asterisk commands

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Several special usages of asterisk variables in Python

In Python, in addition to multiplying numeric and exponentiation, there is a special use of "add a single asterisk or two asterisk before a variable" to implement a multi-parameter pass-through or a variable disassembly, which will be described in detail in the use of the asterisk parameter. First, what is the asterisk

Introduction to several special usages of asterisk variables in Python

In Python, in addition to multiplying numeric and exponentiation, there is a special use of "add a single asterisk or two asterisk before a variable" to implement a multi-parameter pass-through or a variable disassembly, which will be described in detail in the use of the asterisk parameter. First, what is the asterisk

Open source Software Architecture Summary--asterisk (DSL, Component, multithreading)

Asterisk 1 is an open-source telephony Application platform based on the GPLV2 protocol. To put it simply, this is a server-side program that handles dial-out, access, and custom processes for phones .A person uses phone A to call another person who uses phone B. In this scenario, there are two telephone terminals connected to the asterisk system, thus allocating two channels (1.2).Figure 1.2 Two channels r

Install Asterisk without hardware on Linux

On Linux, Asterisk-Linux Enterprise Application-Linux server application is installed without hardware. For details, refer to the following section. I recently studied an Open Source PBX: Asterisk. After a week of hard work, there was no obstacle to installing it for N times. I will summarize it for you. Asterisk is what I don't want to talk about, interested in

Asterisk's path to the future: 3.0 _ 0001

Original article: asterisk's path to the future: 3.0 _ 0001 Chapter 1: telecom technology revolution At first they ignored you, then they laughed at you, then they challenged you, and finally you won. --- Mahatma GANHDI Five years ago, when I first planned to write a book about asterisk, I predicted that asterisk would change the communication industry. Today, the change I predicted has been fully reali

Install asterisk with no hardware on Linux

Asterisk is what I do not want to say more, interested in watching www.asterisk.org and www.voip-info.org. Perhaps because it is open source, the mainstream version of the asterisk lack of official documents. All installation, configuration, and customer support technical details are on his wiki and mailing list. So when you get started, you're a little overwhelmed. Ast

Share Asterisk realization of the analog ring tone form call

Simply speaking, the ring is called when the calling call, the main call will hear a piece of music or voice. Instead of a normal ringing tone. In the Asterisk dial () in the addition of lowercase m can be set to achieve playback of voice, that is, the realization of ring tones. The following example: Copy Code Exten = _x.,1,dial (sip/${exten},,m) so that when the call is called the user, the voice stored in the a

Iptables fo Asterisk

Iptables fo Asterisk Sip on UDP port 5060. Other sip servers may need TCP port 5060 as well Iptables-A input-p udp-m udp-dport 5004: 5082-J accept Iax2-The IAX protocol Iptables-A input-p udp-m udp-dport 4569-J accept IAX-most have switched to IAX V2, or ought Iptables-A input-p udp-m udp-dport 5036-J accept RTP-the media stream Iptables-A input-p udp-m udp-dport restart :20000-J accept MGCP-if you use media gateway control protocol in you

How do I remove an asterisk that is automatically added when the Eclipse multiline comment format code?

When using Eclipse's code format, the format of the multiline comment is scrambled, and each line is added an asterisk before, is there any way to set this multi-line comment format template to remove these asterisks?Java->code style->formatter Click on the tab to select the comments, the general settings in the "Enable comment formatting" in front of the tick off it can beHow do I remove an asterisk that i

Asterisk SIP protocol stack register Function Analysis

This article is from csdn lidp and reposted the famous source. Thank you. For information and technology trends in the VoIP industry, see www.voip123.cn. For the registration function, Asterisk SIP protocol stack provides two services, 1. Asterisk is used as the SIP client and registered with other sip servers.2. Asterisk is used as the SIP registration server to

Asterisk Architecture Overview

The asterisk core handles these items internally: PBX switching-The essence of communication, of course, is a private branch exchange switching system, connecting calltogether between varous users and automatic tasks. The switching core transparently connects callers arriving on various hardware and software interfaces. Application launcher-Launches applications which perform services for uses, such as voicemail, file playback, and directory listing.

