Phoner 2.30

Phoner 2.30  is a freeware application designed for Microsoft Windows, from Win98 up to Vista, which allows voice connections to landline , cellular network and VoIP. This software can be used as softphone on stationary and mobilecomputer devices attached to anlogue or digital (ISDN) subscriber lines and as SIP client.

Is Phoner for free?

Phoner  is freeware. Phoner can be used in privat and commercial environment,can distributed for free. Phoner is NO open source. Some more information regarding the license, see here .
 
What modes does Phoner support?

• VoIP/SIP. SIP is themost used protocol for establishing voice calls over IP connections. By supporting SIP, Phoner can contact a wide range of peers like Asterisk and countless VoIP providers. the advantage is, that only a functional Internet connection is nessacary.
• CAPI. If the PC is connected to a PBX or PSTN with an ISDN terminal adapter , all supplementary services can used, that are supported by the CAPI . The PC then acts like a normal ISDN phone. CAPI drivers will be provided by the manufacturer of the ISDN hardware.
• TAPI. TAPI is a generic interface for all kinds of communication hardware. That can be a PBX,a telephone or a built in PC hardware. This wide range of possibilities is a disadvantageon the other side This is the reason for the stopped development of this mode in Phoner. 
  

PhonerLite

PhonerLite is a specializedversion of Phoner for VoIP/SIP only. There arn't any settings for CAPI and TAPI. Therefore configuration of PhonerLite is much easier

Major Features:

1.  Freeware 
   
2.  Work with Microsoft Windows, from Win98 up to Vista.
3.  Allow voice connections to landline , cellular network and VoIP
4. You can use this software as a softphone on stationary and mobilecomputer devices attached to anlogue or digital (ISDN) subscriber lines and as SIP client. 
5. VoIP/SIP, CAPI, TAPI supported
   

Requirements:

• ISDN card (CAPI) or internet connection
• Sound card