Real world performance speaks louder than words
Compare UD Voice to Top VoIP Providers
See how UD Voice stacks up against other business phone systems across the features that matter most.
Core Calling
Unlimited callingUS, Puerto Rico & Canada
Included
IncludedIncluded—✓✓3,000 min cap✓Lower 48 only✓✓✓✓✓Varies✓✓✓✓Pay per minuteVaries✓Per minute✓✓✓Varies✓VariesVariesVariesPer minuteVariesVariesVariesPer minute✓Varies✓✓✓✓Not a phone system✓
SMS / texting
Included
Limited (25/user)Limited (100/user)✓✓✓✓✓Add-on ($)✓Add-on ($)Add-on ($)✓✓Add-on ($)✓Add-on ($)✓✓Add-on ($)Add-on ($)✓Varies✓Add-on ($)✓Varies✓VariesVariesVariesAdd-on ($)Add-on ($)Add-on ($)Add-on ($)Add-on ($)✓✓IncludedIncludedIncludedIncludedVariesIncluded
Toll-free numbers
Add-on ($)
IncludedAdd-on ($)Add-on ($)Varies—Add-on ($)IncludedAdd-on ($)Add-on ($)Add-on ($)Add-on ($)Add-on ($)Add-on ($)Add-on ($)Add-on ($)Add-on ($)✓Add-on ($)Add-on ($)Add-on ($)Add-on ($)Add-on ($)VariesAdd-on ($)VariesVariesAdd-on ($)Add-on ($)Add-on ($)VariesAdd-on ($)Add-on ($)Add-on ($)Add-on ($)Add-on ($)Add-on ($)—Add-on ($)Add-on ($)Add-on ($)Add-on ($)—Add-on ($)
Web fax
Included
IncludedAdd-on ($)✓✓—Add-on ($)✓Add-on ($)✓✓—✓Add-on ($)—Add-on ($)—✓———Add-on ($)—VariesAdd-on ($)✓VariesAdd-on ($)Add-on ($)Add-on ($)Varies—————✓—✓✓✓✓—✓
Auto attendant / IVR
Included
✓✓✓✓Varies✓✓✓✓—✓✓✓✓✓✓✓Add-on ($)✓✓✓Add-on ($)✓✓✓✓✓✓✓✓✓✓✓✓Varies✓✓✓✓✓✓Varies✓
Busy lamp field & presence
Included
✓✓✓✓—Varies✓✓✓VariesVariesVariesVaries✓VariesVaries—VariesVariesVaries✓—✓✓✓✓✓✓✓✓—————✓—Varies✓Varies✓—✓
Voicemail to email
Included
✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓Add-on ($)VariesVariesVaries✓✓✓✓✓✓✓—✓
Call recording
Included
VariesVaries✓✓Varies✓✓✓✓Add-on ($)Add-on ($)Varies✓VariesVariesAdd-on ($)—Add-on ($)✓✓Varies✓VariesVaries✓Varies✓VariesVariesVaries✓✓✓✓✓✓✓✓✓✓✓✓✓
AI Features
AI Receptionist24/7 natural-language call answering
Add-on ($)
Add-on ($)Add-on ($)Add-on ($)——Add-on ($)Add-on ($)—Add-on ($)——Add-on ($)Add-on ($)Add-on ($)Add-on ($)————Add-on ($)Add-on ($)Add-on ($)——Varies——VariesVaries—Add-on ($)Add-on ($)Add-on ($)Add-on ($)Add-on ($)—Add-on ($)Add-on ($)VariesAdd-on ($)Varies✓Add-on ($)
AI SchedulerBooks, reschedules & cancels
Add-on ($)
——Add-on ($)———————————————————————————————Add-on ($)——Varies—Add-on ($)—✓Varies
AI transcripts & summaries
✓
✓✓✓VariesVariesAdd-on ($)✓Add-on ($)Add-on ($)——Varies✓✓Add-on ($)—Varies—VariesAdd-on ($)Add-on ($)✓Varies—VariesVariesVariesVariesVariesVariesAdd-on ($)Add-on ($)Add-on ($)Add-on ($)Add-on ($)VariesAdd-on ($)✓Varies✓Varies✓✓
AI sentiment analysis
✓
Add-on ($)VariesAdd-on ($)Varies—Add-on ($)Add-on ($)Add-on ($)Add-on ($)———✓Varies—————Add-on ($)Add-on ($)✓——Varies——VariesVaries—Add-on ($)Add-on ($)Add-on ($)Add-on ($)—————Varies——Varies
Apps & Collaboration
Desktop & mobile appsPC, Mac, iOS, Android, web
Included
✓✓✓✓✓✓✓Add-on ($)✓✓✓✓✓✓✓✓✓✓✓✓✓Varies✓✓✓✓✓✓✓✓Browser onlyVariesVariesVaries✓✓✓✓✓✓✓Varies✓
Video meetings
Included
✓✓✓✓✓✓✓Add-on ($)✓VariesVariesVaries✓✓VariesVaries——Add-on ($)—✓—VariesVaries✓Varies✓✓✓Varies—————Varies——VariesVaries✓——
Team chat
Included
✓✓✓✓✓✓✓✓✓VariesVariesVaries✓✓✓Varies——Varies—✓—VariesVaries✓Varies✓✓✓VariesAdd-on ($)VariesVariesVaries—Varies✓✓✓✓✓—✓
