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Zoiper Free IAX and SIP softphone Free Download

Shareware: You can try this program, but this version has some limited features or time usage restrictions. You should purchase it in order to remove those limits.

Zoiper Free IAX and SIP softphone  Free Download screenshot

Zoiper Free is a IAX and SIP softphone compatible with the Asterisk platform as any other SIP or IAX capable system. Zoiper Free Edition features include:


* SIP + IAX/IAX 2 protocols

* STUN support

* STUN server per account

* T.38 fax support

* Echo cancellation

* DTMF tones sending

* DSCP support

* Support for multiple audio devices

* Automatic user registration

* Call transfer

* Hold function

* Codecs: GSM, ulaw, alaw, speex, ilbc

* Adaptive Jitter Buffer

* Call history

* Address book

* Quick dial panel

* Optional Automatic pop-up window for incoming call

* Always on top

* Call logs

* Voice mail message information

* Account password encryption

* Upgrade notification

* Adjustment of audio device

* Codecs priority

* Portable storage compatibility

* Multilanguage support


Re-branded Zoiper:


* Basic: colours, name and logo of your choice;


* Re-branding with additional development: e.g. changing the language; adding, disabling, removing of menus/options/buttons; adding functionalities;


* Complete: you can go for complete change of the interface and functionality.

Info about Zoiper OEM can be obtained at zoiper@attractel.com


Zoiper Biz, the advanced version of Zoiper Free, gives more features:


* Native conferencing

* API

* TLS/TCP support with SIP

* TLS with SRTP support

* g.729 (optional)

* Mail program plug-in: Outlook integration

* Callto URL protocol

* Automatic provisioning (XML)

* Call forward

* Auto answer

* Incoming URL handling

* Automatic opening of incoming URL

* Access voice mail message with one button

* Attended transfer (native)

* Call recording (Single file recordings)

* Command line dialing

* Custom ring tones

* Open URL on different call events

* Call history

* Call transfer

* Unlimited number of accounts

* Changeable number of lines (up to 6)

* More!


Both Zoiper editions may be customized to unique customer requirements.

System Requirements:

Pentium II 300, 256 MB RAM, Sound card: 16 bit

Zoiper Free IAX and SIP softphone  Free Download screenshot