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

Universal call recording and monitoring system

Call monitoring system Smart Logger IIColored marks can have various semantic meanings customized by the userA scorecards reportThe system displays channel state and allows for real-time audio monitoringThe recordings list


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

Technical characteristics


DBMS MS SQL Server Express Edition – up to 1.5 million recordings
MS SQL Server Standard Edition – up to 100 million recordings
Audio file formats .wav, mono/stereo
PCM (8, 11, 16 kHz), G.711 (A-,?- law), G.729A, ADPCM, GSM 06.10
Multi-track recording for analog signals
Signal sources Analog and digital phone lines
ISDN PRI trunks (EDSS1, R2)
IP telephony
Radio sets
Analog auxilary outputs
Cisco (TAPI, JTAPI, CTI OS, CTI Server)
Genesys (T-server)
SAP Business Communication Server (BCM)
Unify HiPath 4000 v6 (CSTA)
Record station OS MS Windows 7/10 x64 only
MS Windows Server 2008R2/2012R2/2016
User’s workstation OS MS Windows 7/8/8.1/10
MS Windows Server 2008R2/2012R2/2016
Typical record station up to 100 record channels CPU Intel Core i3
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-H205 8 analog signal sources 16-bit ADC, S/N minimum 80 dB PCI  
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-H537 6 or 12 digital subscriber lines PCI STC-H529 – extension to12 digital lines
STC-H199.01 ISDN PRI E1 trunk PCI



Ethernet connected Input Devices:


Input device model              Rack type         Dimensions (mm)                                           Max qnty of port types        
STC-H605 compact 111x175x45  8 analog or 6 digital or 1or 2 ISDN PRI E1 trunk
STC-H606 table-top 188x172x55  up to 16 analog or 12 digital or up to 4 ISDN PRI trunks and multiple combo variations
STC-H730 19" rack mounted 482x199x44 up to 16 analog or 12 digital or up to 4 ISDN PRI trunks and multiple combo variation
STC-H727 19" rack mounted 482x199x44 up to 48 analog or up to 36 digital or up 8 ISDN PRI trunks and multiple combo variations




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 Recorder
SIP telephony registration
Phone call registration in corporate networks with SIP telephony and SIP trunks by parsing IP packets
Avaya DMCC Recorder
Avaya telephony registration with CTI-integration
Phone call registration in Avaya Aura networks by using Service Observing, Single Step Conferencing and Multiple Registration
Cisco UCM Recorder
Cisco UCM 6.x and higher recording
Smart Logger leverages the Built-in-Bridge IP phone feature fpr Cisco UCM and BE recording
IP Office Recorder
IP telephony registration with TAPI
Recording audio data coming from VoIP channels based on Avaya IP Office and Samsung OfficeServ by logging the data from TAPI
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
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
Post Processor
Post processing module
Audio file post processing (conversion to compressed formats, speech characteristic calculation, fax detection, etc.)
Cisco MediaSense
Audio files importer
Automatic audio files and related data importing from Cisco MediaSense recording platform
STC-S519 Sound Importer Audio files importer Importing of audio files and recording by third-party systems from external storages with data parsing from file names
STC-S546 SL Connector Backup data from stand-alone Smart Logger BOX audio servers Automatic backup fonograms with metadata from stand-alone Smart Logger BOX audio servers
STC-S614 ARMTEL Recorder ARMTEL VoIP recording Recording conversations from ARMTEL DCN and IPN intercom system
STC-S654 Agent Mapper Agents Identifying when CTI integration is unavailable Agent Mapper application automatically associate Windows user names (e.g. call center agents wothout fixed workplace) and their VoIP conversation recordings and screen video recordings in Smart Logger database

Additional Equipment

STC-H277 Mixer Connects to duplex radio recording systems and other signal sources with four-wire interfaces.
Size: 60x60x25 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