KryptAll™ TECHNICAL DATA 
VoIP “K PHONE”
GENERAL FEATURES
• 1 x LAN, 1 x PC: RJ45 (Ethernet)
• Voltage: 5V DC
• Power Consumption: 4-7 Watts (without USB)
• Ethernet: Gigabit Switch, 2 ports
• Power over network
• USB: 2 x type A, Hi/Full/Low Speed host
USER INTERFACE
• High resolution TFT touch screen color display
• 4.3’’, 480 x 272 pixels, 24 bits color depth
• 29 keys, 5 LEDs
• 15 freely programmable virtual keys
• 12 variable function keys
• Comfortable and intuitive menu structure
• Call indication with LED
• Caller identification (by display picture)
• LED indication for missed and received calls
• Address book with 2000 contact entries
• Speed dialing
• Lists of missed, received and dialed calls
• Indication of calls on hold
• Clock with automatic daylight-saving time,
• Call blocking (deny list)
• Blocking of anonymous callers possible
• Call swapping during an ongoing call
• Selection of ring tones, VIP ring tones,
• National Language Support
• Mute function
• Keyboard lock
• DND mode (do not disturb)
• WLAN binding via USB stick
• Hold
• Blind and attended transfer
• 5-way conference on the phone
• Call swapping
WEB SERVER
• Built in HTTP, HTTPS server
• Remote configuration/provisioning
• Password protection
• Diagnostics (traces, logging, system log)
SE CUR ITY
• HTTPS Server/Client, VLAN (IEEE 802.1X)
• Transport Layer Security (TLS)
• SRTP (RFC3711), SIPS, RTCP
• 256-bit AES Twofish session encryption
• 4096-bit Diffie-Hellman key exchange
• LLDP-MED
Codecs, Audio
• Wideband audio
• G.711 a-law, μ-law
• G.722, G.723.1, G.726, G.729AB
• GSM 6.10 (full rate)
• Silence suppression / Voice Activity Detection (VAD)
SIP
• RFC3261 compliant
• UDP, TCP and TLS
• Digest authentication
• PRACK (RFC3262)
• Error code indication
• Reliability of provisional responses (RFC3262)
• Early media support
• DNS SRV (RFC3263), redundant server support
• Offer/Answer (RFC3264)
• Message Waiting Indication (RFC3842), Subscription for MWI events (RFC3265)
• Dialog-state monitoring (RFC 4235)
• DTMF (inband/out-of-band)as well as DMTF via SIP INFO
• STUN client (NAT traversal)
• Bridged line appearance (BLA)
• Auto provisioning with PnP
• Presence/Buddy-list feature
• Busy lamp field support (BLF)
