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freeswitch at femur.pl
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mayamatakeshi at gmail...
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 Posted: Wed Oct 20, 2021 8:08 pm Post subject: [Freeswitch-users] Hangup and wait for connection after dial |
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On Wed, Oct 20, 2021 at 11:14 PM Paweł Femur Wojtal <freeswitch@femur.pl (freeswitch@femur.pl)> wrote:
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Hello!
Imagine the situation.
I call internal extension. It is busy. So I press *0 and hangup. When
leg B finishes its connection, freeswitch calls us both and bridges.
How do I get such functionality? I will be grateful for any suggestion.
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Maybe someone knows an easier way but if I needed something like this, I would try:
- send the call to a lua script after the bridge fails due to BUSY (channel variable last_bridge_hangup_cause==USER_BUSY)
- ask the user to confirm if he/she wants to get a callback
- if yes, find the UUID of the extension call. This could be obtained from channel variables (probably originate_signal_bond or originated_legs) if not, I would use Freeswitch.dbh (https://freeswitch.org/confluence/display/FREESWITCH/Lua+API+Reference) to search for the extension that is busy.
- set a hangup hook to be execute when the extension call terminates (https://freeswitch.org/confluence/display/FREESWITCH/api_hangup_hook)
- the hook would be a lua script that would make the callback to you and after answer try to call the extension.
obs:
- if the hangup hook fails to be set, it could be because the call ended while we were doing the processing so I would execute the callback right away).
- in the callback, before calling the extension I would ask for confirmation again as by that time you might not want to call the extension anymore |
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mayamatakeshi at gmail...
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| Posted: Thu Oct 21, 2021 5:45 am Post subject: [Freeswitch-users] Hangup and wait for connection after dial |
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On Thu, Oct 21, 2021 at 10:03 AM mayamatakeshi <mayamatakeshi@gmail.com (mayamatakeshi@gmail.com)> wrote:
| Quote: |
On Wed, Oct 20, 2021 at 11:14 PM Paweł Femur Wojtal <freeswitch@femur.pl (freeswitch@femur.pl)> wrote:
| Quote: |
Hello!
Imagine the situation.
I call internal extension. It is busy. So I press *0 and hangup. When
leg B finishes its connection, freeswitch calls us both and bridges.
How do I get such functionality? I will be grateful for any suggestion.
|
Maybe someone knows an easier way but if I needed something like this, I would try:
- send the call to a lua script after the bridge fails due to BUSY (channel variable last_bridge_hangup_cause==USER_BUSY)
- ask the user to confirm if he/she wants to get a callback
- if yes, find the UUID of the extension call. This could be obtained from channel variables (probably originate_signal_bond or originated_legs) if not, I would use Freeswitch.dbh (https://freeswitch.org/confluence/display/FREESWITCH/Lua+API+Reference) to search for the extension that is busy.
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Sorry, actually, you cannot use the channel variables to find the UUID as they would be for the Leg B you just attempted. You need to find the UUID of the active call that is making the extension B busy.
So you need to use freeswitch.dbh.
| Quote: | - set a hangup hook to be execute when the extension call terminates (https://freeswitch.org/confluence/display/FREESWITCH/api_hangup_hook)
- the hook would be a lua script that would make the callback to you and after answer try to call the extension.
obs:
- if the hangup hook fails to be set, it could be because the call ended while we were doing the processing so I would execute the callback right away).
- in the callback, before calling the extension I would ask for confirmation again as by that time you might not want to call the extension anymore
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