Variable bridge pre execute bleg app
Command or api to be executed on the B leg before bridging the two channels. Useful when originating a call from the event socket, CLI or XML-RPC.
It could for instance be used to do a HTTP GET with a script or mod_http to the IP address of a Snom phone to increase the ringer volume if you need to do a wakeup call.
Can also be used to bind a dtmf to an app on the b leg of a call so that it can survive a transfer.
Note: this is executed AFTER the call is setup but BEFORE the media (audio) is bridged.
<action application="set" data="bridge_pre_execute_bleg_app=bind_meta_app"/> <action application="set" data="bridge_pre_execute_bleg_data=1 a s att_xfer::sofia/profile/destination"/>
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