Implementing an omnichannel telephony system takes an average of 4-24 weeks, depending on your company size and the complexity of your current infrastructure. Simple migrations are completed within 4-8 weeks, while complex enterprise implementations can take 16-24 weeks. Legacy systems such as Avaya and Mitel often require additional migration time because of their complex configurations.
What determines the implementation time of an omnichannel telephony system?
Implementation time is primarily determined by five key factors: your company size, the complexity of your current infrastructure, the number of locations, required integrations with existing systems and specific customizations you want. These factors can significantly affect the lead time.
Your company size plays an important role because more users means more complexity in configuration, training and deployment. A company with 50 employees has different needs than an organization with 500 employees spread across multiple departments.
The complexity of your current infrastructure is often the biggest time factor. Legacy systems such as Avaya and Mitel usually have complex configurations built up over years. These systems often have custom settings, specific routing rules and integrations that must be carefully analyzed before migration is possible.
The number of locations increases the implementation challenge exponentially. Each site may have different needs, different Internet connections and local specifications. Multi-site deployments require more planning, coordination and often phased rollouts.
Integrations with existing systems such as CRM software, help desk tools or ERP systems can significantly increase implementation time. Each integration must be tested and validated to ensure seamless operation.
How long does an average implementation take from start to finish?
For simple migrations, you can expect 4-8 weeks, medium-sized projects take 8-16 weeks, and complex enterprise deployments require 16-24+ weeks. These timelines are based on practical experience and provide realistic expectations by business type.
Simple migrations (4-8 weeks) are suitable for smaller organizations with straightforward telephony needs. These are usually single-site companies with limited integrations and standard functionality. The focus is on basic telephony functions without complex routing or extensive reporting.
Medium-sized projects (8-16 weeks) include organizations with multiple departments, specific workflow requirements or significant integrations. These implementations require more configuration, more extensive testing and phased training of different user groups.
Complex enterprise deployments (16-24+ weeks) are for large organizations with multiple locations, extensive integrations and specific compliance requirements. These projects require in-depth analysis, custom configurations and extensive change management processes.
Realistic expectations for each phase will help you plan appropriately. The first weeks are mainly analysis and preparation, followed by configuration and testing, and ending with training and go-live activities.
What phases do you go through during an omnichannel telephony implementation?
An implementation goes through seven main phases: analysis and planning (1-2 weeks), infrastructure preparation (1-2 weeks), system configuration (2-4 weeks), data migration (1-2 weeks), testing and pilot phase (2-3 weeks), training (1-2 weeks) and go-live with aftercare (1+ weeks).
Analysis and planning forms the basis of your implementation. This is where your current situation is mapped out, requirements gathered and a detailed project plan created. This phase often determines the success of the entire project.
During infrastructure preparation, your network is checked and adjusted as needed. Internet connections are tested, firewalls configured and hardware installed as needed.
The system configuration phase is where the magic happens. Your new omnichannel system is set up according to your specific needs. Routing rules, user accounts, integrations and workflows are configured.
Data migration ensures that important information such as contact lists, call lines and historical data are transferred to the new system. This requires careful planning to avoid data loss.
The testing and pilot phase is important to identify problems before everyone starts using the system. A small group of users test all functionalities in a secure environment.
Training prepares your team for the new system. This includes both technical training and process training to make best use of the new capabilities.
The go-live and aftercare phase marks the official launch. Additional support is available to resolve any teething problems and help users get used to the new system.
How can you reduce the implementation time of your new telephony system?
You can reduce implementation time through good preparation, early stakeholder involvement, phased rollout, parallel processes and collaboration with experienced vendors. Some steps can be accelerated, but certain phases such as testing and training require minimal lead times.
Good preparation and planning in advance saves weeks during implementation. Make sure your requirements are clear, stakeholders identified and decision making streamlined. The more you arrange in advance, the faster the implementation goes.
Early involvement of all stakeholders prevents surprises and delays. IT, management, end users and external partners should be involved in planning and decision-making from the beginning.
A phased rollout can reduce overall implementation time by implementing different components in parallel. For example, start with basic telephony functionalities and add advanced features later.
Parallel processes help save time. While technical configuration takes place, training materials can be prepared and users informed of upcoming changes.
Working with experienced vendors who have proven implementation methodologies can save weeks. They know the pitfalls and can prevent problems before they arise.
Note that certain phases cannot be shortened without risk. Testing and training need minimum lead times for quality and user acceptance. Acceleration is possible in preparation and configuration, but not in validation and change management.
If you’re ready for a modern omnichannel business telephony solution that replaces your legacy system, we’d love to help you plan realistically. We combine proven standard building blocks into customized solutions without costly customization, so you can get everything under one roof. Our ISO 27001 certified approach ensures a smooth transition from your current Avaya or Mitel system to a future-proof omnichannel solution.
Frequently Asked Questions
What happens if implementation takes longer than planned?
Most vendors take a structured approach with buffers in the schedule. In case of delays, priorities are reassessed and a phased go-live can be considered where critical functions go live first. Communicate proactively with your vendor about any bottlenecks and ensure flexibility in your internal planning.
Can employees continue to work as usual during implementation?
Yes, during most implementation phases your current system remains operational. Only during the actual cutover (usually scheduled outside business hours) is there a brief interruption. A good vendor will plan this carefully and always have a rollback scenario ready should something go wrong.
What costs will be added to the implementation?
In addition to the implementation costs, you need to take into account possible infrastructure upgrades, additional training for power users, temporary overlap of old and new licenses, and any adjustments to integrations. Ask for a detailed cost estimate including these 'hidden costs' in advance.
How do I best prepare my team for the transition?
Start change management early: communicate the benefits, involve key users in configuration, organize demo sessions, and provide super users who can help colleagues. Schedule training just before go-live so knowledge is still fresh, and allow for a learning curve of 2-4 weeks after implementation.
What if my current contracts haven't expired yet?
Many vendors offer flexible start dates or can plan phased migrations to match your contract expiration. Sometimes notice solutions are available or running in parallel can be cost-effective. Discuss this early in the process to determine the best strategy.
What support will I get after go-live?
By default, you'll get more intensive support with dedicated contacts and faster response times for the first few weeks. This is followed by regular support according to your service level agreement. Make sure hypercare period, escalation procedures and support availability are clearly agreed upon before you go-live.
