SPEAK FREELYSPEAK FREELY FOR WINDOWSSPEAK FREELY LINKSSF MAIN MENUSPEAK FREELY HISTORY Speak Freely is a 100% software-based VoIP phone originally written in 1991 by John Walker, founder of Autodesk, and Brian C. Wiles. Over the years since, other VoIP applications popped up, but Speak Freely was the first VoIP application (or Internet telephone) released to the public. Brian had written another VoIP application in 1989 called

SPEAK FREELY

News 01/04/2002 - Version 7.2 released!: Speak Freely is a 100% software-based VoIP phone originally written in 1991 by John Walker, founder of Autodesk. After April of 1996, he discontinued development on the program. Since then, several other VoIP "phones" have cropped up all over the world.

SF DOWNLOAD INDEX

Download Speak Freely Choose the VoIP phone you want below: Release 7.2 Most users will want to download the following: U.S.A.: Release 7.2 for Windows with Crypto (806 KB Installer) Otherwise, feel free to download any of the following (if one location doesn't work, try

another):

SPEAK FREELY HISTORY Speak Freely History. A brief history of Speak Freely RASCAL Back in 1989, Brian C. Wiles had an idea to create a software product that would allow PC gamers to talk to their opponents while playing video games against each other over their dialup modems. SPEAK FREELY FOR WINDOWS Table of Contents Introduction Hardware and software requirements Connections Creating a new connection Setting connection options Closing a connection

SF MAIN MENU

Speak Freely Choose a destination: SPEAK FREELY: VOICE ACTIVATION Voice activation. Network capacity (bandwidth) is finite and precious; it's important not to waste it. Even though users with full-duplex audio hardware could, in theory, transmit continuously, this would be irresponsible as it would double the load on the network with no real benefit. Speak Freely normally operates in "push to talk" mode like a handheld radio; you use the left mouse button or SPEAK FREELY: COMMUNICATING WITH OTHER NETWORK VOICE PROGRAMS Communicating with other network voice programs Note: sending voice over the Internet is complicated enough even when the same application is used on both ends. SPEAK FREELY: ECHO SERVERS Echo servers Setting up Speak Freely usually involves fiddling around with different compression modes, connection options, and, perhaps, workarounds for bugs in your network and audio drivers. Getting everything set right for your machine, network connection, and audio hardware usually requires testing various modes in real connections. SPEAK FREELY: NEW CONNECTION Creating a new connection To open a new connection, use the Connection/New menu item. The new connection dialogue box will appear. To initiate a network connection, enter the name of the host you wish to connect to, either as an Internet host name (for example, stinky.dwarves.org) or a numeric Internet address (IP address) such as

123.45.67.89.

SPEAK FREELYSPEAK FREELY FOR WINDOWSSPEAK FREELY LINKSSF MAIN MENUSPEAK FREELY HISTORY Speak Freely is a 100% software-based VoIP phone originally written in 1991 by John Walker, founder of Autodesk, and Brian C. Wiles. Over the years since, other VoIP applications popped up, but Speak Freely was the first VoIP application (or Internet telephone) released to the public. Brian had written another VoIP application in 1989 called

SPEAK FREELY

News 01/04/2002 - Version 7.2 released!: Speak Freely is a 100% software-based VoIP phone originally written in 1991 by John Walker, founder of Autodesk. After April of 1996, he discontinued development on the program. Since then, several other VoIP "phones" have cropped up all over the world.

SF DOWNLOAD INDEX

Download Speak Freely Choose the VoIP phone you want below: Release 7.2 Most users will want to download the following: U.S.A.: Release 7.2 for Windows with Crypto (806 KB Installer) Otherwise, feel free to download any of the following (if one location doesn't work, try

another):

SPEAK FREELY HISTORY Speak Freely History. A brief history of Speak Freely RASCAL Back in 1989, Brian C. Wiles had an idea to create a software product that would allow PC gamers to talk to their opponents while playing video games against each other over their dialup modems. SPEAK FREELY FOR WINDOWS Table of Contents Introduction Hardware and software requirements Connections Creating a new connection Setting connection options Closing a connection

