Open Source VoIP - Asterisk－藍色情懷

Open Source VoIP - Asterisk

VoIP (Voice over IP)是目前熱門的話題，因為只要有合適的軟硬體設備就可以透過網路講電話，這將使傳統高昂的長途電話費不存在。Asterisk是一套強大的 Open Source VoIP 軟體，只要將它裝在一般的 Linux server上，再配合軟體電話，就可以取代傳統的電話交換機及一般電話。

from Newsforge " A PBX for everyone with Asterisk@Home "

Asterisk Downloads

Version 1.2
Asterisk Version 1.2.6
Zaptel Version 1.2.5
Libpri Version 1.2.2
Addons Version 1.2.2
Sounds Version 1.2.1

參考資料：

http://www.iptel.org/ser/
SIP Express Router (ser) is a high-performance, configurable, free SIP ( RFC3261 ) server.
It can act as SIP registrar, proxy or redirect server.

http://www.asterisk.org/
Asterisk is a complete PBX in software.
Asterisk does voice over IP in many protocols, and can interoperate with almost all standards-based telephony equipment using relatively inexpensive hardware.

http://www.intel.com/design/network/products/npfamily/ixp4xx.htm
Based on high performance, low power Intel Xscale technology, IXP4XX network processors deliver a range of data, voice, security and I/O features using a common hardware and software architecture.