General System Description

General features:

- User desktop creation/deletion;

- Third-party applications installation;

- Flexible desktop configuration: adjusting the number of icons on the desktop (2х2/3х2/4х2); adding/deleting app icons;

- Availability of navigation bar for quick access to some system functions;

- 3 sound modes:

• • Normal - all sounds are turned on.

  • Mute - all sounds except alarm are muted, but incoming calls are displayed on the screen.

  • Do not disturb - all sounds except alarm are muted and incoming calls are not displayed on the screen.  

- Missed call quantity displaying on the main screen; 

- Date and time displaying on the main screen;

- Automatic synchronization of date and time with data with NTP server;

- Weather displaying on the screen;

- Automatic weather detection by IP address (if you have Internet access) or entered location;

- Availability of built-in browser for quick access to user links;

- Ability to manage two locks (with SH-42 module);

- Ad demonstration during standby mode;

- 3 variations for screensaver during standby mode: clock, photo frame, IP camera (1-cam, Tour, Quad splitter);

- User photos displaying during standby mode (photo frame feature); 

- Ability to use widgets of third-party apps;

- Notifications about new software updates;

- Fast and regular software updates from BAS-IP server;

- Ability to update the software manually, from a SD card, or via the web interface;

- Ability to update software from a custom server;

- Backup of photos taken during a call to SD card and its further watching at the monitor;

- Ability to export system logs;

- Availability of open API; 

- WiFi support; 

Communication:

- Two-way audio communication with echo cancellation between devices;

- One-way video communication while a call from panel to monitor or vice versa;

- Making calls to other monitors, entrance panels, or personal devices via multicast, P2P, SIP;

- Making calls to concierge or assigned number via SIP or P2P;

- Making calls to one concierge or some concierges located in the same network;

- Forwarding calls from the monitor to other devices (up to 4); 

- Watching video from the panel before answering a call;

- Declining an incoming call without answering;

- Answering an incoming call/ending a conversation;

- Ability of automatic reception of all incoming calls or calls from concrete contact;

- Availability of answerphone (If there is no answer within 30 seconds, the monitor will start recording a video and audio message from the visitor); 

- Photo and video recording during a conversation;

- Automatic call recording;

- Lock opening during a conversation;

- Ability of the automatic end of a call after opening a lock; 

- Availability of call history with detailed information about the date, caller, and call duration;

- Partial or complete deletion of records from the call history;

- Adding up to 10 000 contacts with inner or SIP numbers of an entrance panel, concierge, or any other device;

- Ability to mark a contact as a favorite, and it will be displayed at the beginning of the list;

- Ability to add contacts to a black list;

- Ability to import/export contact list;

- Watching videos from entrance panels at the Monitoring menu; 

- Ability to mark an entrance panel as default, so this panel will be displayed as first while opening the Monitoring menu;

- Receiving newsletters or surveys from the concierge or management organization;

- Sending additional notifications or making calls to one or some SIP numbers if the alarm sensor is triggered;

- Sending notifications to the SIP number about each sensor state; 

Security:

- Ability to connect 4, 8 (depends on device model) or 16 sensors (with additional SH-16 module) to the monitor;

- Ability to connect a siren or light bulb to the alarm loop (It will be active if the alarm sensors are triggered);     

- The setting of sensor working type (Normal, Emergency, 24 hours), mode (Trigger, NO, NC, Bell), the delay time before the sensor is triggered, a name for each sensor;   

- User-configurable 3 security scenes (Out, Home, Sleep) and delay time before a scene activation;

- Ability to add RTSP streams (up to 32) for IP cameras video displaying at а monitor during a call or at a special menu;

- Ability to choose IP camera as default and it will be displayed the first when opening a special menu for watching;

- Video recording from the desired IP camera (up to 4) when the motion sensor is triggered;

- 3 configurable variations of selected IP cameras display during standby: single, quad splitter (simultaneous 4 cameras display at one screen), tour (one by one cameras display);

- Protection of unauthorized door opening from the monitor by entering a password; 

Settings:

- Ability to connect a doorbell to the monitor;

- Screen brightness adjustment;

- The volume of the incoming call adjustment; 

- Ability to turn on/off the camera (depends on model); 

- Volume adjustment and turning on/off the microphone while conversation;

- Ability to change DTMF symbols by pressing which the lock will open;

