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Voice Logging - eALog



eALog is an open platform voice logger built with cutting edge technologies. It is capable of passively tapping into digital or analog phone lines for real-time call recording and/or monitoring without any noticeable interruption in the service. Recordings are stored internally and can be retrieved locally or remotely via telephone or LAN. eALog can be purchased as a turnkey system complete with application software, or with SDK (software development kit) for building your own system.

  • 8 ~ 256 channels per system
  • Versatile open platform architecture with greater flexibility
  • Flexible recording modes: automatic, selective, on demand
  • Compression schemes supported: GSM, Microsoft GSM, WAV, ADPCM, G.729A
  • Advanced streaming technology ensures playback quality over LAN
  • Real-time monitoring via LAN
  • Versatile starting methods: voltage change, network control, on/off hook, D-channel, desktop access
  • Supports DAT, DVD-RAM, NAS (network access storage) as backup device
  • Optional utilities provide quality control for call centers (eALog CQC) and SS7 signal monitoring for E1 trunk logging (eALog SS7Monitor)
  • Banks, stock brokers, commodity brokers
  • Call centers, radio dispatch centers
  • Security alarm companies, emergency services
  • Intelligence agencies, police stations, attorney offices
  • Airport control towers, railroad stations, power plants
  • Hospitals, clinics, medical offices, health care providers
eALog software development kit (SDK) supports VC++, VB, Delphi, and C++Build programming languages for implementing powerful functions on call recording, monitoring and administration tasks for call center applications.
eALog Technical Specifications
System Capacity
8 ~ 256 channels per system

Record Conditions

Automatic Start On/Off hook


Network TCP/IP
Voltage detection

Record On Demand

Desktop control
DTMF detection

  Selective Recording

Agent or agent ID
Channel ID
Inbound or outbound DNIS or ANI

Voice Compression
  8 Kb/s
12 Kb/s
16 Kb/s
24 Kb/s
32 Kb/s
40 Kb/s
64 Kb/s
128 Kb/s
WAV format

GSM 6.10, Microsoft GSM
G.726, OKI
G.726, OKI
u-law or A-law per G.711, 8 bit linear PCM
16 bit linear PCM
Microsoft GSM, 16 bit PCM

Communications Interface

RS-232, Ethernet, Modem

Audio Signal
  Receive Range
Input Gain Control
Silence Detection
Transmit Volume
Control Frequency Response
Automatic Gain Control
Automatic Volume Control
Activity Detection
Alert Tone

-68 ~ +3 dBm
-64 ~ +24 dB
Programmable from API
-64 ~ +24 dB
300 ~ 3400 Hz +/-3 dB
Programmable from API
Programmable from API
Programmable from API
Programmable from API

System Requirements


Operating System Windows NT4.0/2000/XP Database MySQL, SQL Server

Environment Requirements

Operating Temperature Storage Temperature Operating Humidity Storage Humidity

0 ~ +60 o C
-20 ~ +85 o C
8 ~ 80 % non-condensing
8 ~ 80 % non-condensing

System Redundancy


Disk Mirroring

System Security


Multi-level password
Multi-level system administration

Anjung Kreatif Enterprise