Functionality

Phone calls (PSTN)

VoIP phones

Yes

Landline phones

Yes

Functionality

Nationwide long-distance

VoIP phones

Included

Landline phones

Optional

Functionality

User-to-user calls

VoIP phones

Yes

Landline phones

PBX required

Functionality

Caller ID

VoIP phones

Yes

Landline phones

Yes

Functionality

Call waiting

VoIP phones

Yes

Landline phones

Yes

Functionality

Ease of setup

VoIP phones

★★★★★ 5/5

Landline phones

☆☆☆☆☆ 3/5

Functionality

Requires internet

VoIP phones

Yes

Landline phones

No

Functionality

Wireless

VoIP phones

Wi-Fi, DECT, and Bluetooth headsets are available

Landline phones

DECT and Bluetooth

Functionality

Reliability in internet/power outages

VoIP phones

Calls can be routed to another number or voicemail.

Landline phones

Calls drop or are routed to voicemail

Functionality

Technology

VoIP phones

IP telephony (SIP, TLS, and SRTP) HD audio quality

Landline phones

Analog voice signals

Functionality

Call quality

VoIP phones

★★★★★ 5/5

Landline phones

★★★★★ 4/5

Functionality

Setup cost

VoIP phones

$0

Landline phones

Varies, up to $110 per jack

Functionality

Monthly cost

VoIP phones

$20

Landline phones

Up to $50

Functionality

Activation fee

VoIP phones

$0

Landline phones

Up to $50

Functionality

Auto attendant

VoIP phones

Included

Landline phones

PBX required

Functionality

Phone number privacy

VoIP phones

Included

Landline phones

Phone number privacy

Functionality

Phone number changes

VoIP phones

Included

Landline phones

Up to $25

Functionality

Hunt groups

VoIP phones

Included

Landline phones

Hunt groups

Functionality

Conferencing

VoIP phones

Included

Landline phones

Three-Way Calling

Functionality

Three-Way Calling

VoIP phones

Included

Landline phones

$9.95/mo

Functionality

Remote work compatible

VoIP phones

Yes, softphone apps

Landline phones

Call forwarding

Functionality

International dialing

VoIP phones

Yes, Call for pricing

Landline phones

Yes

Functionality

Business voicemail

VoIP phones

Included

Landline phones

Up to $12.95/mo

Functionality

Integrations (CRM, text messaging, surveys)

VoIP phones

Yes

Landline phones

No