Features

The Asterisk core provides a set of features that once enabled can be activated through DTMF codes(feature codes)

features.conf

xfersound = beep               ; to indicate an attended transfer is complete
xferfailsound = beeperr        ; to indicate a failed transfer

transferretrysound = "beep"    ; Sound to play when a transferer fails to dial a valid extension.
transferinvalidsound = "beeperr" ; Sound to play when a transferer fails to dial a valid extension and is out of retries.

; One-touch

[featuremap]
blindxfer => #1                ; Blind transfer (T / t)
atxfer => *2                   ; Attended transfer (T / t)

automixmon = *3                    ; X / x

parkcall = #72                    ; K and/or k option

Dial or Queue applications options

Make sure ? in the Dial() or Queue()

automixmon

    X - Allow the calling party to enable recording of the call.
    x - Allow the called party to enable recording of the call.

parkcall

    K - Allow the calling party to enable parking of the call.
    k - Allow the called party to enable parking of the call.
    

Built-in Dynamic Features

Set the parking time of this channel to be 100 seconds if it is parked.

exten => s,1,Set(FEATURE(parkingtime)=100)
    same => n,Dial(SIP/100)
    same => n,Hangup()

Set the DTMF sequence for attended transfer on this channel to *9.

exten => s,1,Set(FEATUREMAP(atxfer)=*9)
    same => n,Dial(SIP/100,,T)
    same => n,Hangup()

boxA*CLI> features show
Builtin Feature           Default Current
---------------           ------- -------
Pickup                    *8      *8
Blind Transfer            #       #
Attended Transfer
One Touch Monitor
Disconnect Call           *       *
Park Call
One Touch MixMonitor

Dynamic Feature           Default Current
---------------           ------- -------
(none)

Feature Groups:
---------------
(none)

boxA*CLI> core reload

       > AutoMixMonitor used to record call. Filename: auto-1440579175-507-508.wav
  == Begin MixMonitor Recording PJSIP/508-00000032

Call Transfers

same = n,Dial(PJSIP/${EXTEN},30,txk)

res_parking.conf

Park Call

features.conf
parkcall = #72                    ; K and/or k option

extensions.conf

same = n,Dial(PJSIP/${EXTEN},30,k)

include => parkedcalls

res_parking.conf

[default]                       
parkext => 700                  ; What extension to dial to park. (optional)

parkpos => 701-720              ; What range of parking spaces to use

context => parkedcalls          ; Which context parked calls and the default park

parkingtime => 45              ; Number of seconds a call can be parked before returning

log

    -- Channel PJSIP/508-00000034 left 'simple_bridge' basic-bridge <7a875563-a98a-42ce-a358-9349827789ef>
    -- Parking 'PJSIP/508-00000034' in 'default' at space 701
    -- Channel PJSIP/508-00000034 joined 'holding_bridge' parking-bridge <b962b7f2-1524-4244-9dfa-8bc8b00f831a>
    -- Started music on hold, class 'default', on channel 'PJSIP/508-00000034'
    -- <PJSIP/507-00000035> Playing 'digits/7.slin' (language 'en')
    -- <PJSIP/507-00000035> Playing 'digits/0.slin' (language 'en')
    -- <PJSIP/507-00000035> Playing 'digits/1.slin' (language 'en')
    -- Channel PJSIP/507-00000035 left 'simple_bridge' basic-bridge <7a875563-a98a-42ce-a358-9349827789ef>
    
    
    
boxA*CLI> parking show default

Parking Lot: default
--------------------------------------------------------------------------
Parking Extension   :  700
Parking Context     :  parkedcalls
Parking Spaces      :  701-720
Parking Time        :  45 sec
Comeback to Origin  :  yes
Comeback Context    :  parkedcallstimeout (comebacktoorigin=yes, not used)
Comeback Dial Time  :  30 sec
MusicOnHold Class   :
Enabled             :  yes
Dynamic             :  no

Parked Calls
------------
  Space               :  701
  Channel             :  PJSIP/508-00000034
  Parker Dial String  :  PJSIP/507

 
 
 
 
 
 
 
# get call
 
boxA*CLI>
    -- Executing [701@internal:1] ParkedCall("PJSIP/509-0000003c", "default,701") in new stack
       > 0x7f067c0155b0 -- Probation passed - setting RTP source address to 192.168.88.171:20000
    -- Channel PJSIP/508-0000003a left 'holding_bridge' parking-bridge <b962b7f2-1524-4244-9dfa-8bc8b00f831a>
    -- Stopped music on hold on PJSIP/508-0000003a
    -- Channel PJSIP/508-0000003a joined 'simple_bridge' basic-bridge <f75cd372-8362-4c2f-b9e4-254a68c547fb>
    -- Channel PJSIP/509-0000003c joined 'simple_bridge' basic-bridge <f75cd372-8362-4c2f-b9e4-254a68c547fb>
       > Bridge f75cd372-8362-4c2f-b9e4-254a68c547fb: switching from simple_bridge technology to native_rtp
 
 
 
ParkedCall

Used to connect to a parked call.
ParkedCall(exten)