Free Plan
Free
Up to 100 users with unlimited extensions; phone-number dialing unavailable
100 users
Checked 28 Sep 2026
Plans and prices
OnSIP pricing
Unlimited
$18.95 a month
Minimum 5 users
5 users minimum · 250 SMS/MMS per account
Checked 28 Sep 2026
Basic
$49.95 a month
Calling minutes and messaging not included
3 auto attendants · 3 ring groups · 5 voicemail boxes · 1 call recording user
Checked 28 Sep 2026
Pay-as-you-go
$49.95 a month
Calling minutes not included
Checked 28 Sep 2026