3CX Ltd
30
Freeware
It can simplify Firewall configuration at both the remote and the PBX location.
63
KaplanSoft
60
Shareware
TekSIP is a SIP Registrar and SIP Proxy for Windows.
CALLURL Inc.
Shareware
CONTAX PCX is an affordable communications solution that is easy to use.
37
Youngzsoft, Inc.
8,837
Shareware
It enables you to build your own proxy server and share Internet connection.
3
Duxoft Lite
130
Freeware
It is a SIP-based softphone, can be used to make or receive calls.
44
Grok Developments Ltd
7
Shareware
NetProxy is a multiple-protocol proxy server and firewall for Windows. It allows many users on a net....
1
FaxVoip Software
4
Shareware
Fax and Answering Machine for your SIP/H.323/ISDN CAPI 2.0 line.
FaxVoip Software
Shareware
T.38 Fax/Voice/SIP/H.323/ISDN modem. Operates with standard fax soft.
Auerswald GmbH & Co.KG
8
Freeware
Enables you to attach an ISDN PBX or another ISDN device to two connections.
2
Auerswald GmbH & Co.KG
347
Freeware
Emulate functions of an isdn pc controller as well as of an isdn network.
ISDN Company
14
Freeware
The ISDN Utility includes helpful programs for the Billion mini USB ISDN TA128.
LANCOM Systems GmbH
34
Freeware
ISDN fax and data communication for LANCOM routers with ISDN interface.
Sponkosoft
Freeware
ISDN Monitor is a program that shows incoming phone calls from ISDN lines. You can assign names to p....
Utel Systems
1
Commercial
STINGA ISDN Monitor is a stand-alone real-time ISDN protocol analyzer.
3
Net Notion
10
Shareware
Check proxy(including: http, https,ftp, socks4, socks5 proxy) and show their speed, derive proxy fro....
11
Juliusz Chroboczek
2,898
Freeware
Polipo is a small caching web proxy (a web cache, an HTTP proxy, a proxy server).
