Drops specific frame types in the TX or RX direction on a channel.
exten => 1,1,Set(FRAME_DROP(TX)=DTMF_BEGIN,DTMF_END); drop only DTMF frames towards this channel.
exten => 1,1,Set(FRAME_DROP(TX)=ANSWER); drop only ANSWER CONTROL frames towards this channel.
exten => 1,1,Set(FRAME_DROP(RX)=DTMF_BEGIN,DTMF_END); drop only DTMF frames received on this channel.
direction- List of frame types to be dropped for the specified direction. Direction can be
TXdirection will prevent Asterisk from sending frames to a channel, and the
RXdirection will prevent Asterisk from receiving frames from a channel.
Subsequent calls to this function will replace previous settings, allowing certain frames to be dropped only temporarily, for instance.
Below are the different types of frames that can be dropped. Other actions may need to be taken in conjunction with use of this function: for instance, if you drop ANSWER control frames, you should explicitly use
Progress()for your call or undesired behavior may occur.
The following CONTROL frames can also be dropped:
This documentation was imported from Asterisk Version GIT-16-af17973