On constructing enterprise open source VoIP with asterisk

Many people want to know whether it is possible to build an enterprise-class open source VoIP solution and whether it is good to do so. This paper gives some positive answers to this question. Building Enterprise Open source VoIP with asterisk Many people want to know if it is possible to build an enterprise Industry-Class Open source VoIP solution about 庋  鍪 owe 裼 diarrhea α4 Kite Ganzhin Liao called the support Fascine,  褹 The unique is that i

Describes the special use of asterisk variables in Python

In Python, in addition to multiplying numeric and exponentiation, there is a special use of "add a single asterisk or two asterisk before a variable" to implement a multi-parameter pass-through or a variable disassembly, which will be described in detail in the use of the asterisk parameter. First, what is the asterisk

Asterisk access rule Remote Security Restriction Bypass Vulnerability

Release date:Updated on: Affected Systems:Asterisk Business Edition C.3.7.4Asterisk Business Edition C.3.7.3Asterisk Business Edition C.3.6.4Asterisk Business Edition C.3.6.3Asterisk Business Edition C.3.6.2Asterisk Business Edition C.3.3.2Asterisk Business Edition C.3.2 3Asterisk Business Edition C.3.2 2Asterisk Business Edition C.3.1.0Asterisk Business Edition C.3.1 1Asterisk Business EditionDescription:--------------------------------------------------------------------------------Bugtraq id:

Use sqlserver to store the call records of Asterisk

It is very easy to store the call records of Asterisk to MySQL, but it is also easy to store them to SQL Server. First declare the environment: centos6.2 + asterisk 1.8.7.1 + freetds 0.91 + sqlserver 2008 1. Install rpmforge and epel sources 2. Install freetds:Yum install freetds * 3. Configure and test freetdsVI/etc/freetds. confExample:IP: Port mode: [Sql2008] Host= 172.16.16.100Port= 1433TDS ve

Div+css asterisk *

Often we encounter 2 places with the asterisk "*" in the div+css layout, a CSS selector that has no named name with an asterisk, and a CSS attribute word style that starts with a * in the CSS selector.First, the CSS asterisk * Selector* {padding:0; }The "*" number here is a wildcard , meaning all the tags in the HTML of the page.CSS Code: * { padding:0; margin:0;

Use the asterisk (*) wildcard character in CSS for a summary

This article describes a summary of using the asterisk (*) wildcard character in CSS sparingly The use of wildcards is mentioned in the article on CSS3 (if you are interested in using selectors in CSS3, refer to the attribute selector in the detailed CSS3 of my translation). There are several ways to use the characters in CSS3, such as an asterisk (*), a caret (^), and a dollar sign ($). Since the

case where the shell handles the file name itself with an asterisk

You must enclose all the file names you get into the array, or the for loop will be parsed as a wildcard, or you can use a shell dictionary, as well as quotation marks.Shell Dictionary Example#!/bin/BashEcho "Shell Definition Dictionary"#必须先声明declare-A dicdic= ([key1]="value1"[key2]="value2"[key3]="Value3") #打印指定key的valueEcho${dic["Key1"]} #打印所有key值Echo${!dic[*]} #打印所有valueEcho${dic[*]} #遍历key值 forKeyinch$(Echo${!dic[*]}) Do Echo "$key: ${dic[$key]}" DoneEcho "Shell definition Array"#数组li

PHP mobile phone number in the middle four digits with an asterisk * instead of display

Using PHP in three simple ways to achieve the mobile phone number of the middle four (n-bit) with an asterisk display: $mobile = ' 13912345678 ';1. String interception method$newMobile 1 = substr ($mobile, 0, 5). ' '. substr ($mobile, 9);echo $newMobile 1. ' 2. Substring of replacement string$newMobile 2 = substr_replace ($mobile, ' * * * *, 5, 4);echo $newMobile 2. ' 3. Use regular$newMobile 3 = preg_replace ('/(\d{5}) \d{4} (\d{2})/', ' $1****$

JavaScript verifies mobile number and implements asterisk (*) instead of instance _javascript tips

One, the JavaScript replaces mobile phone number middle 4 digits Match the handset number to the end, in the form of a similar "123****8901" Output ' 12345678901 '. Replace (/(\d{3}) \d{4} (\d{4})/, ' $1****$2 '); Example Note: This section is matched by a sequential 11-digit number in the string, replacing the middle 4-digit with the * number, and outputting the usual hidden phone number format. If you want to get only the end 4 digits, you can change to the following

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