- Ability to get network settings automatically (DHCP)/set manually; 

- Ability to change user and admin passwords;

- Ability to customize the ringtone for incoming calls;

- Ability to change and set custom wallpaper on your desktop;

- Adjustment of standby mode time activation;

- Home automation services setting;

- Setting the units of measure for the weather widget;

- Ability to access system settings (for admin only);

- Setting the operating time of Mute and Do not disturb modes for automatic activation;

- Ability to use custom NTP server for date and time synchronization;

- Ability to set date and time manually;

- Ability to change the logo displayed on a monitor screen;

- Ability to set the interval for notifications about each sensor state;

- Ability to backup device settings;

- Ability to restore devise settings from uploaded backup; 

Integration with Intercom application:

- Video calls from a monitor to a mobile device or vice versa;  

- Ability to take photos on a mobile device during a call;  

- Forwarding calls from the monitor to the mobile device; 

- Making calls to the assigned concierge number from a mobile device;

- Ability to add IP cameras to the app using Onif or RTSP;

- Ability to watch video from added IP cameras;

- Ability to add contacts for quick calls; 

Integration with Link software:

- Ability to control and manage all monitors at one or several residential areas/offices;

- Device status control (monitor will send its activity status to the server);

- Device management: monitor search in a system, adding to a residential area/office group, remote pre-configuration, remote update, and settings backup;

- Ability to send newsletters or surveys to a selected group of monitors, configure time and rules of sending; 

- Ability to configure forwarding of calls from monitor to other devices;

- Availability of a list with information about calls done from the monitor (virtual numbers, call duration, and statuses); 

Integration with Link application:

- Connection with monitors of a building that were previously added to the Link server; 

- Ability to make audio/video calls to all added to Link devices;

- Availability of all incoming/outcoming calls history with photos taken during a conversation of more than 3 seconds;

General features:

- 2 sound modes:

• • Normal - all sounds are turned on.

  • Do not disturb -  all sounds except alarm are muted and incoming calls are not displayed on the screen.  

- Missed call quantity displaying on the main screen; 

- Date and time displaying on the main screen;

- Automatic synchronization of date and time with NTP server;

- Ability to manage two locks (with SH-42 module);

- Fast and regular software updates from BAS-IP server;

- Ability to update the software manually via the web interface;

- Ability to update software from a custom server;

- Availability of open API; 

Communication:

- Two-way audio communication with echo cancellation between devices;

- One-way video communication while a call from panel to monitor or vice versa;

- Making calls to other monitors, entrance panels, or personal devices via multicast, P2P, SIP;

- Making calls to assigned concierge number via SIP or P2P;

- Making calls to some concierges located in the same network;

- Forwarding calls from the monitor to other devices (up to 4); 

- Receiving video from the panel before answering a call;

- Declining an incoming call without answering;

- Automatic reception of all incoming calls;

- Answering an incoming call/ending a conversation;

- Lock opening while incoming call or conversation;

- Ability of the automatic end of a call after opening a lock; 

- Availability of call history with detailed information about the date, caller, and call duration;

- Partial or complete deletion of records from the call history;

- Adding via the web interface up to 300 contacts with inner or SIP numbers of an entrance panel, concierge, or any other device;

- Ability to import and export contact list;

- Ability to turn on/off automatic reception of all incoming calls for concrete contact;

- Ability to add concrete contact to the ban list;

- Ability to mark a contact as a favorite, and it will be displayed at the beginning of the list;

- Watching videos from entrance panels; 

- Ability to mark an entrance panel as default, so this panel will be displayed as first while opening the Panels menu;

- Receiving newsletters from the concierge or management organization (messages are sent with the help of Link software);

- Sending information to the server with Link software about device state; 

Security:

- Ability to connect 4, 8 (depends on device model) or 16 sensors (with additional SH-16 module) to the monitor;

- Ability to connect siren or light bulb to the alarm loop, so it will be active if the alarm sensors are triggered;     

- The setting of sensor working type (Normal, Emergency, 24 hours), mode (Trigger, NO, NC, Bell, SOS Call), the delay time before the sensor is triggered, a name for each sensor;   

- User-configurable 3 security scenes (Out, Home, Sleep) and delay time before a scene activation;

- Ability to add RTSP streams (up to 10) for IP cameras video displaying at а monitor during a call or at a special menu;

