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Asterisk Quickstart

10-minute guide to Asterisk Easy tips if you want to get Asterisk up and running on your Linux system within minutes: Download the tarball: Download the Asterisk stable distribution tarball from https://www.voip-info.org/asterisk-mirrors/. Build Asterisk: Unpack the tarball and…

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DSP Group

http://www.dspg.com/ From Website: DSP Group Inc. is a fabless semiconductor company that develops and sells a wide portfolio of System on a chip solutions for portable multimedia (Speech, Music, Video and Still Image), short-range communication (EDCT, DECT, Bluetooth),…

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BYOD

Bring Your Own Device – BYOD The practice of some VOIP Service Providers to allow you to supply your own equipment. Other providers insist on supplying equipment, which usually is hobbled so it only works with one service…

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Asterisk WhoIsIt

Who Is It Facilities to Announce incoming callers over the computer speakers I’ve written a small program to play announcements over the computer’s speakers when a call comes in, based on the CID of the caller. This can…

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Asterisk Manager API Action Redirect

Action: Redirect Synopsis: Redirect (transfer) a call Privilege: call,all Description: Redirect (transfer) a call. Variables: (Names marked with * are required) Channel: Channel to redirect ExtraChannel: Second call leg to transfer (optional) Exten: Extension to transfer to Context:…

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Asterisk Manager API Action IAXpeers

Action: IAXPeers Example (Show the IAX Peers on the server and their status) Name/Username Host Mask Port Status TESTast7 (Unspecified) (D) 255.255.255.255 0 UNKNOWN TESTast6 10.10.10.16 (D) 255.255.255.255 4569 OK (1 ms) TESTast4 10.10.10.14 (D) 255.255.255.255 4569 OK…

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Asterisk tips renumber extens

Adding a new rule in the middle of extensions.conf can be painful if you need to renumber the priorites of things below it. I wrote a little perl script to renumbers the priorities. It looks at rules in…

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Asterisk config codecs.conf

Configuration file for asterisk codecs. Example for Asterisk 1.2: See also bug/patch 2536 [speex] ;0-10 quality => 3 ;0-10 complexity => 4 ; true / false enhancement => true ; true / false vad => false ; true…

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VOIP Payphones

This page now has VoIP Payphones from several vendors. I have no experience with any of these companies, nor their products. They are just the result of my search for a VoIP payphone. Vector Technology Corp. Provider of…

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Freebusy

Freebusy Concept, check an Microsoft Exchange server for freebusy information against a calendar. This could be used for both user calendars – to send straight to voicemail (auto do-not-disturb) or for resource scheduling – such as maintaining a…

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Asterisk x100p echotraining

Echo Cancellation on the Wildcard X100P If you are experiencing echo on the Digium Wildcard X100P, you can configure the Zap Channel Module to do echo cancellation training. Use the echotraining option in the Zap Channel Module’s configuration…

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Asterisk Tips IVR Menu

Implementing a Simple ‘Push-1, Push-2’ Menu Structure The key to creating this menu is to create an Extension (defined as 205 below) to record your menu prompts. This will put the sound file in /tmp/asterisk-recording.gsm. You’ll have to…

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RTP

RTP opens two ports for communication. One for the media stream (an even port number) and one for control (QoS feedback and media control) – RTCP. The port numbers are not hard defined, it depends very much upon…

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Asterisk Letting SIP clients connect directly

Asterisk by default connects all media streams through asterisk to be able to connect various protocols and media to each other. If you have two SIP phones, the media path can be connected directly between the phones without…

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Asterisk Understanding the source code

When studying the Asterisk source code the following suggestions may prove useful: Running CTAGS on the Asterisk source code then loading the Asterisk source code into an editor that supports CTAGS will create an environment where you can…

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