Kall8 VoIP

6.3easy start · #147of 174
in Business Phone Systems

Free to practise onno
Free trialno
Well documentedyes
Runs where you workyes

Runs on Android, iOS, Windows.

Kall8 VoIP is ranked #147 of 174 in business phone systems on The Geeks Club, made by Kall8 VoIP (Seattle, Washington, United States). It runs on Android, iOS, Windows. There is no free plan.

Kall8 VoIP plans and pricing

All plans

VoIP Personal 1 local number · 1 VoIP user · Unlimited VoIP minutes signup.kall8.com · 22 Sept 2026

VoIP Business 3 local numbers · 3 VoIP users · Unlimited VoIP minutes signup.kall8.com · 22 Sept 2026

VoIP Enterprise 5 local numbers · 5 VoIP users · Unlimited VoIP minutes signup.kall8.com · 22 Sept 2026

Additional Microsoft Teams user $11.95/mo Billed monthly on your invoice per user · includes local number · Teams client calling kall8.com · 12 Oct 2026

Microsoft Teams $13.56/mo $162.72 billed annually, saving $40.68 per user · 1 Teams user with local number · Direct Routing · Microsoft Teams Phone license required · unlimited US48 calling subject to fair use kall8.com · 12 Oct 2026

Additional Kall8 Phone user $14.95/mo Billed monthly on your invoice per user · includes local number · unlimited US48 calling subject to fair use kall8.com · 12 Oct 2026

Compared on business phone systems

Free plan: No
Included users: 1 users
Business numbers: multiple
Auto attendant: Yes
Call routing: custom
Desktop and mobile apps: Yes

Best Kall8 VoIP alternatives

See all 20

Microsoft Teams Lesson 19.1 VitalPBX Lesson 29.0 Talkroute Lesson 38.9 3CX Lesson 48.8 Vodia PBX Lesson 58.8 Freshcaller Lesson 68.8

The record

Product: Kall8 Phone is a per-user cloud phone system for small businesses, with a local number and desktop and mobile apps for each user.
Call concurrency: Kall8 Phone and Teams users can have up to three simultaneous calls per user.
Phone system features: Team plans include an auto-attendant with menus and extensions and a hunt group; Team 5 also includes call recording.
Number features: Kall8 numbers include forwarding rules, voicemail, call blocking, conferencing, analytics, call recording, notification emails, and app access.
Integrations: Microsoft Teams calling is available through Direct Routing and requires a Microsoft Teams Phone license for each calling user.
Metered usage: Toll-free numbers added to Kall8 Phone or Teams plans are metered at 6.9¢ per minute, and calls forwarded outside the contiguous US48 use international rates.
Privacy: Kall8 says it does not sell, rent, license, trade, or otherwise disclose customer personal information without consent except as described in its privacy policy and terms.
Emergency calling: Kall8 says E911 uses a registered emergency address for each user.
Support: Kall8 advertises US-based support available 24/7 by phone and email.
Company history: Kall8 says it began in 1993 as an enhanced telecom design firm and became an integrated service in 1996.
Intended customers: Kall8 describes Kall8 Phone as a cloud phone system for small businesses and invites teams with ten or more users to request a quote.

Where it ranks on The Geeks Club

Best Business Phone Systems in 2026#147 of 174

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Sources

kall8.com/cloud-phone-system· checked 12 Oct 2026
kall8.com/what-unlimited-means· checked 12 Oct 2026
kall8.com/features· checked 12 Oct 2026
kall8.com/microsoft-teams-direct-routing· checked 12 Oct 2026
kall8.com/pricing· checked 12 Oct 2026
kall8.com/privacy· checked 12 Oct 2026
kall8.com/about· checked 12 Oct 2026
signup.kall8.com/Voip· checked 22 Sept 2026