Tag : chan

No valid Transports Available, Falling Back To ‘UDP’

Posted February 12, 2012 by Pavel Espinal & filed under Asterisk Tips Comments: 3.

Tags: asterisk, Available, chan, CoS, David, dutton park, falling back to udp, gladstone road, intergraph corporation, JIRA, Klaverstyn, No valid transports available, regression, sip, transport type, UDP

If after installing Asterisk 10.X.X you see the following errors on SIP reload: No valid Transports Available, Falling Back To UDP, This might be because a possible regression. Please open an issue in JIRA referencing th..

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Starting things off without a Dial Tone

Posted January 16, 2012 by Pavel Espinal & filed under Advanced Dialplan, Asterisk Tips Comments: 0.

Tags: analog phones, astcomments, asterisk, chan, dial tone, dialling tone, extension, handset, handset lifted, sip phone, sound, tone

Is it possible to make Asterisk jump into action and play a sound file as soon as a handset is lifted, instead of providing a Dial Tone and waiting for the user to dial an extension.With analog phones (chan_dahdi) – you just have to set ‘immedi..

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Asterisk Hangs Up Call After 20s

Posted December 22, 2010 by Pavel Espinal & filed under Asterisk Tips Comments: 0.

Tags: angs Up Call After 20s, asterisk, Asterisk Hangs Up, call, chan, critical response, linux, message, nat router, softphones, xlite phone

Sometimes, when using Asterisk server and XLite softphones, if Asterisk and the local XLite phone are located in a LAN behind a NAT router, and the remote XLite phone is located elsewhere on the Net behind its own NAT router, you will notice that w..

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