Order or port numbers, set who answers what, and test before you cut the old line.
Stage the port so the old line stays live until the new one answers.
Test each greeting and transfer before the cutover date.
Each range below is the published premium price, widened by that vendor's confidence band. State tax is not included, because it depends on where you are. Prices as published by each provider. Data as of 2026-10-04.
A TechEstimate is a range. A written proposal is the number you can hold a provider to.
These phone systems are alphabetical. This is not a quality ranking.
TechlyScore ranks them for your setup when you compare in real time.
123NET: $21 to $39 per user/month. 8x8: $26 to $30 per user/month. Aircall: $35 to $45 per user/month. AireSpring: $24 to $46 per user/month. Allworx (Windstream): $18 to $32 per user/month. AT&T Office@Hand: $26 to $34 per user/month. Avaya Cloud Office: $22 to $28 per user/month. BCM One: $19 to $35 per user/month.
More providers are in the same table. The list stays alphabetical.
The first invoice can add fees that the ad price skipped.
Ask for the all-in total. If they will not say it, that is the answer.
Upload your bill if you have one. Or adjust your sliders if you are starting fresh.
You could pay less. You could also pay about the same and save the research time.
The next step on this page is to compare in real time.
Pick the plan, order the numbers or port your existing ones, set up who answers what, then test before you cut over. Most providers will stage the port so your old line stays live until the new one works.
Either take a new number from your provider or port the one you already use. A new number is live in minutes. A ported number takes a few business days and needs paperwork.
Decide the menu options first, then record a greeting, then map each option to a person or a group. Keep it to a handful of choices. Long menus are the main reason callers hang up.
Give the new provider a recent bill and a signed authorization letter, and keep the old account open until the port completes. Most ports take a few business days for a single number.
Yes, through a business app that places calls using your work number. Your personal number stays private and the business number keeps working if you change handsets.
Related: switching-business-phone-provider, how-to-port-a-business-phone-number, business-phone-system-with-texting. Glossary: voip, pbx. How to buy.
Data as of 2026-10-04.