projects are Information Technology (100%), Project Management (89%), and Operations (78%).
Main locations of FRATCH Experts, who have recently used Asterisk
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
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Philipp Thomaschewski
FRATCH CEO
