Asterisk Experts in Germany
, matched with vetted and available freelancers in minutesHire experts who design SIP-based telephony, integrate call center workflows and connect CRM systems with Asterisk. FRATCH matches you quickly and precisely with vetted, available freelancers for focused delivery.
Meet FRATCH Experts in Germany, who have recently used Asterisk
Martin W.
Last position:
Security Auditor at MissionMe
- Environment: AWS, Ruby on Rails, GraphQL, React Native
- Penetration test for Backend, Android-App and iOS-App
Aladdin A.
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
Peter K.
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 M.
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
Andreas N.
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 M.
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.
H̊akan K.
Last position:
Consultant at Simulina GmbH
- Planning of photovoltaic systems for a citizens' initiative
- Design of billing systems.
Martin W.
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
Michael O.
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 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging 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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Asterisk experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (100%)
- Retail (67%)
- Telecommunication (67%)
- Banking and Finance (56%)
- Education (44%)
- Manufacturing (44%)
- Professional Services (44%)
- Automotive (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Open-source telephony
Asterisk is an open-source framework for building voice, video and unified communications systems. It provides the core services behind IP PBX installations, hosted phone systems, IVR menus, conferencing and automated call flows. Teams can run it on their own infrastructure and adapt the behavior to their processes.
Core protocols
Asterisk works with SIP, RTP, WebRTC and common telephony interfaces. Experts configure endpoints, trunks, codecs, dial plans, queues, voicemail and call recording while managing authentication and network boundaries. They also connect analog or digital gateways when a project must bridge traditional telephony with VoIP.
Ecosystem and tooling
The ecosystem includes Asterisk REST Interface, Asterisk Manager Interface, PJSIP, FreePBX and a wide range of SIP providers and hardware. Strong specialists understand Linux operations, PostgreSQL or MySQL, scripting, Docker and monitoring. They may also work with speech services, CRM APIs and contact-center applications around an Asterisk PBX.
Where companies use it
- Custom PBX systems for distributed offices
- Inbound support queues with routing and reporting
- Outbound campaigns and agent workflows
- IVR, callback and appointment phone services
- WebRTC softphones and browser-based calling
Asterisk appears in logistics, healthcare, retail, financial services and public-facing support operations. In Germany, specialists often support multilingual call flows, regional offices and hybrid setups that combine local telephony with cloud services.
When expertise matters
- Replacing a rigid phone system with configurable VoIP
- Stabilising call quality, registration or NAT behavior
- Integrating telephony with CRM and ticketing tools
- Expanding queues, reporting or recording controls
Freelance expertise is useful when internal teams need a focused migration, a secure production setup or help with an unfamiliar carrier environment. Remote work is practical for configuration and testing, while on-site access can help with handsets, gateways and network troubleshooting.
What good work looks like
Strong Asterisk professionals translate call-handling rules into clear dial plans and maintainable configuration. They test failure paths, document extensions and permissions, and protect recordings and signalling. Quality also means measurable call flows, useful logs, controlled releases and a handover that lets the internal team operate the system confidently.
Frequently asked questions
Not sure where to start with Asterisk? These answers cover the essentials.
Asterisk is used to build IP PBX systems, IVR menus, call queues, voicemail, conferencing and automated voice services. It can also support WebRTC calling and integrations with CRM, ticketing and contact-center software.
Asterisk offers more control over call flows, integrations and deployment than many proprietary PBX products. It can reduce vendor lock-in, but the company must plan configuration, security, updates, support and carrier compatibility carefully.
Asterisk work commonly requires SIP, RTP, PJSIP, Linux networking and firewall administration. Useful adjacent skills include SQL, REST APIs, Docker, monitoring, CRM integration and troubleshooting of NAT, codecs and call quality.
Asterisk projects differ widely, from a small internal PBX to a multi-site contact center with complex routing. Choose a specialist who has delivered a setup with comparable carriers, endpoints, integrations, security requirements and operational ownership.
Asterisk can usually be configured, integrated and tested remotely when the company provides secure access to servers, networks and telephony providers. On-site work may still be useful for physical handsets, gateways, cabling or difficult network diagnosis in German offices.
Asterisk quality is shown through documented dial plans, repeatable deployment steps and tests for busy, unavailable and failed-call scenarios. Ask how the specialist handles SIP security, recording permissions, monitoring, backups, upgrades and incident recovery.
Asterisk is the telephony engine, while FreePBX is a web-based management layer commonly used to configure it. A specialist should know when the graphical interface is sufficient and when direct configuration, APIs or custom applications are more appropriate.
Asterisk work combines software configuration with real-time communications and carrier behavior. Professionals should be comfortable reading SIP traces, validating call flows, documenting changes and explaining technical trade-offs to teams that rely on voice service every day.
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 831 € 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
