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ZoIPer (formerly known as Idefisk) is a SIP and IAX/IAX2 software phone, compatible with the Asterisk/CallWeaver platform and adaptive to any IP telephony system. It offers a great variety of features to cover all aspects that VoIP provides. Its great simplicity with enhanced interface brings a smooth and satisfying communications experience.

What's New

Version 3.2: Release notes were unavailable when this listing was updated.

Note: The downloaded installer shows a version level of 3.3, but the installed application shows a version level of 3.2


OS X 10.4.11 or later

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ZoIPer User Discussion

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Nomad11 Member IconReview+38

Maybe the most user friendly SIP softphone, especially for older laptops like mine. Much less RAM-usage than Jitsi and other softphones, and better voice quality than Jitsi. The free version is excellent.

BUT beware: The paid version does not have all the features of the Windows version but they don't mention it on their website! There is no video support! Address book integration is not working properly as not all phone numbers of a contact are displayed. So I would not recommend upgrading.

Reply0 replies
Version 3.2
Neartheredrocks Member IconComment+183

The latest version of "Zoiper Community" (as the free version is called now) is 3.2 from 12/19/2013.

Reply1 reply
Version 2.17

Yep! http://www.zoiper.com/en/voip-softphone/download/zoiper3/for/mac

Greek Member IconComment+0

i second that = No interaction with Address Book =
this is a must.

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Version 2.15
Kevinsmith Member IconComment+4

I've just installed it on Snow Leopard (10.6) and have done some test calls to voicemail/talking clock/echo test. It works.

This is a relief as I've had no success with:
a) X-Lite as it's not compatible with 10.6
b)Telephone - Interface looks better and got good reviews. It tried to register with my sip provider and returned this error “403 Forbidden”, so was not able to use. My domain is "sip.gradwell.net"

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Version 2.15
evilinstone Member IconComment+46

this app using strange nonstandard interface... hate it.
and this app incompatible with Spaces technologies.

please fix this issues.

I can live without zoiper but I can't live without Spaces!

Reply0 replies
Version 2.09
fdqn4fh Member IconReview+13

This is a very straight forward VOIP client. It has worked well, and is stable on Intel Leopard, and I have used it for hours. Thanks to the developer.

Like Skype and iChat, it allows application-specific selection of the audio in and audio out -- good feature.

No interaction with Address Book. Small complaint.

Requires a SIP account with a VOIP provider.

Reply1 reply
Version 2.01

This is the BEST VoIP application ever! It works really well with OneOrangePhone.com (cheap VoIP provider where you can get service for as little as $19.99 a month)!

Just goto My SIP accounts and type the following

Display Name [ Appears as your caller id ]

User name 5555555555

Password [ YOUR PASSWORD ]

Authorization user name 5555555555


Sip proxy

replace the 5555555555 with your OneOrangePhone number

It's really that easy. You can even replace your Cell Phone plan with VoIP. Just download Fring on your iPhone, Nokia, etc and enter the same information (above) in the settings. Then you get unlimited minutes for only $19.99/month!

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> 3 2


Current Version (3.x)


Downloads 12,976
Version Downloads 749
Type Internet / Chat
License Free
Date 25 Jan 2014
Platform OS X / Intel 32
Price Free