Free reliable ip phone software for mac

Express Talk softphone is a software that works like a telephone to let you make calls through your computer. You can call anyone on the internet who has installed it (or any other SIP softphone).
Calls computer to computer are always free. You can also call ordinary real telephone numbers anywhere in the world if you sign with a VoIP gateway service company. See here for some recommended telephone gateway companies.
Business users might like to upgrade to Express TalkBE Business Edition. The Express Talk Business Edition offers extra features designed specifically with business users in mind.
These include call conferencing, the ability to transfer calls, call recording, push to talk and more advanced configuration options.
Express Talk also works perfectly as an extension with free VoIP Virtual PBx Systems. If you are looking for a complete telephone system to run on your office server read here.

Main features:
- Make voice and video calls free between computers.
- Supports computer to phone via a VoIP SIP gateway provider.
- Configure up to 6 lines on the one phone with the ability to put calls on hold.
- Supports caller ID display and logging.
- Includes a phone book with quick dial configuration.
- Integrates with Microsoft Address Book.
- Supports call transfer (Business Edition).
- Record phone calls to wav (Business Edition).
- Allows up to 6 people to join one call using the Call Conferencing feature (Business Edition).
- Provides easier communication using the Push to talk intercom (Business Edition).
- Includes Do Not Disturb button (Business Edition).
- Is available for PocketPC so you can take your VoIP numbers with you wherever you go.
- One user Business Edition license can be used for both computer and Pocket PC versions.
- Supports emergency numbers calling (such as 911, 999, 000).
- Works with a headset or in speakerphone mode with just a standard microphone and set of speakers.
- Webcams or usb video phones can be configured for video calls.
- Works seamlessly with recommended IP phones and usb phones.
- Can be configured to work behind NATs and Firewalls.
- Includes data compression (GSM, uLaw, ALaw, PCM and G726), echo cancellation, noise reduction, comfort noise and more.
- Supports video (H263, H261) for webcams or IP Phones (Windows version only).
- Uses the standard SIP protocol so it can use a number of telephone gateways, SIP systems or other internet phone software. Click here for a list of SIP service providers.
- Works with our VoIP Virtual PBx to create a LAN based PBx for offices or call centers.
- Used with the VRS Call Recorder, this softphone can record and save phone calls to MP3, wav and more.
- Plays on-hold music to callers on hold. Can also link to the IMS On-Hold Messages Player Software to create professional mixes of music and messages on the fly.

System requirements:
- Broadband connection.
- Optional headset.

Enhancements
- Various bug fixes including intercom, muting, address book.

Voix Phone is a multiplatform IAX soft phone with an engine derived from Voix Manager, the powerful Asterisk call manager interface, from wich it inherits its stability and robustness.
Voix Phone has been thought with simplicity in mind, all feature needed by the user, fast and easy usable, with the minimum configurations, just fill the phone login information and play.
IAX is one of the least VoIP signaling standard that eliminates the problems imposed upon the competing SIP standard by NAT firewalls. IAX is supported primarily by Asterisk.
NOTE: Freeware for non commercial use.
Main features:
- IAX/IAX2 protocols
- Call transfer
- Calls Incoming status
- Redial
- Access voice mail message with one button
- Missed call Log
- Dial Missed call
- Hold function
- Hold status (number of users waiting)
- Quick dial
- Mute
- Logs
- Support for multiple audio devices
- Available codecs GSM, ulaw, alaw, speex, ilbc
- DTMF tones sending
- Echo cancellation
- Adaptive Jitter Buffer
- Address book
- Automatic user registration
- Account password encryption
System requirements:
- Processor: minimum PowerPC G4
- Memory: minimum 256 MB
- Internet connection: wired or wireless

Enhancements
- Fixed some bugs
- Improved the interface
- Added compatibility to leopard
- Added DND and call Forwarding features.

Collanos Phone 1.4.0.2 is launched as a powerful software to combine only Voice over Internet Protocol (VoIP) phone with a multi-protocol instant messenger. The main features include placing audio & video calls and sending instant messages, including transparently to existing Jabber, MSN, ICQ, AOL, and Yahoo! networks. Following Collanos' multi-platform strategy, the product is available in versions running on Windows, Mac OSX, and Linux. All basic features of Collanos Phone are available at no cost. Additional premium features will be rolled out in the near future.