Version 4

Used Symbols


DSSL Company is one of the world's leading manufacturers and integrators of digital CCTV systems. The basis of our success is our own development, continued investment in research and experienced team of international specialists. Business Card of the Company is brand TRASSIR, under which intelligent software solutions and equipment for professional video processing are being produced.

DSSL has huge experience in development and implementation of CCTV systems for problems of different scales and huge range of industries, including the strategically important state facilities. Large government agencies, industrial and retail companies, financial institutions, commercial companies, banks and private clients have entrusted us their safety: since 2002, we have carried out tens of thousands of installations.


Version 4


Tested Functions

DSSL TRASSIR 2N IP Intercom Version Scan device Video from 2N IP Intercom Audio from 2N IP Intercom Audio to 2N IP Intercom Switch control Events from 2N IP Intercom


- (tick) (tick) Via SIP (tick) Via SIP (tick) Via DTMF -



Both way audio is possible via SIP call to the TRASSIR Intercom module. This call can transfer DTMF in order to control switches.

Used Symbols

(tick) - Compatible

(warning) - Work with limitation

(error) - Incompatible