42
Ozeki Ltd.
14
Demo
Provides professional technology for VoIP voice calling.
Vietnam Datacommunication Company
21
Freeware
VNN-SIP-Fone uses public Internet to establish calls between telephone and PC.
19
NCH Swift Sound
4,101
Shareware
It is a program that allows you to make phone calls using your computer.
46
Attractel
12,044
Shareware
Zoiper Classic BIZ provides secure high-quality voice calls and conference.
4
OfficeSIP Communications
308
Freeware
It is a simple application that allows you to use regular telephones.
6
Budgetsip
16
Freeware
VOIP-based telephony from your computer at cheaper rates.
2
Ecotronics Ventures LLC
144
Freeware
Kapanga Softphone is a powerful and unique SIP software telephone.
63
FaxVoip Software
19
Shareware
Fax Voip Softphone - SIP/H.323 software telephone. T.38 Fax. Call Recording.
33
Real-Soft.co.uk
27
Freeware
Telephone Bank stores all your telephone numbers in a telephone book database.
63
KaplanSoft
60
Shareware
TekSIP is a SIP Registrar and SIP Proxy for Windows.
1
PCBest Networks
18
Freeware
Robust SIP ActiveX Phone is a powerful and robust SIP ActiveX phone client.
E-Soft Billing (Pvt.) Ltd.
2
Demo
SIP Mobile Dialer is designed for small and mid size VoIP/SIP providers.
KMiNT21 Software
2
Commercial
Telephone Spy records telephone conversations directly to your hard disk.
1
Triplebit
43
A professional telephone voice changer. Supports telephone mobile, internet.
30
orangesoftware
7
Freeware
Simple, easy to use telephone and address book. Stores multiple addresses and telephone numbers as w....
2
Anton Raharja
11
Open source
This software enables voice, video and IM sessions based on XMPP, SIP and IAX2.
