How to know the status of my ip phone to redirect on the answerer?

The busy level is set on the endpoint using the “device_state_busy_at” option. The value is the number of calls at which the device becomes busy.

Maybe I missed something ? I add the parameter “device_state_busy_at=2” to my extension 100 but nothing change.

It’s the same thing when I made a internal call. I try to call the 115 when this extenxion is in communnication with the 100.

 == Setting global variable 'SIPDOMAIN' to ip address
    -- Executing [115@from-internal:1] NoOp("PJSIP/100-00000587", "## Internal Call to the 115 ##") in new stack
    -- Executing [115@from-internal:2] Verbose("PJSIP/100-00000587", "Call start time: 2018-10-08 18:35:56") in new stack
Call start time: 2018-10-08 18:35:56
    -- Executing [115@from-internal:3] Set("PJSIP/100-00000587", "CDR(calldate)=2018-10-08 18:35:56") in new stack
    -- Executing [115@from-internal:4] Set("PJSIP/100-00000587", "CDR(useragent)=Arnold") in new stack
    -- Executing [115@from-internal:5] Set("PJSIP/100-00000587", "NOW=20181008_163556") in new stack
    -- Executing [115@from-internal:6] Set("PJSIP/100-00000587", "REC_FILE_NAME=OUT_20181008_163556_115_.wav") in new stack
    -- Executing [115@from-internal:7] MixMonitor("PJSIP/100-00000587", "OUT_20181008_163556_115_.wav,b V(1)") in new stack
    -- Executing [115@from-internal:8] Dial("PJSIP/100-00000587", "PJSIP/115,20") in new stack
    -- Called PJSIP/115
  == Begin MixMonitor Recording PJSIP/100-00000587
    -- PJSIP/115-00000588 is ringing
    -- PJSIP/115-00000588 is ringing
    -- PJSIP/115-00000588 answered PJSIP/100-00000587
    -- Channel PJSIP/115-00000588 joined 'simple_bridge' basic-bridge <381efc8f-4352-4d15-9c33-0afeaf9f2aa6>
    -- Channel PJSIP/100-00000587 joined 'simple_bridge' basic-bridge <381efc8f-4352-4d15-9c33-0afeaf9f2aa6>
  == Setting global variable 'SIPDOMAIN' to ip address
    -- Executing [115@from-internal:1] NoOp("PJSIP/116-00000589", "## Internal Call to the 115 ##") in new stack
    -- Executing [115@from-internal:2] Verbose("PJSIP/116-00000589", "Call start time: 2018-10-08 18:36:11") in new stack
Call start time: 2018-10-08 18:36:11
    -- Executing [115@from-internal:3] Set("PJSIP/116-00000589", "CDR(calldate)=2018-10-08 18:36:11") in new stack
    -- Executing [115@from-internal:4] Set("PJSIP/116-00000589", "CDR(useragent)=Jane Doe") in new stack
    -- Executing [115@from-internal:5] Set("PJSIP/116-00000589", "NOW=20181008_163611") in new stack
    -- Executing [115@from-internal:6] Set("PJSIP/116-00000589", "REC_FILE_NAME=OUT_20181008_163611_115_.wav") in new stack
    -- Executing [115@from-internal:7] MixMonitor("PJSIP/116-00000589", "OUT_20181008_163611_115_.wav,b V(1)") in new stack
    -- Executing [115@from-internal:8] Dial("PJSIP/116-00000589", "PJSIP/115,20") in new stack
    -- Called PJSIP/115
  == Begin MixMonitor Recording PJSIP/116-00000589
  == Everyone is busy/congested at this time (1:1/0/0)
    -- Executing [115@from-internal:9] VoiceMail("PJSIP/116-00000589", "115,su") in new stack
    -- <PJSIP/116-00000589> Playing 'vm-theperson.ulaw' (language 'fr')
    -- <PJSIP/116-00000589> Playing 'digits/1.ulaw' (language 'fr')
    -- <PJSIP/116-00000589> Playing 'digits/1.ulaw' (language 'fr')
    -- <PJSIP/116-00000589> Playing 'digits/5.ulaw' (language 'fr')
    -- <PJSIP/116-00000589> Playing 'vm-isunavail.ulaw' (language 'fr')