- 2 configurable variations of selected IP cameras display during standby: IP Cam single or IP Cam tour (one by one cameras display);

- Making SOS calls to indicated numbers or concierge (up to 8) via SIP or P2P;

- Taking a photo of a caller in some seconds after answer; 

Settings:

- Ability to connect a doorbell to the monitor;

- The volume of the incoming call adjustment; 

- Adjustment of speaker volume during a conversation;

- Turning on/off the microphone while conversation;

- Ability to change DTMF symbols by pressing which the lock will open;

- Automatic receipt of network settings (DHCP) feature; 

- Ability to change admin and administrator passwords;

- Ability to access system settings (for administrators only);

- Setting the operating time of Do not disturb mode for automatic activation;

- Ability to use custom NTP server for date and time synchronization;

- Ability to set date and time manually;

- Ability to reset a device to default settings;

- Ability to restore devise settings from uploaded backup; 

Integration with Intercom application:

- Video calls from a monitor to a mobile device or vice versa;  

- Ability to take photos on a mobile device during a call;  

- Forwarding calls from the monitor to the mobile device; 

- Making calls to the assigned concierge number from a mobile device;

- Ability to add IP cameras to the app using Onif or RTSP;

- Ability to watch video from added IP cameras;

- Ability to add contacts for quick calls; 

Integration with Link software:

- Ability to control and manage all monitors at one or several residential areas/offices;

- Device status control (monitor will send its activity status to the server);

- Device management: monitor search in a system, adding to a residential area/office group, remote pre-configuration, remote update, and settings backup;

- Ability to send newsletters or surveys to a selected group of monitors, configure time and rules of sending; 

- Ability to configure forwarding of calls from monitor to other devices;

- Availability of a list with information about calls done from the monitor (virtual numbers, call duration, and statuses); 

Integration with Link application:

- Connection with monitors of a building that were previously added to the Link server; 

- Ability to make audio/video calls to all added to Link devices;

- Availability of all incoming/outcoming calls history with photos taken during a conversation more than 3 seconds;

General features: 

- The indicator changes color depending on the mode and functions;

- 2  sound modes:

• • Normal - all sounds are turned on.

  • Mute - all sounds and incoming calls except the alarm are muted, indicator continues to work.

- Ability to update software from an SD card or via the web interface;

- Ability to update software from a custom server;

- Availability of open API;

Communication:

- Two-way audio communication with echo cancellation between devices;

- Making calls to one or some assigned number via SIP or P2P by pressing buttons;

- Making calls to one concierge or some concierges located in the same network;

- Forwarding calls from the monitor to other devices (up to 4); 

- Answering an incoming call/ending a conversation;

- Declining a call without answering it;

- Lock opening while incoming call or conversation;

- Ability of the automatic end of a call after opening a lock;

- Sending messages to the server with Link software about device state;

Security: 

- Ability to connect 4 or 16 sensors (with an additional SH-16 module) to the monitor;

- Ability to connect siren or light bulb to the alarm loop, so it will be active if the alarm sensors are triggered;   

- The setting of sensor working type (Normal, Emergency, 24 hours), mode (Trigger, NO, NC, Bell, Call), the delay time before the sensor is triggered, a name for each sensor;   

- User-configurable 3 security scenes (Out, Home, Sleep) and delay time before a scene activation;

- Making SOS calls to concierge via SIP or P2P;

- Making сalls to the indicated security number;

Settings:

- Ability to connect a doorbell to the monitor;

- General volume adjustment (6 levels); 

- Volume adjustment and turning on/off the microphone while conversation;

- Ability to change DTMF symbols by pressing which the lock will open;

- Automatic receipt of network settings (DHCP) feature; 

- Ability to change admin passwords;

- Setting the operating time of Do not disturb mode for automatic activation;

- Ability to use custom NTP server for date and time synchronization;

- Ability to reset a device to default settings; 

- Getting settings from Link software;

- Ability to restore devise settings from uploaded backup; 

Integration with Intercom application:

- Audio calls from SP-03 to a mobile device or vice versa;  

- Forwarding calls from SP-03 to a mobile device; 

- Making calls to the assigned concierge number from a mobile device;

- Ability to add IP cameras to the app using Onif or RTSP;

- Ability to watch video from added IP cameras;

