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README.TXT
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1996-03-25
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VocalTec Internet Phone (TM)
Version 3.2 (Build 21) - 25 March, 1996
=====================================
Copyright(c) 1993-1996 by VocalTec Ltd.
New features for version 3.2:
- Improved Audio Quality
- Internet Phone on the World Wide Web
- Working with Internet Phone in a Toolbox mode
- Improved Preferences control
- Improved Audio Quality
This version of Internet Phone lets you select one of three audio quality modes:
1. Standard Audio Quality for 14.4K connection - using a bandwidth of 10.5k bit/sec.
(Same as version 3.0 quality).
2. High Audio Quality for 14.4K connection - using a bandwidth of 12.5k bit/sec.
3. High Audio Quality for 28.8K connection using a bandwidth of 15.3k bit/sec.
Select the audio quality mode from the Quality menu.
You can change the audio quality only before starting a call.
If you are using an 28.8K connection choose the High Audio Quality for 28.8K mode
for having a smaller delay and a better handling of lost packets.
If you have a poor connection or slow computer and get bad results using the
High Quality mode, choose the Standard Audio Quality mode.
Please note that the actual conversation quality depends on both parties,
Internet Phone will switch both users to the mode using less bandwidth.
For example, if one party chooses Standard Quality and the other selects
High Quality, Standard Quality will be used.
The conversation quality is indicated by the IN and OUT indicators which will
flash with green for Standard Quality, yellow for 14.4K High Quality and
cyan for 28.8K High Quality.
When talking to people who have older versions of Internet Phone the Standard Quality
will be used (you can see the remote user build number by selecting
the User Info option in the Options menu. If you see that it is older than
build 20 you can advise him or her to download the new version...)
The default quality when running Internet Phone for the first
time is the Standard Quality.
- Internet Phone on the World Wide Web
This version of Internet Phone lets you make calls to Internet Phone
users from within a Web browser (This feature was checked to work with
Netscape and Microsoft's Internet Explorer. It may not work with other
browsers).
You can add standard hypertext links to Internet Phone users or topics
in Web pages. When you choose such a link in a Web browser, the Web
browser automatically runs Internet Phone, which connects to a server and
starts a call to the user.
Internet Phone maintains a local HTML file (IPHONE.HTM, located in the
Internet Phone directory) to which you can add links to any Internet Phone
user. This file serves as a sort of private phone-book, which you can
access from within Internet Phone or from your Web browser. Adding new
links to this file is simple: choose a Quick Dial button using the right
mouse button and choose "Save HTML Link" from the pop-up menu. This adds
to the IPHONE.HTM file a new link to the user listed under the Quick Dial
button (by setting a button that holds your own name, you can save an HTML
link to yourself). To add such links to other HTML files, simply cut and
paste them from the IPHONE.HTM file to the desired file.
This feature finally integrates the Internet Phone and the World Wide
Web. At last, you can add an Internet Phone link to your Home Page. Users
that surf the net can now contact you directly! Phone-books or user lists
can be compiled on the Web. Organizations can now provide information,
service or support, directly from within their Web site (for such a
purpose, it is probably better to add a link to a topic - even to a
private one - instead of to a specific user). These are only some of the
many possibilities that this feature opens to Internet users.
For more information on using this feature, choose "Search for Help On"
from the Internet Phone Help menu, type "Web" and open the corresponding
topic.
- Toolbox mode
Another feature provided by this version of the software is the ability
to turn the Internet Phone into a compact toolbox. This allows you to
easily use Internet Phone while using other applications, without wasting
precious desktop space.
For more information on using this feature, choose "Search for Help On"
from the Internet Phone HELP menu, type "toolbox" and open the
corresponding topic.
- Improved Preferences control
The Preferences dialog box has changed to provide better control of
the audio format used by the Internet Phone.
In order to use Internet Phone, you need...
-------------------------------------------
1. Windows 3.1 or higher.
2. 8MB of RAM recommended.
3. 486SX 25Mhz or faster recommended.
For full-duplex conversation, a 486 50MHz is required.
The high quality audio mode requires more CPU power than the
standard audio quality mode.
4. Windows compatible audio board, with speaker and microphone.
For full-duplex conversation, a full-duplex audio card or two different
audio cards are required, and we recommend, for the full duplex mode, an
earphone rather than a speaker. See http://www.vocaltec.com for an
updated list of full duplex cards.
5. TCP/IP software with WINSOCK 1.1 support.
6. A SLIP/PPP, or direct Internet connection (14,400 baud minimum).
Skip this section if you are running setup from a distribution diskette:
Installing the Internet Phone
-----------------------------
1. Make sure that your microphone and speaker work properly,
by recording yourself using the Microsoft's Sound Recorder.
2. Execute the self-extracting archive IPHONE18.EXE
3. Choose File/Run and execute C:\IPHONE\SETUP
A new program-manager group file will be created, with icons for The
Internet Phone and Help file
4. Double-click the Internet Phone / Internet Wave icon.
5. The first time you run the Internet Phone Software, a Quick Tour will
be suggested to you.
6. Start talking with the rest of the world!
Setting up for Full-Duplex Conversation
---------------------------------------
1. You must have a full-duplex audio card, or two different normal
(half-duplex) audio cards in order to use full-duplex mode.
2. Make sure that the modem compression and (possibly) error
correction is turned off. See "Modem Settings" below.
3. The Internet Phone will test your system performance and its
capacity for Full-duplex support on the first time you run
the new version. If you use two audio cards you will be asked to
specify which one to use for speaking and which one for listening.
Choose Preferences from the Options menu to change those settings in the Preference dialog box.
Full-duplex mode will not be set if your system does not have a
full-duplex audio card, or two audio cards.
4. Choose "Full Duplex" from the tool bar or from Options menu.
5. When starting a conversation, the bottom status line will show you
the connection mode:
- Full Duplex - both sides are using full-duplex mode. Both sides
can talk and listen at the same time.
- Local FDX - your system is in full-duplex mode, but the remote
system is only half duplex. The conversation will be half
duplex, but you will be able to break into your partner's
speech.
- Remote FDX - your system is set up for half-duplex operation,
and remote system is set for full-duplex operation.
- Speak/Listen - Normal half-duplex display.
Problems using Full-Duplex Conversation
---------------------------------------
The most obvious problem with full-duplex conversation is acoustic
feedback. It is strongly recommended to use full-duplex mode with a headset.
Alternately, try lowering the speaker volume, and put it as far as possible
from the microphone.
Improper setting of your full-duplex configuration, might interfere with
your partner's speech: If a half-duplex user is calling you, and your
voice-activation is set too low, every time his speech is heard in the
speaker, it might trigger your s