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Tail Messages

Tail messages are short audio files that are periodically played when a user un-keys (at the "tail" of their transmission). Tail messages can be "squashed" if a user keys up over them. There are two methods that can be configured to setup the playing of tail messages, as shown below.

Standard Tail Message Configuration

tailmessagelist=

Found in rpt.conf

Alternate Tail Message Configuration

An extension TAIL can be added to the extensions.conf file under the context [telemetry] or the context defined in telemetry parameter found in rpt.conf. This allows full control of messages via the dialplan.

Note

If the TAIL extension exists, values in tailmessagelist are ignored.

Note

[globals] context and global variables are required to "remember" values across dialplan executions.

Sample #1 - perform same rotating message list as "standard" 

[globals]
TAILFILEINDEX=0

[telemetry]
exten => TAIL,1,Set(TAILFILES=custom/yourtailmsg,/tmp/yourothertailmsg) ; add , separated tail files to play
    same => n,Set(index=$[${GLOBAL(TAILFILEINDEX)} % ${FIELDQTY(TAILFILES,\,)} + 1])
    same => n,Set(file=${CUT(TAILFILES,\,,${index})})
    same => n,Playback(${file})
    same => n,Set(GLOBAL(TAILFILEINDEX)=$[${TAILFILEINDEX} + 1]) 
    same => n,Hangup()

Sample #2 - rotating message + weather and traffic 

[globals]
TAILFILEINDEX=0

[telemetry]
; Say message file
exten => TAIL,1,Set(TAILFILES=custom/yourtailmsg,/tmp/yourothertailmsg) ; add , separated tail files to play
    same => n,Set(index=$[${GLOBAL(TAILFILEINDEX)} % ${FIELDQTY(TAILFILES,\,)} + 1])
    same => n,Set(file=${CUT(TAILFILES,\,,${index})})
    same => n,Playback(${file})
    ;after playing the tail message, play a weather announcement
    same => n,Playback(/tmp/current-weather)
    ;after playing the weather announcement, play a traffic announcement
    same => n,Playback(/tmp/current-traffic)
    same => n,Set(GLOBAL(TAILFILEINDEX)=$[${TAILFILEINDEX} + 1]) 
    same => n,Hangup()

Options Common to Both Tail Message Methods

Note

"File Extensions"
ID recording files must have extension .gsm, .ulaw, .pcm, or .wav. The extension is left off when it is defined as the example shows above. File extensions are used by Asterisk to determine how to decode the file. All ID recording files should be sampled at 8KHz mono.

See the Sound Files page for more information.

tailmessagetime=

Found in rpt.conf

tailsquashedtime=

Found in rpt.conf

telemetry=

Found in rpt.conf