Clear answers for business phones.

Telecom is full of acronyms. We explain them, then give you tools to do the maths.

Independent

We do not sell phone services and do not take payment to rank providers.

Practical

Every guide ends with steps and tools you can use today.

Private

Our calculators run in your browser. We never receive your numbers.

What we cover

Tyscom focuses on business communications: VoIP, SIP trunking, cloud phone systems, PBX and the planning maths behind them. Start with what VoIP is or jump to the calculators.

Guides are for general information. Always confirm pricing, features and regulations with providers and qualified professionals.

Size your phone lines before you buy.

Free calculators for lines, agents and bandwidth.

Open the tools →