York Region
Business Phone Systems in Markham
Markham is the GTA's tech hub — head offices, IT firms and labs alongside thousands of clinics, restaurants and family businesses from Unionville to Milliken. Voiswitch provides the modern phone stack Markham companies expect: cloud PBX, call center tools, SIP trunking and custom integrations.
Tech-literate buyers welcome: ask us about APIs, CRM integrations and custom call flows.
What we deliver in Markham
Cloud PBX
Hosted PBX — a complete cloud phone system, managed for you
Learn moreSIP Trunks
Modern lines for your existing PBX
Learn moreCloud Call Center
Queues, recording and reporting
Learn moreBusiness Internet
Dedicated fiber connectivity
Learn moreStructured Cabling
Certified data and voice cabling
Learn morePhones & Hardware
Desk phones to rent or buy
Learn moreBuilt for Markham businesses
- Tech companies and IT services
- Head offices and satellite offices
- Medical and specialist clinics
- Restaurants and retail
Why businesses switch to Voiswitch
- 16 years in the industry, close to 400 businesses served
- Canadian in-house support, 24/7/365 — typical response under an hour
- Keep your numbers — porting designed to avoid missed calls during migration
- No long-term contracts, no setup fees on standard plans
- One provider for phones, internet, cabling and installs
Switching is easier than you think
Talk to us
A quick consultation about your Markham business — current setup, team size, what you need.
We handle the switch
We port your numbers, configure your system and train your team — designed to avoid missed calls during migration.
You go live
Up and running on a reliable system, backed by local support that picks up the phone.
Markham phone system questions
Can we keep our phone numbers when switching providers in Markham?
Yes — we port your existing numbers so customers keep dialing what they know. Voiswitch handles the entire porting process, and we schedule the switch so you don't lose calls.
How much does a business phone system cost?
Cloud PBX starts at $19.99 per user per month with unlimited Canada calling and no setup fees. SIP trunks start at $19.99 per channel. Every quote is free — we recommend the right setup for your size and usage.
Do you require long-term contracts?
No. Voiswitch is month to month — we earn your business with service, not lock-in.
Can you integrate the phone system with our CRM or software?
Yes — screen-pops, click-to-dial and automatic call logging are available, and our team builds custom integrations for tools with an API.
Need cabling, cameras, access control or networking in Markham too? We install all of it.
Also serving: Stouffville · Newmarket · Aurora · Oakville · Burlington · Milton · Georgetown · Pickering · all service areas
Toll free: 1-844-902-2448
Ready to make the switch?
Get a quote or talk to our team about the right setup for your business.