Protocol Builder
1
Shareware
.Net Protocol Builder is a tool to generate TCP Protocol code in C#.
BreakPoint Software
112
Shareware
SIP Workbench is a graphical protocol analyzer and viewer.
3CX Ltd
30
Freeware
It can simplify Firewall configuration at both the remote and the PBX location.
15
Linphone
2,566
Open source
Configure SIP accounts, perform VoIP phone calls or initiate audio conferences.
1
Interactive Intelligence
5
Freeware
SIP Proxy - survivable remote site telephony (SRST) during disaster recovery.
Richard GAYRAUD, Olivier JACQUES
253
Open source
Sipp is a performance testing tool for the SIP protocol.
53
ProfInfoTech
4
Shareware
New generation phone system working in IP-networks using SIP protocol.
3
iaxtalk.com
33
Freeware
sipLite softphone is a free softphone which works with SIP protocol.
5
Innovative Systems of Communication LLC
32
Freeware
Flaphone™ is a SIP (Session Initiation Protocol) compatible web softphone...
Yasin KAPLAN
5
Shareware
TekFax is a SIP (Session Initiation Protocol) fax receiver server.
Microsoft Corporation
8
Freeware
It can be used for creating server-side Session Initiation Protocol (SIP) apps.
3
Set Time
1
Shareware
Complete source code provided to a freeware SimpleNetwork Time Protocol (SNTP) client written as a l....
