| Configuring Account Settings | 73Parameter Description Configuration MethodRestricted Single Packet Mode Enable or disable the restrictedsingle packet mode.• Off—sends data packets byusing multiple packets mode.• On—sends data packets byusing single packet mode.Note: the default value is Off.Some third-party devices onlyaccept the data packets sent bysingle packet mode. If localsystem sends data packets byusing multiple packets mode,the video call may appearthe mosaic phenomenon. Toavoid this situation, enablethis Restricted Single PacketMode.If you change this parameter, thesystem will reboot to make thechange take effect.Web user interfaceConfiguring Account SettingsThis chapter provides information on how to configure account settings.• Configuring SIP Settings• Configuring H.323 Settings• Configuring PSTN• Configuring the Video Conference Platform• Configuring the Third-party Virtual Meeting RoomConfiguring SIP SettingsYealink video conferencing system supports Session Initiation Protocol (SIP). If your server supports SIP, you can useSIP to establish calls.• Configuring SIP Accounts• Configuring SIP IP CallConfiguring SIP AccountsYealink video conferencing system supports Session Initiation Protocol (SIP). If your server supports SIP, you canconfigure a SIP account for your device, and other users can call you by dialing your SIP account.Procedure1. Do one of the following:• On your web user interface, go to Account > SIP Account.