CRM integrationsMany are free; some are paid add-ons
Included
VariesVaries✓✓VariesVaries✓✓Varies——VariesVariesVariesVaries———✓✓Varies✓VariesVaries✓VariesVariesVariesVariesVariesVaries✓✓✓✓Varies✓VariesVariesVariesVariesVariesVaries
Service & Support
Uptime
99.999%
99.999%99.999%99.99%Self-hosted99.9%99.9%99.999%Not published99.999%Not publishedNot published99.999%100% (SLA)99.99%99.999%Not publishedNot publishedNot publishedNot published99.95%99.999%Not publishedNot publishedNot publishedNot publishedNot published99.999%99.999%99.999%VariesNot published99.99%99.99%99.99%Not publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot published
Local, on-shore support, no tiers
✓
TieredTieredTieredVia resellerTieredTieredTiered✓TieredTieredTieredTieredTieredVia partnerTieredTieredTieredTieredTieredTieredTieredTieredVia resellerU.S.-basedU.S.-basedVia resellerTieredVia partnerVia partnerVia resellerSelf-managedTieredTieredTieredTieredU.S.-basedTieredTieredU.S.-basedTieredU.S.-basedTieredTiered
Free adds, moves & changesDone for you
Included
Self-serveSelf-serveSelf-serveSelf-serveSelf-serveSelf-serveSelf-serveVariesSelf-serveTicket-basedTicket-basedSelf-serveSelf-serveSelf-serveSelf-serveTicket-basedSelf-serveTicket-basedSelf-serveSelf-serveSelf-serveSelf-serveVariesSelf-serveVariesVariesSelf-serveSelf-serveSelf-serveVariesSelf-serveSelf-serveSelf-serveSelf-serveSelf-serveVariesSelf-serveSelf-serveVariesSelf-serveSelf-serveSelf-serveSelf-serve
Turn-key setup & install
Included
Add-on ($)Add-on ($)Add-on ($)Varies——Add-on ($)VariesAdd-on ($)Add-on ($)Add-on ($)—Add-on ($)VariesAdd-on ($)Varies—Varies—Add-on ($)Varies—VariesVariesVariesVariesAdd-on ($)VariesVariesVaries—Add-on ($)Add-on ($)Add-on ($)—VariesVariesVariesVariesVariesVariesVariesVaries
Hardware & Hidden Fees
Phone ownershipWho owns the phones on your desks
You own them
Buy or rentBuy or rentBuyBuyBuyBuyBuyRent or buyBuyRent or buyRent or buyBuyBuyBuyBuyRent or buyNo desk phonesBuy or financeBuyBuyBuy or rentNot a phone systemBuy or rentBuy or rentBuy or rentVariesBuyBuyBuyVariesHeadsets onlyHeadsets onlyHeadsets onlyHeadsets onlyNo desk phonesBuy or rentVariesBuy or leaseBuy or rentBuyBuyNot a phone systemBuy
No site or system license feeNo extra charge just to have the system
✓
✓✓✓Annual licenseWorkspace requiredM365 required✓Monthly site fee✓✓Monthly equipment fee✓✓✓✓✓✓✓✓3-seat minimum✓Monthly plan fee✓✓✓✓VariesVariesVaries✓✓Varies50-seat minimumVariesMonthly platform fee✓Monthly platform fee✓✓Varies✓Platform fee✓
Healthcare & Dental
EHR / practice management screen popPatient details on screen when the phone rings
✓
VariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVaries✓✓✓VariesVaries✓
Appointment reminders & confirmationsAutomated texts patients can confirm
✓
VariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVaries✓Add-on ($)✓Varies✓✓
Online schedulingPatients book from your website
✓
VariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVariesVaries✓Varies✓—✓Varies
Based on publicly advertised plans and pricing as of October 2026. Features and availability vary by plan level, add-ons, or custom configuration. "Varies" = only on select plans or set by the reseller. "Add-on ($)" = available for an extra fee.