VoIP Blog - Page 837
PortaOne Radius auth
PortaOne’s Radius client for Asterisk Overview This GPL project brings Radius AAA capabilities to Asterisk PBX. It is written entirely in Perl, so it is 100% portable and easy to understand and customize! RADIUS attributes are used as…
Read More »Asterisk tips call through
Asterisk call through This is a simple call through example, after calling the system (extension 500), enter a phonenumber and the system dials it after pressing ‘#’. You can reenter the number after pressing ‘*’. After the “call…
Read More »Asterisk zaptel pulse dialing
Pulse Dialing on Zap Channels Since 1.0.1 Asterisk has pulse dialing support for zapata channels. Just specify pulsedial=yes in zapata.conf Workaround for Incorrect Pulse Decoding If you are using FXS ports on a TDM400 card and are having…
Read More »Asterisk tips fileexistance
As of Asterisk 1.4 the preferred method for determining if a file exists is using the STAT function: Asterisk func stat Asterisk Tips and Tricks: Branching depending on the existance of one or more files on the local…
Read More »Find next available least cost outbound channel
Dial out routines to find next best lowest cost channel [macro-dial-pstn-sip-iax] ; ; ; This macro tries the PSTN circuit first, then ; fails over to our SIP provider and uses IAX ; as a last resort….
Read More »GSM
GSM stands for Global System for Mobile Communications. It is the dominant mobile phone communication protocol in Europe and also popular elsewhere. The name is also used to describe some of the voice codecs used in the GSM…
Read More »ITU G.722
G.722 is a high bit rate (48/56/64Kbps) ITU standard codec. ITU G series recommendations There was long thread on the one of the Asterisk Mailing Lists recently about the G.722 codec.. Some of the more interesting messages: Andrew…
Read More »Asterisk dCAP
Digium Certified Asterisk Professional dCAP, Digium Certified Asterisk Professional, is a verification of your knowledge of Asterisk gained in the training class. The certification is personal and is given for a version of Asterisk. The current dCAP exam…
Read More »SpectraLink
In 2007, Polycom acquired Spectralink, the industry leader in Voice-over-WiFi technology. This acquisition followed Polycom’s earlier purchase of Kirk Wireless, a leader in DECT wireless equipment manufacturing. These acquisitions enabled Polycom to leapfrog into a leading roll in…
Read More »Azatel
Azatel designs, manufactures and integrates SIP & MGCP related products to provide our partners with highly advanced Analogue Terminal Adapters (ATA) and cost effective SIP solutions. AZACALL200 Our flagship model, the Azacall200, has gained significant industry recognition from…
Read More »Hex Editor
An editor for editing binary files. There contents for the file are shown in Hexidecimal, although binary, decimal, octal, and ASCII display modes may also be available. Windows Hex Editors wxHexEditor http://wxhexeditor.sourceforge.net Opensource – GPL license Native Win32…
Read More »Configuring Cisco 12SP+/30 VIP phones with Asterisk
This page documents how you configure a Cisco 12SP+/30VIP phone with Asterisk. The Cisco 12SP+/30VIP IP Phones are EOL and they are not supported by Cisco anymore. Cisco states that they do not have any listings for this…
Read More »E1
E1 is a the European equivalent of a T1 but runs at 2.048Mbps and has 32 x 64Kbps channels DS0s where 30 is used for voice and two are used for syncronization and signaling. Alarms that can occur…
Read More »Asterisk bounty symmetic SIP invites
Bounty Paid: 12/8/2004 to Theo Zourzouvillys Originally documented in https://issues.asterisk.org/jira/browse/ASTERISK-2326. Currently if we have Asterisk SIP channel driver binding to all interfaces, and eth0 has many subnets attached to it (a primary 10.1.200.1, and then alias interfaces eth0:1…
Read More »CallXML
The CallXML platform is available exclusively from Voxeo. As a simple markup language with a short learning curve, it suits the needs of most telephony applications that use touchtone input, DTMF. CallXML allows for faster development of IVR…
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