PC Best Networks
Freeware
A Free Windows SIP PBX, with rich and powerful features.
77
OfficeSIP Communications
159
Freeware
Provides you everything you need to facilitate communication around the office.
Ozeki Ltd.
14
Demo
Provides professional technology for VoIP voice calling.
1
PortSIP Sutions, Inc.
73
Freeware
Softphone compatible with SIP for voice over IP PBX or international providers.
2
Mizutech SRL
199
Shareware
Mizu Softphone is a professional VoIP softphone for Windows users.
53
ProfInfoTech
4
Shareware
New generation phone system working in IP-networks using SIP protocol.
3
AdoreSoftphone
208
Demo
A basic SIP Softphone that allows to connect to VoIP PBX and providers.
3telCafe
78
Freeware
A free SIP Softphone which offers PC-to-Phone service.
ZeeVoice
17
Freeware
A sip softphone for making and receiving VoIP calls.
11
PortSIP Solutions, Inc.
82
Freeware
PortGo is the newest SIP softphone from PortSIP, it's built base on PortSIP VoIP.
IntuitTech Sdn. Bhd
Freeware
hayibo is the first SIP softphone application written for business users.
3
iaxtalk.com
33
Freeware
sipLite softphone is a free softphone which works with SIP protocol.
27
Emil Stoyanov
43
Open source
Kiax is a softphone for making VoIP calls to Asterisk PBX.
StarTrinity.com
11
Freeware
SIP VoIP Softswitch with billing for VoIP wholesale, GSM termination, IVR, PBX.
32
ageet Corporation
11
Commercial
The new AGEphone Desktop 2 is SIP based internet telephony softphone.
2
Ecotronics Ventures LLC
144
Freeware
Kapanga Softphone is a powerful and unique SIP software telephone.
