1
Avaya
232
Freeware
IP Softphone 2050 transforms your PC into a full-featured platform.
2
Avaya
Commercial
The Avaya IP Softphone is an IP telephone client for Windows-based PCs .
3CX Ltd
29
Shareware
3CX Assistant / VoIP Client – Easy Call Control from your desktop!
9
3CX System Ltd
30
Freeware
Be connected to all your contacts anyhwere anytime with 3CX VoIP Client.
3CX Ltd
116
Freeware
3CX provides out of the box integration with Microsoft Outlook.
2
Callcentric
187
Freeware
A small application that allows you to make and receive calls with Callcentric.
31
Avaya Inc.
889
Freeware
Avaya one‐X Communicator is a rich Unified Communications client.
5
3CX Ltd.
974
Shareware
3CX Phone System is a program that enables you to improve your communications.
3
AdoreSoftphone
208
Demo
A basic SIP Softphone that allows to connect to VoIP PBX and providers.
27
Emil Stoyanov
43
Open source
Kiax is a softphone for making VoIP calls to Asterisk PBX.
1
PortSIP Sutions, Inc.
74
Freeware
Softphone compatible with SIP for voice over IP PBX or international providers.
3CX
2
Shareware
Hotel Module for 3CX Phone System adds additional functions to 3CX Phone System.
2
Avaya Inc.
55
Freeware
Avaya WinPDM is an application used to configure Avaya IP DECT phones.
37
Voicent Communications, Inc.
125
Freeware
Voicent Flex PBX is an easy-to-use software-based PBX system. It supports both analog phone services....
NeoNova BV
2
Shareware
The Astium PBX is the most advanced PBX's nowadays available.
BuzzSIP, Inc.
3
Freeware
BuzzSIP is a VOIP softphone that allows you to speak with any other softphone.
2
Mizutech SRL
202
Shareware
Mizu Softphone is a professional VoIP softphone for Windows users.
3
iaxtalk.com
33
Freeware
sipLite softphone is a free softphone which works with SIP protocol.
