| Configuring the Security Features | 2112. Configure and save the following settings:Parameter Description Configuration MethodAbnormal Call Answering Specify the account typefor answering abnormal SIPincoming calls.The supported types are asfollows:• Disabled—reject theabnormal SIP incoming calls.• Account Answer—use theregistered SIP account toanswer the abnormal SIPincoming calls.• IP Call Answer—use IPaddress to answer theabnormal SIP incoming calls.Default: IP Call Answer.Web user interfaceConfiguring the Safe Mode CallThe safe mode call feature is used to verify whether the incoming H.323 call is coming from an H.323endpoint.Procedure1. On your web user interface, go to Setting > Call Features > Safe Mode Call.2. Configure and save the following settings:Parameter Description Configuration MethodSafe Mode Call Enable or disable the safe modecall feature.The supported types are asfollows:• Off—answer incomingH.323 calls directly withoutvalidation.• On—verify whether theincoming H.323 call is comingfrom an H.323 endpoint. If itis, the system will answer it. Ifnot, the incoming call will berejected.Default: Disabled.Web user interfaceSystem Integrated with Control SystemsYealink video conferencing system provides API for third-party control system to integrate with. Therefore,third-party control system can control Yealink video conferencing system via API. This feature is notapplicable to VP59.