SF MAIN MENU

Speak Freely Choose a destination: SPEAK FREELY: VOICE ACTIVATION Voice activation. Network capacity (bandwidth) is finite and precious; it's important not to waste it. Even though users with full-duplex audio hardware could, in theory, transmit continuously, this would be irresponsible as it would double the load on the network with no real benefit. Speak Freely normally operates in "push to talk" mode like a handheld radio; you use the left mouse button or SPEAK FREELY: COMMUNICATING WITH OTHER NETWORK VOICE PROGRAMS Communicating with other network voice programs Note: sending voice over the Internet is complicated enough even when the same application is used on both ends. SPEAK FREELY: ECHO SERVERS Echo servers Setting up Speak Freely usually involves fiddling around with different compression modes, connection options, and, perhaps, workarounds for bugs in your network and audio drivers. Getting everything set right for your machine, network connection, and audio hardware usually requires testing various modes in real connections. SPEAK FREELY: NEW CONNECTION Creating a new connection To open a new connection, use the Connection/New menu item. The new connection dialogue box will appear. To initiate a network connection, enter the name of the host you wish to connect to, either as an Internet host name (for example, stinky.dwarves.org) or a numeric Internet address (IP address) such as

123.45.67.89.

SF DOWNLOAD INDEX

Download Speak Freely Choose the VoIP phone you want below: Release 7.2 Most users will want to download the following: U.S.A.: Release 7.2 for Windows with Crypto (806 KB Installer) Otherwise, feel free to download any of the following (if one location doesn't work, try

another):

SPEAK FREELY: MEASURING COMPUTER PERFORMANCE Measuring computer performance. Many of Speak Freely's compression and encryption modes require substantial amounts of computation. In order to transmit and receive audio in real time, without regular pauses, your computer must be fast enough to compress and/or encrypt audio at least as fast as it arrives from the microphone or across the network.The performance of machines running Windows SPEAK FREELY: SHOW YOUR FACE Show your face. Speak Freely's Show Your Face mechanism lets people see who they're talking to.If you'd like to show people who connect an image of your face (or any other image, for that matter), create a GIF file or a 256 colour uncompressed Microsoft Windows SPEAK FREELY FOR WINDOWS: DEVELOPMENT LOG 23 August 1995 Initial announcement of Speak Freely Release 5.0. 24 August 1995 Peter Claus Gutman (pgut01@cs.auckland.az.nz), developer of a very nice encryption library, wrote SPEAK FREELY: COMPRESSION MODES Compression modes If you're talking to another user on the same high-speed local area network, or you're one of the lucky few with a high bandwidth connection to the Internet backbone, there's no need to bother compressing audio. SPEAK FREELY: BOOKSHELF Bookshelf The following references will help you understand the design, implementation, and use of Speak Freely.. Allard, J., Keith Moore, and David Treadwell. SPEAK FREELY: OPENING A CONNECTION Opening a connection file The Connection/Open menu item opens a connection using the destination and connection options given in an .SFX file previously created by Connection/Save or Connection/Save As.. If a connection to the host named by the .SFX file is already open, its options are set to those found in the file.. You can also open a connection by dragging an .SFX file from the File SPEAK FREELY; RECEIVING SOUND Receiving sound As sound packets arrive, they're immediately sent to the audio output device. If a packet arrives from a host with which you haven't opened a connection, a new temporary connection to that host is automatically opened.If you respond to the host by either sending live audio or a sound file, the connection becomes permanent.Otherwise, a temporary connection is automatically SPEAK FREELY: FINDING ON-LINE USERS Finding on-line users. Speak Freely's "Look Who's Listening" facility allows Speak Freely users to publish their E-mail and Internet addresses and optional additional information on a server accessible to other users. You can query a Look Who's Listening Server with the Phonebook/Search menu item. The "Server" specifies the host name or Internet address of a Unix site running the server you SPEAK FREELY: PUBLISHING YOUR DIRECTORY ENTRY Publishing your directory entry. Speak Freely's "Look Who's Listening" facility allows you (at your sole discretion) to publish a directory entry on a server so other people on the Internet can see you're on line and willing to accept calls.If your Internet connection is via a dial-up line (SLIP or PPP connection) which assigns you as different Internet (IP) address and/or host name each time SPEAK FREELYSPEAK FREELY FOR WINDOWSSPEAK FREELY LINKSSF MAIN MENUSPEAK FREELY HISTORY Speak Freely is a 100% software-based VoIP phone originally written in 1991 by John Walker, founder of Autodesk, and Brian C. Wiles. Over the years since, other VoIP applications popped up, but Speak Freely was the first VoIP application (or Internet telephone) released to the public. Brian had written another VoIP application in 1989 called SPEAK FREELY HISTORYSPEAK FREELY APPSPEAK FREELY BOOKSPEAK FREELY

DEFINITION

Speak Freely History. A brief history of Speak Freely RASCAL Back in 1989, Brian C. Wiles had an idea to create a software product that would allow PC gamers to talk to their opponents while playing video games against each other over their dialup modems.

