just to let you know, follows the trace of the connection via SCN:
87835981mS PRN: 5614: Digit Pressed 4
87835982mS CMExtnRx: v=5614, p1=0
CMInformation
Line: type=DigitalExtn 3 Call: lid=0 id=2825 in=0
Called[4] Type=Default (100) Reason=CMDRdirect
87835982mS CMTARGET: 0.2825.0 590 Adriano.0: CancelTimer CMTCDelayedProcessing
87835982mS CMTARGET: 0.2825.0 590 Adriano.0: LOOKUP CALL ROUTE: type=100 called_party=2214 sub= calling=5614 dir=out complete=0 ses=0
87835983mS CMTARGET: 0.2825.0 590 Adriano.0: ADD TARGET (N): number=2214 type=100 depth=1 nobar=1 setorig=1 ses=0
87835983mS CMTARGET: 0.2825.0 590 Adriano.0: SET USER: Fabio Marques orig=1
87835983mS CMTARGET: 0.2825.0 590 Adriano.0: ADD USER: Fabio Marques depth=1 disallow_cw=0 dnd=0 real_call=1 group_call=0 type(CMNTypeDefault) incl(0x0) excpt(0x0), allow_redir(0) remote=c0a801e6
87835983mS CMTARGET: 0.2825.0 590 Adriano.0: Direct to Remote Target: Fabio Marques
87835984mS CMTARGET: 0.2825.0 590 Adriano.0: Targeted Failed, used local targeting: Fabio Marques
87835984mS CMTARGET: 0.2825.0 590 Adriano.0: CancelTimer CMTCDialToneTimeout
87835984mS CMTARGET: 0.2825.0 590 Adriano.0: NO INITIAL TARGETS: Fabio Marques
87835984mS CMTARGET: 0.2825.0 590 Adriano.0: ADD USER: Fabio Marques depth=1 disallow_cw=0 dnd=0 real_call=1 group_call=0 type(CMNTypeDefault) incl(0x0) excpt(0x0), allow_redir(1) remote=c0a801e6
87835984mS CMTARGET: 0.2825.0 590 Adriano.0: Direct to Remote Target: Fabio Marques
87835985mS CMTARGET: 0.2825.0 590 Adriano.0: Targeted Failed, used local targeting: Fabio Marques
87835985mS CMTARGET: 0.2825.0 590 Adriano.0: SELECT: TRY VOICEMAIL orig_hg() orig_user(2214)
87835985mS CMTARGET: 0.2825.0 590 Adriano.0: Fallback() targeting failed
87835986mS PRN: CDR - TCPSend maxqueuesize=500 operational=1
87835987mS CMLOGGING: CALL:2013/04/1017:10,00:00:00,000,5614,O,2214,2214,Adriano,,,1,,""n/a,0
87835988mS CD: CALL: 0.2825.0 BState=Idle Cut=0 Music=0.0 Aend="Adriano(5614)" (2.9) Bend="Fabio Marques(2214)" [] (0.0) CalledNum=2214 (Fabio Marques) CallingNum=5614 (Adriano) Internal=1 Time=1468 AState=Dialling
87835988mS CD: CALL: 0.2825.0 Deleted
87835988mS CMExtnEvt: Adriano: CALL LOST (CMCauseBusy)
87835988mS CMExtnEvt: Adriano: Extn(5614) Calling Party Number(5614) Type(CMNTypeInternal)
87835989mS CMCallEvt: 0.2825.0 -1 Adriano.0: StateChange: END=X CMCSDialling->CMCSCompletedTone
87835989mS CMExtnEvt: v=3 State, new=CMESCompleted old=Dialling,0,0,Adriano
87835990mS CMCallEvt: 0.2826.0 -1 BaseEP: DELETE CMEndpoint f51c1be8 TOTAL NOW=5 CALL_LIST=2
87835990mS CMCallEvt: END CALL:590 (f51845b4)
tks!