Stealthphone Landline
Stealthphone Landline
Stealthphone Landline
-
Stealthphone Landline is recommended for major corporations and state organizations.
Stealthphone Landline ensures the security of your phone communications over existing shared phone networks within office PBX and PSTN.
Stealthphone Landline is designed for a safe encrypted communication among subscribers who use the same phone set.
Stealthphone Landline is recommended for major corporations and state organizations.
Stealthphone Landline ensures the security of your phone communications over existing shared phone networks within office PBX and PSTN.
Stealthphone Landline is designed for a safe encrypted communication among subscribers who use the same phone set.
To switch to encrypted mode, you need to press just one key on the Stealthphone Landline before making a call. The phone of the second subscriber automatically recognizes the encrypted mode request and switches to encrypted mode.
The second subscriber must have the same phone set, otherwise the conversation won’t be encrypted.
Main technical specifications
|
| |||
|
Voice signal security scheme |
vocoder – encryption device - modem | ||
|
Communication mode (in open and secure modes) |
Full duplex | ||
|
Phone line |
Type |
analog; double-wire; 600 ohm; 300-3400 Hz | |
|
Plug |
RJ-11 (6 contacts) | ||
|
Indication, control |
Indication |
Led - 6 pcs. | |
|
Control buttons |
Type |
Non-locking | |
|
Number |
four | ||
|
Cryptographic characteristics |
Encryption algorithm |
Proprietary encryption algorithm designed by Mobile Trust Telecommunications | |
|
Key system |
Two-level (session key + external key DS 1992) | ||
|
Key distribution method |
Elliptic functions | ||
|
Key length |
256 bit | ||
|
Key strength |
1077 | ||
|
Wipe option |
After the session is over the keys are deleted | ||
|
Vocoder |
|
| |
|
Voice compression algorithm |
algebraic CELP (4800 bps); with harmonic excitation (2400 bps) | ||
|
Syllable intelligibility of voice |
97% (4800 bps); 87% (2400 bps) | ||
|
Resistance to background acoustic noises |
Yes | ||
|
Modem |
Line rate |
4800/9600 bps | |
|
Modulation (protocol) |
V.32 (4800/9600 bps); V.34 (4800/9600 bps) | ||
|
Entry time |
~ 13 sec | ||
|
Delay in encrypted mode |
Not more than 80 мс | ||
Have a question?
Submit your question on website and our specialist will call you back within 24-hours and answer your question. If you want to know more about our products, you can apply for a full-course training at your work place.