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chan_dahdi: Allow specifying waitfordialtone per call.

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The existing "waitfordialtone" setting in chan_dahdi.conf
applies permanently to a specific channel, regardless of
how it is being used. This rather restrictively prevents
a system from simultaneously being able to pick free lines
for outgoing calls while also allowing barge-in to a trunk
by some other arrangement.

This allows specifying "waitfordialtone" using the CHANNEL
function for only the next call that will be placed, allowing
significantly more flexibility in the use of trunk interfaces.

Resolves: #472

UserNote: "waitfordialtone" may now be specified for DAHDI
trunk channels on a per-call basis using the CHANNEL function.

(cherry picked from commit 7f51313725)
This commit is contained in:
Naveen Albert
2023-12-02 13:24:20 -05:00
committed by Asterisk Development Team
parent 96a9883722
commit dad0a33e97
2 changed files with 73 additions and 6 deletions
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8
channels/chan_dahdi.h
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@@ -654,6 +654,14 @@ struct dahdi_pvt {
* \note Set from the "waitfordialtone" value read in from chan_dahdi.conf
*/
int waitfordialtone;
/*!
* \brief Transient variable. Same as waitfordialtone, but temporarily set for a specific call, rather than permanently for the channel.
*/
int waitfordialtonetemp;
/*!
* \brief Transient variable. Stored off waitfordialtone duration at runtime.
*/
int waitfordialtoneduration;
/*!
* \brief Number of frames to watch for dialtone in incoming calls
* \note Set from the "dialtone_detect" value read in from chan_dahdi.conf