PhoneCrypt D100

ST Electronics (Info-Security) Pte Ltd.


Secure Communication

PhoneCrypt solution suite is a dedicated Secure Voice over IP (VoIP) and Instant Messaging (IM) solution to ensure complete privacy for voice and IM communication for enterprise professional and organization. It comprises of front-end client solution and backend VoIP/IM system to provide a complete secure communication over IP network. It is designed with the true End-to-End encryption and rich features for secure voice call and instant messaging.

The system support both land based user and mobile phone user with front-end client solution, DigiSAFE PhoneCrypt DT108 and DigiSAFE PhoneCrypt MT108.

PhoneCrypt D100: a Secure Desk phone designed for office environment with a separate hardware element and antitampering protection. It connects to backend secure VoIP/IM system through RJ45 connection to the internet.

Both the Phonecrypt D100 and M100 will be connected to the secure backend VoIP/IM system which comprises of NetCrypt U1000 IP encryptor and PhoneCrypt server.

Key Features

Key Features

  • • End to end secure voice conversation and instant messaging between the clients through the backend PhoneCrypt system.
  • • Layer 3 IPSec security providing maximum security.
  • • AES algorithm for data confidentiality, Secure Hash Algorithm (SHA) as well as Internet Key Exchange (IKE) protocols for integrity protection and user authentication.
  • • Excellent voice quality.
  • • Easy installation and supporting dynamic IP addressing.
  • • Plug-and-play unit provides greater convenience for travelers.
  • • Back-end system also comprised of encrypted storage system for contacts. It protects confidential data against unauthorized access


PhoneCrypt D100

Network Interfaces External port: 1 x Ethernet RJ45 10/100 Mbps auto-sensing port
Networking Features & Protocols
  • • IP Security/Encapsulating Security Protocol
  • • Supports Layer 3 encryption capability
  • • IP Compression
  • • QoS support
  • • Traffic flow confidentiality
Authentication RSA Public Key Signature (up to 4096 bit)
Key Management
  • • Support Internet Key exchange (IKE v2)
  • • DH supports up to 8192 bit
  • • Supports ECDH (up to P-521 bit)
Encryption Algorithm/ Modes AES-CBC (256 bit)
Hash Algorithm
  • • HMAC-SHA1
  • • HMAC-SHA2 (256, 384, 512 bit)
  • Interfaces:
    - 10/100 Mbps Ethernet RJ45 (remote management and local configuration)
    - RS232 local console interface (DB9 to RJ45)



  • • Extensive audit logging
  • • Alarm detection and logging
  • •  SNMP v2c network management (operates with standard SNMP network management station)
  • • Supports up to 3-factor authentication
  • • 1 x Ethernet RJ45 10/100 Mbps auto-sensing port
Security Features
  • • Tamper-resistant chassis
  • • Anti-tamper detection and response



Use Cases

PhoneCrypt D100 - Use Cases