SPEAK FREELY

News 01/04/2002 - Version 7.2 released!: Speak Freely is a 100% software-based VoIP phone originally written in 1991 by John Walker, founder of Autodesk. After April of 1996, he discontinued development on the program. Since then, several other VoIP "phones" have cropped up all over the world. SPEAK FREELY FOR WINDOWS Table of Contents Introduction Hardware and software requirements Connections Creating a new connection Setting connection options Closing a connection SPEAK FREELY: VOICE ACTIVATION Voice activation. Network capacity (bandwidth) is finite and precious; it's important not to waste it. Even though users with full-duplex audio hardware could, in theory, transmit continuously, this would be irresponsible as it would double the load on the network with no real benefit. Speak Freely normally operates in "push to talk" mode like a handheld radio; you use the left mouse button or SPEAK FREELY: COMMUNICATING WITH OTHER NETWORK VOICE PROGRAMS Communicating with other network voice programs Note: sending voice over the Internet is complicated enough even when the same application is used on both ends. SPEAK FREELY: ECHO SERVERS Echo servers Setting up Speak Freely usually involves fiddling around with different compression modes, connection options, and, perhaps, workarounds for bugs in your network and audio drivers. Getting everything set right for your machine, network connection, and audio hardware usually requires testing various modes in real connections. SPEAK FREELY: SHOW YOUR FACE Show your face. Speak Freely's Show Your Face mechanism lets people see who they're talking to.If you'd like to show people who connect an image of your face (or any other image, for that matter), create a GIF file or a 256 colour uncompressed Microsoft Windows SPEAK FREELY: NEW CONNECTION Creating a new connection To open a new connection, use the Connection/New menu item. The new connection dialogue box will appear. To initiate a network connection, enter the name of the host you wish to connect to, either as an Internet host name (for example, stinky.dwarves.org) or a numeric Internet address (IP address) such as

123.45.67.89.

SPEAK FREELY: HALF- VS. FULL-DUPLEX Half-duplex vs. full-duplex On a regular telephone, you can talk and listen at the same time: the telephone is a full-duplex device. With a portable radio walkie-talkie, on the other hand, as long as you hold down the "Talk" button, you can't hear anybody else who's trying to talk to you--that's why radio users say "Over" at the end of a transmission--so the other person knows you've finished SPEAK FREELYSPEAK FREELY FOR WINDOWSSPEAK FREELY LINKSSF MAIN MENUSPEAK FREELY HISTORY Speak Freely is a 100% software-based VoIP phone originally written in 1991 by John Walker, founder of Autodesk, and Brian C. Wiles. Over the years since, other VoIP applications popped up, but Speak Freely was the first VoIP application (or Internet telephone) released to the public. Brian had written another VoIP application in 1989 called SPEAK FREELY HISTORYSPEAK FREELY APPSPEAK FREELY BOOKSPEAK FREELY

DEFINITION

Speak Freely History. A brief history of Speak Freely RASCAL Back in 1989, Brian C. Wiles had an idea to create a software product that would allow PC gamers to talk to their opponents while playing video games against each other over their dialup modems.

