Value Range • Yes• NoDefault Value NoConfiguration File Reference SIP_TRUNK_MODE_ENABLE (Page 202)Enable Non-Registering SIP UADescription Specifies whether to enable or disable SIP UA registration.Note• This setting is available only when [Enable SIP TrunkService] is set to [Yes].Value Range • Yes (Enable to work without registering SIP)• NoDefault Value NoConfiguration File Reference SIP_NON_REGISTER_ENABLE (Page 202)Send RTP on Call HoldDescription Specifies whether to enable or disable the continuous sending of RTPpackets while a call is on hold.Note• This setting is available only when [Enable SIP TrunkService] is set to [Yes].Value Range • Yes• NoDefault Value NoConfiguration File Reference RTP_KEEP_ENABLE (Page 202)4.4.2 Language SettingsThis screen allows you to select the language used for the Web user interface. The language setting is onlyapplicable when you log in to the Web user interface as User.Note• If you change the language while logged in to the Web user interface with the User account, thelanguage will be changed after the message "Complete" is displayed. If you are logged in with theAdministrator account, the language will be changed when a user logs in to the Web user interface asUser.• The language used for the Web user interface for the Administrator account is always English.112 Administrator Guide Document Version 2017-074.4.2 Language Settings