Record and playback conversations hardwarephone:
Hardware recording and playback conversations in samples 1 line, 4 line and 8 line designed and produced under the capabilities of each sample was noted.
| Single-line device in constant touch | |
| Number of line inputs | 1line |
| The ability to detect dial | Tone and pulse |
| Monitorlcd | No display |
| Memory | Without Memory |
| caller id | dtmf |
| Voice communication | One-way (output) |
| Communication with PC | rs232 |
| Ability to define black list | Not |
|
Monitoring full memory |
Not |
| Specifications4permanent communication line | |
| Number of line inputs | 4line |
| The ability to detect dial | Tone and pulse |
| Monitorlcd | No display |
| Memory | Without Memory |
| caller id | Dtmf- fsk |
| Voice communication | One-way (output) |
| Communication with PC | usb |
| Ability to define black list | There |
| Monitoring full memory | Not |
| Specifications 8 lines in constant touch | |
| Number of line inputs | 8line |
| The ability to detect dial | Tone and pulse |
| Monitorlcd | No display |
| Memory | Without Memory |
| caller id | Dtmf- fsk |
| Voice communication | One-way (output) |
| Communication with PC | usb |
| Ability to define black list | There |
| Monitoring full memory | Not |