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Best Reviewed

Runners Up

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Recommended As
Pros and Cons
Sources
Amazon Rating

(average)

Where To Buy
 
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Features
Type of VoIP
E911 calls
Hardware required
Professional installation
Add extensions
Contract required
Trial period
Activation fee
Unlimited plans
Cap on "unlimited" calls
Fee to use existing phone number
Out of area number
Second line
Voicemail
Convert voicemail to text message to cell phone
Caller ID
Block calls from personal list
Block anonymous calls
Call forwarding
Call waiting
SMS (text messaging to cell phones)
Conference calls
Mobile version
Fax
Prepaid long distance
Video
Receive calls to online number
MPN
UPC
Brand
 
  • image
    Est. $12 to $60 per…
    Pros: best call quality, reliability, professional installation available, often includes battery backup
    Cons: international calls cost extra, best companies vary by region
    not avail.
     
    Cable
    Yes
    N/A
    Yes
    Yes
    Varies with provider
    30 days
    Varies with provider
    Yes
    No
    No
    No
    Extra cost
    Yes (may cost extra)
    Yes
    Yes
    Varies with provider
    Varies with provider
    Yes
    Yes
    No
    Yes
    No
    Yes
    No
    No
    N/A
    N/A
    N/A
    N/A
     
  • image
    Est. $150 for hardw …
    Pros: no monthly charges (except taxes/fees), good call quality, free long distance in U.S.
    Cons: steep hardware cost, advanced features incur monthly fee, international calls not the cheapest
     
    Hardware
    Yes
    $150 (the Ooma hardware device); use any regular corded or cordless phone; handset required for advanced features
    No
    Yes; separate device required
    No
    30 days; 60 days for Premier package
    No
    Includes unlimited calls in the U.S.
    Yes, 5,000 min. outgoing calls per month
    $40 (or included in Premier account, *Est. $10 per month)
    Yes
    Premier account (Est. $10 per month)
    Yes
    Premier account (Est. $10 per month)
    Yes
    Premier account (Est. $10 per month)
    Yes
    Yes
    Yes
    No
    Premier account (Est. $10 per month)
    Yes
    Yes
    Yes, with Ooma Mobile
    No
    N/A
    N/A
    N/A
    N/A
     
  • image
    Free to U.S. and Ca…
    Pros: free calls to all phones in U.S. and Canada, integrated with Gmail contacts, free Google Voice number
    Cons: variable voice quality, no 911 service
    not avail.
     
    Software
    No
    Computer with built-in or add-on microphone and speaker
    No
    No
    N/A
    N/A
    N/A
    Free unlimited calls within U.S. and Canada
    N/A
    Yes
    Yes, with free Google Voice account
    N/A
    Yes, with free Google Voice account
    Yes, with free Google Voice account
    Yes
    Yes, with free Google Voice account
    No
    Yes, with free Google Voice account
    Yes, with free Google Voice account
    No
    No
    Yes, but Google Voice app sends calls over carrier network, not VoIP
    No
    Yes
    Video chat
    Yes, with free Google Voice account
    N/A
    N/A
    N/A
     

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