Asterisk Blog - Page 2

An Asterisk appliance is a computer with Asterisk installed or “embedded” along with an Asterisk GUI, and FXO and FXS ports. Generally, Asterisk appliances have smaller form factors than desktops or some server models, and are highly efficient…

One of the ways in which Asterisk can be useful, other than by functioning as a PBX, is to provide automated testing and call generation of other VoIP systems. In a lab environment, it can be difficult to…

Synopsis Read or write text file. Description Read and write text file in character and line mode. Examples: Read mode (byte): ;reads the entire content of the file. Set(foo=${FILE(/tmp/test.txt)}) ;reads from the 11th byte to the end of…

Synopsis: Replace a set of characters in a given string with another character. Description: Iterates through a string replacing all the <find-chars> with <replace-char>. <replace-char> may be either empty or contain one character. If empty, all <find-chars> will…

Usage sip show inuse [all] List all SIP devices usage counters and limits. Add option “all” to show all devices, not only those with a limit. Example Extension 203 is calling extension 201 CLI> sip show inuse Peer…

The “QueueSummary” request returns summary information about the existing queues. The response consists of QueueSummary events one per queue. It ends with an QueueSummaryComplete event. Parameters: ActionID, Queue. The Queue parameter allows to select one queue to view….

Page Contents General/Misc Commands Core Commands dahdi Commands Database Commands Dialplan Commands Fax Commands IAX2 Commands SIP Commands PRI Commands Manager Commands Queue Commands The Asterisk command line interface (CLI) is reached by using the Linux shell command…

This file is used to configure whether Asterisk should perform DNS lookups on a regular basis, and how often those lookups should be performed. Syntax of the config file is as follows:   [general] ;enable=yes ; enable creation…

Uses SNMPv3. Follow ((Asterisk SNMP) on how to configure your asterisk server to have SNMP. <?xml version=”1.0″ encoding=”UTF-8″?><zabbix_export version=”1.0″ date=”23.02.11″ time=”10.06″><hosts><host name=”asterisk_snmp”><ip>0.0.0.0</ip><port>10050</port><status>3</status><groups></groups><triggers/><items><item type=”6″ key=”astConfigCallsActive.0″ value_type=”3″><description>Asterisk Calls Active</description><ipmi_sensor></ipmi_sensor><delay>5</delay><history>90</history><trends>365</trends><status>0</status><data_type>0</data_type><units></units><multiplier>0</multiplier><delta>0</delta><formula>0</formula><lastlogsize>0</lastlogsize><logtimefmt></logtimefmt><delay_flex></delay_flex><authtype>0</authtype><username></username><password></password><publickey></publickey><privatekey></privatekey><params></params><trapper_hosts>localhost</trapper_hosts><snmp_community></snmp_community><snmp_oid>.1.3.6.1.4.1.22736.1.2.5.0</snmp_oid><snmp_port>161</snmp_port><snmpv3_securityname>asteriskUser</snmpv3_securityname><snmpv3_securitylevel>2</snmpv3_securitylevel><snmpv3_authpassphrase>your password</snmpv3_authpassphrase><snmpv3_privpassphrase>your password</snmpv3_privpassphrase><applications><application>Asterisk Configuration</application></applications></item><item type=”6″ key=”astConfigCallsProcessed.0″ value_type=”3″><description>Asterisk Total number of calls since…

Asterisk can be monitored using SNMP. It includes a resource called res_snmp. An article about configuring and installing SNMP can be found on Voxilla: How To: Monitor Asterisk with SNMP For Asterisk version 1.8.x you can follow the…

Unlike standard telephony, where there is no perceivable delay between voice transmission and receipt, at least on local calls, VOIP introduces a number of extra layers than can increase this delay. Here are a few things you can…

; ; Asterisk Channel Event Logging (CEL) ; ; Channel Event Logging is a mechanism to provide fine-grained event information ; that can be used to generate billing information. Such event information can ; be recorded to databases…

Connectedline is a name to describe the aspects of the common feature called RPID or remote party id. The idea is that a user can dial a number and the display on the users phone is updated during…