Asterisk [1], asterisk
Asterisk [1] is an open-source Telephone Application Platform under the GPLv2 protocol. In short, Asterisk is a server application that can initiate a call, receive a call, and customize a call.
1.2.1 Channel Driver
The Channel Driver Interface of asterisk
Due to the need of VoIP projects at work, I recently got in close contact with the asterisk engineering code. As for the great Position and Role of Asterisk in VoIP, I will not talk about it. Please refer to the previous article: astersik + radius simple strategy.
The introduction of Asterisk materials in China, let alone the source code analysis of
Yii removes the asterisk from the required fields, and the asterisk in the Yii mandatory fields
This example describes how Yii removes asterisks from required fields. Share to everyone for your reference, as follows:
How do I get rid of the asterisk in the required fields?
First analyze the following code implementation:
Public Function Labelex ($model, $attribu
Python asterisk * And ** Usage Analysis, and python asterisk Usage Analysis
This article analyzes the usage of Python asterisks * and. We will share this with you for your reference. The details are as follows:
1. Variable names with asterisks (*) will store all unnamed variable parameters and cannot store dict. Otherwise, an error is returned.
For example:
Def multiple (arg, * args): print "arg:", arg # pr
PHP hidden IP address Two-bit display as an asterisk method, IP asterisk
This example describes the two-bit display of the PHP hidden IP address as an asterisk. Share to everyone for your reference. The implementation method is as follows:
We in many public websites will encounter the display user's IP when the next few IP segments appear as asterisks, so that t
Asterisk-java ami2 event listening, asterisk-javaami2
AsteriskServer article 1 does not explain how to obtain it.
AsteriskServer. addChainListener (new AsteriskeventListenerInit (); // monitors the events of the entire service and adds a listener to this service.
By implementing the ManagerEventListener class,
Public class AsteriskeventListenerInit implements ManagerEventListener {
@ OverridePublic void onM
solution will not be guaranteed.
Solution 2: wired
The cable solution can only deploy single-mode optical fiber cables at a distance of 12 kilometers, which is more time-consuming and costly. You can say you don't have to think about it.
Solution 3: Internet + VPN
The Internet can be said to be a public wide area network, and many telecom operators have established a four-way and eight-way long-distance network, which makes it possible for our compan
Rd and RT (mpls vpn bgp)
Rd (route-distinguisher) is used to identify different VPN instances on the PE device. Its main function is to achieve address multiplexing between VPN instances. It and the IP address constitute a 12byte vpnv4 address space, rd and the route are carried together in the bgp update message and published to the peer end. On the one hand, we
This article compares the IPSec VPN and ssl vpn technologies in detail, so that users from all walks of life can better understand the VPN technology and select the appropriate VPN product.
Another VPN implementation technology different from the traditional
With the decrease in the cost of using VoIP, family and individual users are receiving more and more requests for using Vonage (or other similar products). As VoIP Communication continues to grow in the area of home calls, in addition, open source code projects are becoming more and more powerful. Based on this background and environment, Asterisk is a new product that can replace traditional PBX and is suitable for small and medium-sized companies.Th
Installation:
1, install UnixODBC unixodbc-devel Libtool-ltdl Libtool-ltdl-devel, in order to enable asterisk support database storage (must be installed first)
2. Install MySQL and set up C_include_path and Ld_library_path
3, download the new version of Asterisk (asterisk-11-current.tar.gz) from Http://www.asterisk.org/downloads
4. Copy and unzip.
5, enter the e
Document directory
ABCs of VoIP
Keeping with Protocol
Private branch exchange
PBX hardware and software
Can you hear me now? Codec compatibility
Application in the real world
Workplace Integration
Best practices
Conclusions
Http://arstechnica.com/business/news/2010/01/a-quick-guide-to-voip-on-the-cheap-with-asterisk.ars/
With the advent of voice-over-IP (VoIP) technology, there has been a dramatic movement toward IP-only telecommunications, leaving the twisted pair of yesteryear i
Asterisk is known as the Swiss army knife in the VoIP field, and radius is the AAA billing protocol. Also, let's see how asterisk + radius can be combined with each other...
AsteriskIs an open-source software VoIP PBX system, which is a pure software implementation solution running in a Linux environment.AsteriskIt is a fully functional application that provides many telecom functions to turn your x86 machi
WIN8 Cisco VPN 442 Error solution/Error Code 442 Cisco VPN Clinet with Windows 8 when you start using win8, because of work needs to use Cisco VPN Client, however, in win8, the Cisco VPN Client reports a 442 Error and cannot be used. The following Error message is displayed: Error Code 442 while connect to
File: The asterisk. c file under the main directory
1,CodeFragment:
/* If the progname is rasterisk consider it a remote console */If (argv [0] (strstr (argv [0], "rasterisk "))! = NULL) {ast_set_flag ( ast_options, outputs | ast_opt_flag_remote);}... case 'r': ast_set_flag ( ast_options, outputs | ast_opt_flag_remote); break;
Note:
Running the rasterisk command on the terminal is equivalent to running as
What is VPN?
The full name of VPN is "Virtual Private Network", which is translated as "Virtual Private Network ". VPN is defined as a temporary and secure connection through a public network (usually the internet). It is a secure and stable tunnel through a chaotic public network. Using this tunnel can encrypt data several times to ensure secure Internet use.
Tags: blog HTTP color OS ar strong SP on Art Original article: asterisk's path to the future: 3.0 _ 0003
Asterisk: the hacker's PBX
If the telecommunications company ignores asterisk, it is in danger. With excellent scalability, asterisk can create unimaginable excellent systems. This is because Asterisk is th
Compile a Python script to configure VPN in batches and a python script vpn tutorial
Origin
As we all know, the recent network is not harmonious, the speed is slow, and the VPN is still disconnected. Fortunately, yunti provides a lot of servers for switching, but there are quite a lot of yunti servers, in Linux, Network Manager does not support batch configuratio
AsteriskRussell BryantAsterisk1 is an open source telephony applications platform distributed under the GPLV2. In short, it's a server application for making, receiving, and performing custom processing of phone calls.The project was started by Mark Spencer in 1999. Mark had a company called Linux support Services and he needed a phone system to help operate his business. He did not has a lot of money to spend in buying one, so he just made his own. As the popularity of
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