Not great with these logs but this looks like the related part as CPSarah and CPShylo are two of the user names in that group. I've deleted phone numbers/IPs. Not sure about that part saying cmcauseansweredbyother as the call was not answered.
15:22:53 678432395mS CMCallEvt: 0.32998.0 6461 CPShylo.0: StateChange: END=T CMCSRinging->CMCSConnReq
15:22:53 678432395mS CMCallEvt: 0.32990.0 6461 TargetingEP: RequestEnd 0.32998.0 6461 CPShylo.0
15:22:53 678432396mS CMTARGET: 18.32983.1 6461 SIPTrunk Endpoint: Removed HG from Callinfo
15:22:53 678432396mS CMCallEvt: 0.32986.0 6461 ACDTep(CPOffice): StateChange: END=??? CMCSIdle->CMCSDelete
15:22:53 678432396mS CMCallEvt: 0.32986.0 -1 BaseEP: DELETE CMEndpoint f4acad70 TOTAL NOW=20 CALL_LIST=9
15:22:53 678432397mS CMTARGET: 18.32983.1 6461 SIPTrunk Endpoint: CancelTimer CMTCNoAnswerTimeout
15:22:53 678432397mS CMCallEvt: 0.32990.0 -1 BaseEP: DELETE CMEndpoint f4be88f0 TOTAL NOW=19 CALL_LIST=9
15:22:53 678432399mS CMExtnEvt: CPSarah: CALL LOST (CMCauseAnsweredByOther)
15:22:53 678432399mS CMExtnEvt: CPSarah: Extn(650) Calling Party Number(///) Type(CMNTypeUnknown)
15:22:53 678432399mS CMCallEvt: 0.32994.0 -1 CPSarah.0: StateChange: END=X CMCSRinging->CMCSCompleted
15:22:53 678432399mS CMExtnEvt: v=-1 State, new=PortRecoverDelay old=Ringing,0,0,CPSarah
15:22:53 678432400mS CMExtnTx: v=650, p1=0
CMReleaseComp
Line: type=NoLine 0 Call: lid=0 id=32994 in=0
Called[650] Type=Default (100) Reason=CMDRdirect Calling[///] Type=Unknown Plan=Default
Cause=124, Answered By Other(IPO)
15:22:53 678432400mS CMExtnEvt: CPSarah: CMExtnHandler::SetCurrent( id: 32994->0 )
15:22:53 678432400mS CMCallEvt: 0.32994.0 -1 CPSarah.-1: StateChange: END=X CMCSCompleted->CMCSDelete
15:22:53 678432401mS CMCallEvt: 0.32991.0 6462 GHOST:: StateChange: END=A CMCSRingBack->CMCSCompleted
15:22:53 678432402mS PRN: CDR - TCPSend maxqueuesize=3000 framecount=0 operational=1
15:22:53 678432403mS CMLOGGING: CALL:2015/02/2615:22,00:00:00,000,///,O,///,///,CPSarah,,,0,,""n/a,0
15:22:53 678432404mS CMCallEvt: 0.32991.0 -1 GHOST:: CallLost (Ghost @) cause=CMCauseAnsweredByOther
15:22:53 678432404mS CMCallEvt: 0.32991.0 -1 GHOST:: StateChange: END=X CMCSCompleted->CMCSDelete
15:22:53 678432405mS CMLineTx: v=0
CMReleaseComp
Line: type=SIPLine 18 Call: lid=18 id=32993 in=0
Cause=124, Answered By Other(IPO)