4
RingCentral, Inc.
1,586
Shareware
Perform online calls, messages, video calls in a unified communications hub.
Phistream Inc.
Commercial
Phipe Enterprise is a highly customizable automatic desktop dialer.
46
Attractel
12,044
Shareware
Zoiper Classic BIZ provides secure high-quality voice calls and conference.
Zoiper.com
5,308
Shareware
Perform encrypted voice and video calls with family, friends, and colleagues.
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.
Auerswald GmbH & Co.KG
8
Freeware
Enables you to attach an ISDN PBX or another ISDN device to two connections.
4
NCH Swift Sound
1,600
Freeware
Axon is a virtual IP PBX for Windows designed to manage phone calls.
1
Code Plex
2
Freeware
FREE Windows-based open source PBX, IVR and Auto-Attendant Phone System.
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.
2
Zeosoft
253
Shareware
Call Accounting Software for a variety of PBX.
pbxnsip Inc.
25
Freeware
It is designed for the entry or hybrid VoIP or IP PBX market space.