- Ability to add contacts for quick calls; 

Integration with Link software:

- Ability to control and manage all devices at one or several residential areas/offices;

- Device status control (SP-03 will send its activity status to the server);

- Device pre-configuration at the Link software and its implementation to devices for quick setting;

- Device management: device search in a system, addition to a residential area/office group, remote pre-configuration, remote update, and settings backup;

- Ability to configure forwarding of calls from SP-03 to other devices;

- Availability of a list with information about calls done from a device (virtual numbers, call duration, and statuses); 

- Ability to turn on/off playing of sound (uploaded to the server) on SP-03 (for example, emergency siren);

Integration with Link application:

- Connection with all devices of a building that were previously added to the Link server; 

- Ability to make audio calls to all added to Link devices;

- Availability of all incoming/outcoming calls history with photos taken during a conversation more than 3 seconds;

General features:

- Ability to connect electromagnetic or electromechanical lock;

- Ability to manage two locks (with SH-42 module);

- Ability to connect exit button; 

- Integration with other ACS: availability of WIEGAND-26, 32, 34, 37, 40, 42, 56, 58, 64 bit output; 

- Availability of proximity sensor: a panel detects motion nearby and activates the panel screen;  

- Availability of backlight for camera and buttons when it gets dark;   

- 3 working modes (Unit, Wall, Apartment) that differ in the amount of entered numbers during a call;  

- Date, time, and weather display on the main screen (for AA-14FB);

- Ability to connect temperature sensor: object or person temperature will be shown on the screen during a call from the panel;

- Creation forwarding queues, up to 8 numbers in a queue; 

- Announcement demonstration during standby mode;

- Sending emails to the specified address with information about denied accesses, their reasons, ways of door unlock, incoming and outgoing calls, errors, device state, and loss of SIP registration;

- Sending photos to the server in case of access is denied, door unlock, incoming and outgoing calls, attempts to enter device settings;

- Availability of system logs list;

- Ability to export system logs;

- Ability to import/export data about flats, forwarding settings, identifiers, and access restrictions; 

- Fast and regular software updates from BAS-IP server;

- Ability to update the software manually via the web interface;

- Ability to update software from a custom server;  

- Availability of open API;

Communication:

- Two-way audio communication with echo cancellation between devices;

- One-way video communication while a call from panel to monitor or vice versa;

- Making calls to monitors or personal devices via multicast, P2P, SIP;

- Quick call to concierge by pressing the button; 

- Ability to create an address book with information about residents, attached identifiers and access codes for each flat/office, amount of created forwards; 

- Ability to create forwarding queues for each flat/office;

- Ability to use an address book for a quick call to flats or offices;

Security:

- Broadcast of an image from panel camera to monitors, concierge terminals, or user devices;

- Ability to transfer RTSP stream from panel camera to an NVR;

- Ability to add RTSP streams (up to 4) for IP cameras video displaying at a monitor while conversation; 

- Ability to use a common master code to open the lock;

- Several ways for lock opening: via an indoor video entry phone (monitor), concierge terminal, the BAS-IP Intercom app, the BAS-IP UKEY app, access card, code, face recognition identification, web interface, QR code, guest URL, license plate number;

- Availability of multi-factor authentication; 

- Availability of UKEY controller: reads EM-Marin/MIFARE®/NFC/Bluetooth identifiers;

- Adding identifiers via the graphical interface; 

- Remote adding/deleting/editing of identifiers via the web interface;

- Access restrictions creation: setting the time and days when the specific identifier will work;

- Free access: ability to set the period for free access to the building by pressing the button;

- Access restrictions, limitation of validity, and the number of passes can be applied to any identifier;

- Ability to connect door sensor: if the door is open for a specified period, a panel will send an alarm message to a concierge or other indicated person and system logs;

- Availability of device protection from opening a lid or attempting to unfasten the device from the surface;

- Availability of log with information about all events and actions with a panel (e.g. numbers of calls, devices that were used to open the lock);

- Availability of Help station and Rescue service features for emergency calls to a specified number (for AV-04AFD only);

Settings: 

- Setting the delay time for opening electromagnetic and electromechanical locks (with SH-40 module);

- Automatic receipt of network settings (DHCP) feature;

- Ability to set up a time during which a lock will be open;

- Automatic synchronization of date and time with NTP server;

