Smart Logger II: Multi-channel call recording and monitoring system

Universal call recording and monitoring system

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Smart Logger II is a multi-channel voice and screen recording solution. It enables organizations to capture and analyze all internal and external interactions across various types of communication channels (analog, TDM, VoIP etc.).

The system is intended for quality assurance, performance analysis and can be used for workforce and business processes optimization.

Smart Logger II allows solving any practical tasks for call recording in areas of public safety, security, business and at industrial, transport and energy enterprises.


  • Call centers (businesses, public organizations): record conversations for safety reasons (e.g. threats, terrorist calls), customer satisfaction issues, to monitor staff performance
  • Call centers of financial institutions (stock trading, banking): record verbal communications for financial security purposes
  • Organizational dispatch centers (power, telephone, oil, water, gas suppliers): record internal and external communications for subsequent control and investigation
  • Police and other law enforcement agencies: lawful interception and monitoring of conversations from mobile or fixed monitoring centers
  • Emergency services (fire, ambulance, rescue): record incoming calls to ensure efficient follow up
  • Crisis hotlines
  • Insurance companies, and many more

Main Benefits

  • High quality audio recording. System records can be used for person identification by speech and voice.
  • Unique speech technologies. The best noise suppression filters and emotion detection analytics.
  • Wide set of registered parameters. Quantity of repeated calls, client/agent interruptions, client/agent speech duration ratio, hold/transfer calls per client, silence percentage etc.
  • Single window multi-role interface. Easy-to-use, personalized GUI.
  • Flexible platform. Universal architecture, different configurations.
  • Robust solution. Automatic work restoration, 24/7/365 readiness.
  • Seamless integration. CTI, CDR/SMDR support.
  • Professional multiple language technical support.


  • Total call recording
  • Registration of information associated with call
  • Playback with noise reduction, automatic gain control, silence missing
  • Real-time audio channel monitoring
  • Notifying call parties about recording
  • Search grids (filters, sorting)
  • Analytics and scorecards tools
  • Screen recording
  • Data archiving (CD, DVD, external repositories)
  • Records export and their playback by usual media player
  • Sampling frequency: 8,11.025,16 or 22,050 kHz
  • PCM, G.711 (A-law, μ-law) codecs
  • System monitoring
  • Discretionary access control and user’s actions logging and many more
  • Authorized-only access

Technical characteristics


DBMS MS SQL Server 2008 Express Edition – up to 5 million recordings
MS SQL Server 2008 Standard Edition – up to 100 million recordings
Audio file formats .wav, mono/stereo
PCM (8, 11, 16 kHz), G.711 (A-,μ- law), ADPCM, GSM 06.10
Multi-track recording for analog signals
Signal sources Analog and digital phone lines
E1 trunks (EDSS1, R2)
IP telephony
Microphones (5, 12, 60 V)
Radio sets
Analog line outputs
Cisco (CTI OS)
Genesys (T-server)
Record station OS MS Windows 7
MS Windows Server 2003 Standard Edition
MS Windows Server 2008 Standard Edition
User’s workstation OS MS Windows XP
MS Windows 7
Typical record station up to 100 channels CPU Intel Core 2 Duo
HDD 500 GB
Ethernet 100/1000 Mbit/s

Interface modules

Interface Boards:

Version Signal Sources Interface Daughterboards
STC-H205/4 4 analog signal sources 16-bit ADC, S/N minimum 80 dB PCI STC-H217/STC-H248for auto hook-on
STC-H205 8 analog signal sources 16-bit ADC, S/N minimum 80 dB PCI STC-H217/STC-H248 for auto hook-on
STC-H433 8 or 16 analog signal sources 24-bit ADC, S/N minimum 85 dB PCI Express x1 STC-H465 – extention to 16 signal sources
STC-H199 6 or 12 digital subscriber lines PCI STC-H207 – extension to12 digital lines
STC-H456 – AM/FM8
STC-H199.01 E1 trunk PCI

USB Device:

130х100х30 mm

Version Signal Sources Comments
STC-H219 4 analog signal sources 16-bit ADC, S/N minimum 80 dB
STC-H219D 4 analog signal sources 16-bit ADC, S/N minimum 80 dB 60V phantom power for microphones

Ethernet Input Device:

Small Sized Ethernet Input Device 170x108x32 mm

Version Signal Sources
STC-H356.1 8 analog signal sources, 16-bit ADC, S/N minimum 76 dB
STC-H356 2 digital subscriber lines, 8 analog signal sources
STC-H345 2 digital subscriber lines
STC-H354 8 digital subscriber lines
STC-H357 E1 trunk

19" Rack Ethernet Input Device


  • Analog signal sources: 8/16/24/32
  • Digital subscriber lines: 8/16/24/32
  • E1 trunks: 1/2/3/4


Optional Software

Version Item Description Comments
File Server
Centralized database service
Necessary module for distributed networks. Collects records in one database and satisfies robustness requirements
SMDR analyzer
RS-232 and Ethernet connection of recording system to PBX billing ports
Registers subscribers’ internal phone numbers while recording through external analog lines and E1 trunks
CTI analyzer
Connection of recording system to CTI PBX interfaces, communication platforms and dispatch centers
Registers detailed information on phone calls and status of subscribers, dispatchers and call center operators
Video Recording Service
PC screen registration service
Synchronous PC monitor video recording and audio recording of phone calls
SIP source
SIP telephony registration
Phone call registration in corporate networks with SIP telephony and SIP trunks by parsing IP packets
VoIP source
Proprietary IP telephony registration
Phone call registration in corporate networks with Avaya, Nortel, Cisco (etc.) protocols by parsing IP packets
Avaya DMCC source
Avaya telephony registration with CTI-integration
Phone call registration in Avaya networks by using Service Observing, Single Step Conferencing and Multiple Registration
Soft Button
Records call center operators
Call recording on demand; mode controlled by the operator
Fax Reader
Fax decoding
Decodes faxes into image files for viewing and printing
Audio-to-text transcription
Plug-in enables text transcription in MS Word with simultaneous audio file playback control. Text and audio can be automatically synched during transcription
Audiovisual system monitoring

Recording channel status can be monitored with software scalable panel. Ideal for installation at dispatch centers and laboratory/high-tech facilities.

SMS receiver
SMS Receiver
SMS registration software module received by GSM terminal connected to the recording system
Technical monitoring of recording system
Software module enables extended monitoring of recording system operational status. Alerts can be transferred via SMS, e-mail or SNMP

Additional Equipment

STC-H277 Mixer Connects to duplex radio recording systems and other signal sources with four-wire interfaces.
Size: 60x60x25 mm
STC-H300 Switch Software switching control of signal sources and recording channels. Switching control through RS-232 interface. Switching schemes may be from 121x1 to 16x8
Size: 190x110x105 mm
STC-H382 Microphone with preamplifier Controls acoustic conditions in recording environments. Two-wire 12V power supply through interface boards or I/O recording devices
STC-H468 Lightning guard Protects against too-high voltage and current surges