Net Phones

Callserve Internet Telephone 4.61

Make telephone calls from your PC to a landline or mobile phone.

OS: Windows 98|Windows Me|Windows NT|Windows 2000|Windows XP|Windows Vista
License: Free

SiSkype Enterprise Edition 1.1.0.1

Make landline and mobile calls and receive Skype calls from customers.

OS: Windows XP|Windows 2003 Server
License: Free to try

iTalkie/pc 1.46a.59pc

Communicate using a serverless and P2P instant walkie-talkie for LANs and WLANs.

OS: Windows 2000|Windows XP|Windows Vista
License: Free to try

Vyke PC 3.2.2

Send SMS and make phone calls using your computer.

OS: Windows 95|Windows 98|Windows Me|Windows NT|Windows 2000|Windows XP|Windows Vista
License: Free

VoipBuster 3.00 build 406

Make free calls to landlines in several destinations using VOIP.

OS: Windows 2000|Windows XP|Windows 2003 Server
License: Free

Cactus 1.04c

Use a software-based PBX for IP telephones and for ISDN integration.

OS: Windows 95|Windows 98|Windows Me|Windows NT|Windows 2000|Windows XP|Windows 2003 Server|Windows Vista
License: Free to try

3CX VOIP Phone 3

Use your computer to make and transfer calls and launch conference calls.

OS: Windows 3.x|Windows 95|Windows 98|Windows Me|Windows NT|Windows 2000|Windows XP|Windows 2003 Server
License: Free

PhonerLite 1.3

Use your computer for Internet telephony.

OS: Windows 98|Windows Me|Windows NT|Windows 2000|Windows XP|Windows 2003 Server|Windows Vista
License: Free

Idefisk 2

Make VoIP calls using SIP and IAX/IAX2 phone dialer compatible with Asterisk.

OS: Windows 2000|Windows XP|Windows Vista
License: Free

Buzz Softphone 1.3

Use VoIP softphone with user friendly features.

OS: Windows 95|Windows 98|Windows NT|Windows 2000|Windows XP
License: Free to try