ISDN to VoIP: Which system is right for your business?

15th April 2023

If you're considering upgrading to a VoIP phone system, choosing the right system is crucial to ensure that you get the most out of your investment. With so many brands available, it can be overwhelming to decide which one is right for your business. 

As an independent provider, we work with several well-known brands including 8x8, Wildix, Avaya, and Gamma. We are experienced in designing, implementing, and supporting each system and can work with you to identify which is the right option for your business. 

Today, we’re outlining some of the key considerations when choosing a VoIP system but it’s always best to get in touch with us for a personalised service based on your business needs. 



One of the most important factors to consider when choosing a VoIP phone system is the features it offers. Different brands may offer different features, so it's important to determine which features are essential for your business. Some common features to look for include call recording, call routing, call forwarding, voicemail, and conference calling.

When comparing brands, consider which features are included in the basic package and which ones require additional fees. Also, consider how easy it is to use and set up the features. A user-friendly system with intuitive features can help to increase productivity and efficiency in your business.


Another important factor to consider is pricing. The cost of a VoIP phone system can vary significantly depending on the brand, features, and number of users. Consider how much you're willing to spend and how much value you expect to get from the system.

When comparing pricing, consider the initial set-up costs, monthly fees, and any additional charges for extra features. 

We pride ourselves on clear quotations and contracts so you’ll know exactly what you’re signing up for from the outset. We can help you understand pricing and how the price may change as you scale. 

Customer support

Customer support is an important factor to consider when choosing a VoIP phone system. At Connexis, we’re known for our technical expertise and reliable customer service. It is still worth checking the customer reviews and ratings of specific brands. We’ve purposely built our product portfolio with well-known systems trusted by businesses worldwide. 

Reliability and security

VoIP phone systems rely on the internet, so reliability and security are critical factors to consider when choosing a brand. Look for brands that offer high-quality service and have a proven track record of reliability. The system should also have built-in security features to protect against potential cyber threats.

Consider the brand's uptime guarantee and the level of redundancy in their system to ensure that you won't experience significant downtime or interruptions in service.

We built our portfolio with this in mind and we’re experienced at working with customers across Shropshire and the Midlands so can advise about connectivity and expected reliability. 

Integration with other tools

Finally, consider how well the VoIP phone system integrates with other tools and software that you're using in your business. For example, if you're using a customer relationship management (CRM) tool, you may want to make sure that the VoIP system can integrate with it seamlessly.

What next?

Hopefully this gives you a starting point when planning an upgrade to VoIP. Enquire with us and we will go through the features, pricing, support, reliability, security and integrations. By working together you can make an informed decision that will help you pick the best solution for your budget and requirements.

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