Am Freitag, 3. Oktober 2003 18:22 schrieb Julian Hüper:
> Hallo Liste,
> kann mir jemand sagen ob es Programme für Voice-Chat unter Linux gibt?
> Am besten wäre es, wenn das Programm alle Möglichen Netzwerke unterstützen
Ein Freund beschäftigt sich z.Z. mit diesem Thema und daher habe ich zwei
Tipps: Teamspeak und Asterisk.
AFAIK stehen beide nicht unter GPL, so das ich gerne alternativen hören würde.
Immerhin scheint asterisk den source zu liefern.
TeamSpeak is an application which allows its users to talk to each other over
the internet and basically was designed to run in the background of online
games. The voice quality and hereby the bandwidth usage is configurable and
can be low for modem users or as good as normal phone calls for better
connections. Still the client's maximum bandwidth won't exceed 25.9 KBit/s
(=3.3 KB/s) upstream.
Also TeamSpeak uses as little latency as possible, which makes TeamSpeak one
of the best online gaming communication programs.
But one of TeamSpeak's largest advantages is: TeamSpeak is a cross-platform
voice communication tool. This means that client and server are available for
Windows as well as for Linux. It doesn't matter which operating system you
use any longer, you can talk "across the border". And yes, special greetings
to the large MAC community, a MAC version of TeamSpeak is planned already.
Additionally we have to say that TeamSpeak is a contribution to the gaming
community and thus it is completely free for non-commercial users. Commercial
users, defined as anyone who uses TeamSpeak as company or to earn money (see
the license agreement for the exact definition), need to pay a small fee to
TeamSpeak. Read the [link]license agreement[/link] for deta
Asterisk is a complete PBX in software. It runs on Linux and provides all of
the features you would expect from a PBX and more. Asterisk does voice over
IP in three protocols, and can interoperate with almost all standards-based
telephony equipment using relatively inexpensive hardware.
Asterisk provides Voicemail services with Directory, Call Conferencing,
Interactive Voice Response, Call Queuing. It has support for three-way
calling, caller ID services, ADSI, SIP and H.323 (as both client and
gateway). Check the Features section for a more complete list.
Asterisk needs no additional hardware for Voice over IP. For interconnection
with digital and analog telephony equipment, Asterisk supports a number of
hardware devices, most notably all of the hardware manufactured by Asterisk's
sponsors, Digium. Digium has single and quad span T1 and E1 interfaces for
interconnection to PRI lines and channel banks. In addition, an analog FXO
card is available, and more analog interfaces are in the works.
Also supported are the Internet Line Jack and Internet Phone Jack products
Asterisk supports a wide range of TDM protocols for the handling and
transmission of voice over traditional telephony interfaces. Asterisk
supports US and European standard signalling types used in standard business
phone systems, allowing it to bridge between next generation voice-data
integrated networks and existing infrastructure. Asterisk not only supports
traditional phone equipment, it enhances them with additional capabilities.
Using the IAX Voice over IP protocol, Asterisk merges voice and data traffic
seamlessly across disparate networks. While using Packet Voice, it is
possible to send data such as URL information and images in-line with voice
traffic, allowing advanced integration of information.
Asterisk provides a central switching core, with four APIs for modular loading
of telephony applications, hardware interfaces, file format handling, and
codecs. It allows for transparent switching between all supported interfaces,
allowing it to tie together a diverse mixture of telephony systems into a
single switching network.
Asterisk is primarily developed on GNU/Linux for x/86. It is known to compile
and run on GNU/Linux for PPC. Other platforms and standards based UNIX-like
operating systems should be reasonably easy to port for anyone with the time
and requisite skill to do so. Asterisk is available in the testing and
unstable Debian archives, maintained thanks to Mark Purcell.