HIKVISION DS-KV8102-IM - Page 13

Video Intercom Door Station·User Manual
4
 Default settings of call button: when you press the call button, it calls the resident;
and when you hold down the call button, it calls the center.
 You can change the calling mode of the call button via Batch Configuration Tool or
iVMS-4200 client software. See 7.4.2 Video Intercom for detail steps.