- Ability to use custom NTP server for date and time synchronization;

- Ability to set date and time manually;

- Ability to set up an amount of dialed numbers at a panel during a call;

- Ability to turn on/off auto call after indicated amount of dialed numbers;  

- Ability to indicate the concrete number for concierge calls via SIP or P2P;

- Talk time setting;

- Call time setting;

- Ability to choose video quantity (640x480; 1280x720; 1920x1080);

- Ability to indicate RTP data profile;

- Panel volume adjustment; 

- Screen brightness adjustment;

- Ability to turn on/off displaying of address book at an entrance panel;

- Ability to choose receiving Wiegand type; 

- Ability to set identifier representation type (Decimal or HEX);

- Ability to use a custom server to manage access;

- Ability to choose forwardings to one device by one or to all devices at once;

- Ability to change and set custom wallpaper;

- Ability to set the time of announcement demonstration during standby mode; 

- Customization of a message at the main screen, during a call, when the door is unlocked, for errors;

- Customization of a sound for pressing buttons, dialing numbers, during a call, door unlocking, for errors or emergencies;

- Ability to change admin password;

- Ability to restore devise settings from uploaded backup; 

- Ability to reset a device to default settings;

Integration with Intercom application:

- Video calls from a panel to a mobile device or vice versa;  

- Ability to take photos on a mobile device during a call;  

- Ability to forward calls to a mobile device; 

- Making calls to the assigned concierge number from a mobile device;

- Ability to add IP cameras to the app using Onif or RTSP;

- Ability to watch video from added IP cameras;

- Ability to add contacts for quick calls; 

- Ability to open lock/locks from a mobile device; 

Integration with Link software:

- Ability to control and manage all panels at one or several residential areas/offices;

- Device status control (panel will send its activity status to the server);

- Device management: panel search in a system, adding to a residential area/office group, remote pre-configuration, remote update, and settings backup;

- Ability to add all residents and their identifiers;

- Providing guest access to the building: guest URL generating, access code setting, QR codes generating;

- Ability to add photos to the panel memory for Face recognition;

- Creation of access restrictions for one devices group and copying it to others; 

- Availability of all events log from devices: IDs bringing, codes entered, unlocking from a called device, call records, alarms, and all the actions in the system, etc.;

- Ability to export event log from the concrete panel; 

- Ability to configure forwarding of calls from panel to other devices;

- Availability of a list with information about calls done from the panel (virtual numbers, call duration, and statuses); 

Integration with Link application:

- Connection with entrance panels of a building that were previously added to the Link server; 

- Ability to make calls to all added to Link devices;

- Ability to watch real-time video from added to Link entrance panels; 

- Ability to open a lock from the app;

- Ability of the automatic end of a call after opening a lock; 

- Ability to create identifiers (QR code, Access code, URL) for guests or сourier;

- Ability to create access rules for given identifiers (date/time of identifier working start/end, amount of passes, device for access of identifier); 

- Availability of all given identifiers history;   

- Availability of all incoming/outcoming calls history with photos taken during a conversation more than 3 seconds;

Integration with BAS-IP UKEY application: 

- Ability to use smartphone as a digital identifier (with the help of Bluetooth Low Energy technology);

- Ability to get digital identifier remotely (via e-mail, Viber, Messenger, Telegram, printed QR code) 

- Ability to open a door by pressing the application button;

- Ability to open a door by unlocking a smartphone;

Integration with BAS-IP UKEY Config application: 

- Ability to configure multi-format reader;

- Ability to set types of identifiers for reading (ASK, FSK, Mifare, Bluetooth, Inner Range);

- Ability to change a type of output interface (Wiegand Auto; Wiegand 26-64 bit; Touch Memory; RS 232);

- Ability to encrypt or diversify MIFARE identifiers for safety improvements;

- Ability to choose and configure MIFARE profiles;

- Ability to configure indication process (duration, marks for card reading, and standby mode);

- Ability to set distance for reading a card; 

- Ability to update device firmware;  

- Ability to save settings from one device and copy them to others;

- Ability to restore settings from backup copy;

General features:

- Ability to connect electromagnetic or electromechanical lock;

- Ability to manage two locks (with SH-42 module);

- Ability to connect exit button; 

