SipToSis for Windows

Used SipToSis for Windows?

SipToSis Analysis

AI Assisted Content · June 11, 2026

Not written by CNET Staff.

SipToSis is a free VoIP software designed for Windows that facilitates internet-based voice communication. This application allows users to make voice calls over the internet using SIP (Session Initiation Protocol), providing an efficient alternative to traditional phone services. With a user-friendly interface, it integrates easily with existing SIP accounts, allowing seamless communication without the need for additional hardware.

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The software is equipped with features such as call management, voicemail support, and a contact directory, enhancing user experience and accessibility. SipToSis supports a variety of codecs, ensuring high-quality audio during calls. Its lightweight design ensures minimal system resource consumption, making it suitable for both personal and professional use. Overall, SipToSis presents a robust option for users seeking reliable VoIP capabilities on the Windows platform.

SipToSis for Windows

Used SipToSis for Windows?

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Full Specifications

GENERAL

Release: September 29, 2009

Latest update: June 11, 2026

Version: 20090902

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows 7
Windows Server
Windows Vista
Windows XP
Windows 10
Windows 2000
Windows NT
Windows 2003

Additional Requirements: Skype 3.6, SIP ATA, softphone/PBX, Java 1.5

POPULARITY

Total Downloads: 1,113

Downloads Last Week: 0

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Last Updated

User Reviews

4/5

4 User Votes

great flexible software
kcrustyMarch 30, 2010
Pros
make and receive skype call and very customizable to fit your needs. author is very reponsive your questions.
Cons
not for beginner
Summary
Here is my (The Author) "Unethical" rating
skypesnapNovember 8, 2009
Pros
Allows making and receiving skype calls without being stuck next to your computer or PBX.
Cons
Requires computer to be on. Some people can't figure it out.
Summary
This program is very flexible. Because of this, some users have difficulty configuring it.
Not for beginners
Techanalyst4uNovember 8, 2009
Pros
There is nothing I found
Cons
Readme file is too complicated to understand as to how to dial a skype user.
Summary
Readme file is too complicated to understand as to how to dial a skype user.<br /><br /><span class='notifyMsg'> Updated </span>on Nov 8, 2009<p/>The publisher of software has rated his own application with 5 star rating. Unethical practices. Please remove his rating.
Work great
skypeme543October 9, 2009
Pros
Easy enough to setup and it works. It's Free.
Cons
Doesn't wash my dishes.
Summary
I tried the trial versions of Uplink, PSGW and SiSky. They either don't work or have serious problems. This program works and gives me no trouble.

Developer’s Description

Make and receive Skype calls using your SIP ATA, softphone or PBX.

SipToSis is Java software that allows you to make and receive Skype calls from your SIP ATA, softphone, IP phone or SIP PBX. You can also make and receive SIP calls from Skype. It let's you integrate Skype into your SIP VOIP phone system.