• 14.1.2 Quick SetupUpdated for the latest software version• 16.1.2 SIP (Session Initiation Protocol) Extension• 16.1.9 SVM (Simplified Voice Message)• 21.1 Capacity of System Resources• 21.2 Tones/Ring TonesTone (for Music on Hold) deleted21.4.17 KX-TDE600 PGMPR Software File Version 4.1xxxNew Contents• 3.1.11 Call TransferTransfer to Busy Extension using Queuing (Camp-on Transfer)• 3.1.20 Conference Group Call• 6.1.6 FWD (Call Forwarding)Parallel Ringing When Forwarding to CO Line• 8.1.1 Hands-free AnswerbackClass of Service (COS) with Hands-free Answerback• 13.1.25 Private Network Features—QSIG—Enhanced Features• 13.1.26 Private Network Features—VoIP (Voice over Internet Protocol)Automatic Rerouting of VoIP Calls to Public CO lines using ARSChanged Contents• 13.1.16 Private Network Features—Centralized Voice MailVoice Mail (VM) Transfer button support for remote VPSs added• 13.1.18 Private Network Features—Network ICD GroupUCD and Hunt call distribution support added• 19.1.4 Voice Mail DPT (Digital) IntegrationVoice Mail (VM) Transfer button features21.4.18 KX-TDE600 PGMPR Software File Version 4.2xxxNew Contents• 13.1.28 PS—CO Status Display (KX-WT125/KX-WT126 only)412 Feature Manual Document Version 2013-0521.4.18 KX-TDE600 PGMPR Software File Version 4.2xxx