- Integration with other ACS: availability of WIEGAND-26, 32, 34, 37, 40, 42, 56, 58, 64 bit output;    

- Remote adding/deleting/editing of identifiers via the web interface;

- Availability of logs with information about all events and actions with a panel (e.g. numbers of calls, devices that were used to open the lock);

- Ability to import/export data about flats, forwarding settings, identifiers, and access restrictions; 

- Fast and regular software update from BAS-IP server;

- Ability to update the software manually via the web interface;

- Ability to update software from a custom server;

- 3 working modes (Unit, Wall, Personal) that depend on device location and amount of entered numbers during a call;

- Availability of open API; 

Security:

- Several ways for lock opening: via an indoor video entry phone (monitor), concierge terminal, the BAS-IP Intercom app, the BAS-IP UKEY app, access card, web interface, guest URL;

- Availability of UKEY controller: reads EM-Marin/MIFARE®/NFC/Bluetooth identifiers;

- Access restrictions creation: setting the time and days or number of passes when the specific identifier will work;

- Access restrictions, limitation of validity, and the number of passes can be applied to any identifier; 

- Server access control: device sends identifiers to a server that decides whether allow access or not;

- Ability to connect door sensor: if the door is open for a specified period, a panel will send an alarm message to a concierge or other indicated person and system logs;

- Availability of monitor security mode;

Settings:

- Setting the delay time for opening electromagnetic and electromechanical locks (with SH-40 module);

- Automatic receipt of network settings (DHCP) feature;

- Automatic synchronization of date and time with data on the server;

- Ability to use custom NTP server for date and time synchronization;

- Ability to set a timezone manually;

- Availability of relay settings;

- Volume adjustment; 

- Ability to choose receiving Wiegand type; 

- Ability to set identifier representation type (Decimal or HEX);

- Ability to use a custom server to manage access;

- Ability to change admin password;

- Ability to restore devise settings from uploaded backup; 

- Ability to reset a device to default settings;

Integration with Link software:

- Device status control (panel will send its activity status to the server);

- Device management: search in a system, adding to a residential area/office group, remote pre-configuration, remote update, and settings backup;

- Ability to add all residents and their identifiers;

- Providing guest access to the building: guest URL generating, access code setting, QR codes generating;

- Ability to add photos to the panel memory for Face recognition;

- Creation of access restrictions for one devices group and copying it to others; 

- Availability of all events log from devices: IDs bringing, codes entered, unlocking from a called device, call records, alarms, and all the actions in the system, etc.;

- Ability to export event log from a concrete panel; 

- Availability of a list of all events that users made at the Link server;

- Ability to configure forwarding of calls from panel to other devices;

- Availability of a list with information about calls done from the panel (virtual numbers, call duration, and statuses); 

Integration with Link application:

- Connection with panels of a building that were previously added to the Link server; 

- Ability to make calls to all added to Link devices;

- Ability to watch real-time video from added to Link entrance panels; 

- Ability to open a lock from the app;

- Ability of the automatic end of a call after opening a lock; 

- Ability to create identifiers (QR code, Access code, URL) for guests or сourier;

- Ability to create access rules for given identifiers (date/time of identifier working start/end, amount of passes, device for access of identifier); 

- Availability of all given identifiers history;   

- Availability of all incoming/outcoming calls history with photos taken during a conversation more than 3 seconds;

Integration with BAS-IP UKEY application: 

- Ability to use smartphone as a digital identifier (with the help of Bluetooth Low Energy technology);

- Ability to get digital identifier remotely (via e-mail, Viber, Messenger, Telegram, printed QR code) 

- Ability to open a door by pressing the application button;

- Ability to open a door by unlocking a smartphone;

Integration with BAS-IP UKEY Config application: 

- Ability to configure multi-format reader;

- Ability to set types of identifiers for reading (ASK, FSK, Mifare, Bluetooth, Inner Range);

- Ability to change a type of output interface (Wiegand Auto; Wiegand 26 - 64 bit; Touch Memory; RS 232);

- Ability to encrypt or diversify MIFARE identifiers for safety improvements;

- Ability to choose and configure MIFARE profiles;

- Ability to configure indication process (duration, marks for card reading, and standby mode);

- Ability to set distance for reading a card; 

- Ability to update device firmware;  

- Ability to save settings from one device and copy them to others;

- Ability to restore settings from backup copy;