SPEAK FREELY

News 01/04/2002 - Version 7.2 released!: Speak Freely is a 100% software-based VoIP phone originally written in 1991 by John Walker, founder of Autodesk. After April of 1996, he discontinued development on the program. Since then, several other VoIP "phones" have cropped up all over the world. SPEAK FREELY FOR WINDOWS Table of Contents Introduction Hardware and software requirements Connections Creating a new connection Setting connection options Closing a connection SPEAK FREELY: VOICE ACTIVATION Voice activation. Network capacity (bandwidth) is finite and precious; it's important not to waste it. Even though users with full-duplex audio hardware could, in theory, transmit continuously, this would be irresponsible as it would double the load on the network with no real benefit. Speak Freely normally operates in "push to talk" mode like a handheld radio; you use the left mouse button or SPEAK FREELY: COMMUNICATING WITH OTHER NETWORK VOICE PROGRAMS Communicating with other network voice programs Note: sending voice over the Internet is complicated enough even when the same application is used on both ends. SPEAK FREELY: ECHO SERVERS Echo servers Setting up Speak Freely usually involves fiddling around with different compression modes, connection options, and, perhaps, workarounds for bugs in your network and audio drivers. Getting everything set right for your machine, network connection, and audio hardware usually requires testing various modes in real connections. SPEAK FREELY: SHOW YOUR FACE Show your face. Speak Freely's Show Your Face mechanism lets people see who they're talking to.If you'd like to show people who connect an image of your face (or any other image, for that matter), create a GIF file or a 256 colour uncompressed Microsoft Windows SPEAK FREELY: NEW CONNECTION Creating a new connection To open a new connection, use the Connection/New menu item. The new connection dialogue box will appear. To initiate a network connection, enter the name of the host you wish to connect to, either as an Internet host name (for example, stinky.dwarves.org) or a numeric Internet address (IP address) such as

123.45.67.89.

SPEAK FREELY: HALF- VS. FULL-DUPLEX Half-duplex vs. full-duplex On a regular telephone, you can talk and listen at the same time: the telephone is a full-duplex device. With a portable radio walkie-talkie, on the other hand, as long as you hold down the "Talk" button, you can't hear anybody else who's trying to talk to you--that's why radio users say "Over" at the end of a transmission--so the other person knows you've finished

SPEAK FREELY

News 01/04/2002 - Version 7.2 released!: Speak Freely is a 100% software-based VoIP phone originally written in 1991 by John Walker, founder of Autodesk. After April of 1996, he discontinued development on the program. Since then, several other VoIP "phones" have cropped up all over the world.

SF DOWNLOAD INDEX

Download Speak Freely Choose the VoIP phone you want below: Release 7.2 Most users will want to download the following: U.S.A.: Release 7.2 for Windows with Crypto (806 KB Installer) Otherwise, feel free to download any of the following (if one location doesn't work, try

another):

SPEAK FREELY FOR WINDOWS Table of Contents Introduction Hardware and software requirements Connections Creating a new connection Setting connection options Closing a connection SPEAK FREELY FOR WINDOWS: DEVELOPMENT LOG 23 August 1995 Initial announcement of Speak Freely Release 5.0. 24 August 1995 Peter Claus Gutman (pgut01@cs.auckland.az.nz), developer of a very nice encryption library, wrote SPEAK FREELY: MEASURING COMPUTER PERFORMANCE Measuring computer performance. Many of Speak Freely's compression and encryption modes require substantial amounts of computation. In order to transmit and receive audio in real time, without regular pauses, your computer must be fast enough to compress and/or encrypt audio at least as fast as it arrives from the microphone or across the network.The performance of machines running Windows SPEAK FREELY: COMPRESSION MODES Compression modes If you're talking to another user on the same high-speed local area network, or you're one of the lucky few with a high bandwidth connection to the Internet backbone, there's no need to bother compressing audio. SPEAK FREELY: CONNECTION OPTIONS Setting connection options. When a connection is active, you can use the Options/Connection menu item to display the Connection Properties dialogue, which allows you to specify encryption keys and debug modes

for the connection.

SPEAK FREELY: OPENING A CONNECTION Opening a connection file The Connection/Open menu item opens a connection using the destination and connection options given in an .SFX file previously created by Connection/Save or Connection/Save As.. If a connection to the host named by the .SFX file is already open, its options are set to those found in the file.. You can also open a connection by dragging an .SFX file from the File SPEAK FREELY: FINDING ON-LINE USERS Finding on-line users. Speak Freely's "Look Who's Listening" facility allows Speak Freely users to publish their E-mail and Internet addresses and optional additional information on a server accessible to other users. You can query a Look Who's Listening Server with the Phonebook/Search menu item. The "Server" specifies the host name or Internet address of a Unix site running the server you SPEAK FREELY: PUBLISHING YOUR DIRECTORY ENTRY Publishing your directory entry. Speak Freely's "Look Who's Listening" facility allows you (at your sole discretion) to publish a directory entry on a server so other people on the Internet can see you're on line and willing to accept calls.If your Internet connection is via a dial-up line (SLIP or PPP connection) which assigns you as different Internet (IP) address and/or host name each time