Kall8 VoIP provides Kall8 Phone, a per-user cloud phone system for small businesses. Each user receives a local number and desktop or mobile apps on Android, iOS, and Windows. Businesses can use multiple numbers, custom call routing, and auto attendants; Team plans add menus, extensions, and hunt groups, while Team 5 also includes call recording. Kall8 numbers include forwarding rules, voicemail, call blocking, conferencing, analytics, recording, notification emails, and app access. Kall8 Phone and Microsoft Teams users can handle up to three simultaneous calls per user. Unlimited US48 calling through the Kall8 app or Teams client is subject to 2,500 minutes per user monthly, a 25% limit involving fewer than five numbers, and a 1,500-minute account average per user. Toll-free numbers cost 6.9¢ per minute, and forwarding outside the contiguous US48 uses international rates. Teams calling uses Direct Routing and requires a Teams Phone license. Kall8 was founded in 1993 and offers US-based phone and email support 24/7.
Who it is for
Kall8 Phone suits small businesses needing per-user cloud calling, local numbers, routing, and desktop or mobile apps. Kall8 invites teams with ten or more users to request a quote.
What is good
- Android, iOS, and Windows apps
- Custom call routing and auto attendant
- Multiple business numbers
- Up to three simultaneous calls per user
- 24/7 US-based phone and email support
What to know first
- No free plan or free trial
- Unlimited calling has usage thresholds
- Toll-free calls are metered at 6.9¢ per minute
- Teams calling requires a Teams Phone license
Verdict
Kall8 Phone offers core cloud phone features, apps, routing, and team options for small businesses. Review the usage thresholds, metered toll-free calls, and Teams licensing requirements before choosing a plan.
Kall8 VoIP plans and pricing
All plansCompared 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


