VOIP Telephones

A great alternative for environments conducive to Internet Telephony with a stable broadband network infrastructure.

KT-E52

  • Vxworks OS
  • Support SIP2.0 (RFC3261) and correlative RFCs
  • SIP support 2 SIP servers, and backup SIP proxy servers
  • Supports SIP UDP / TCP/ TLS
  • SIP support SIP domain, SIP authentication (none, basic,MD5), DNS name of server, Peer to Peer / IP Call
  • Display Resolution: 128×48
  • Large dot matrix LCD display and soft keys make user easier to use
  • Soft keys programmable
  • Supports RJ-9 headset
  • Multi languages displayed
  • HD voice: HD handset
  • Codec: G.711A/u, G.7231 high/low, G.729AB, G.722, G.726-32
  • DTMF: In-band, RFC 2833 and SIP INFO
  • Full duplex hands- free speaker phone with acoustic echo cancellation
  • Voice Activity Detection (VAD)
  • Comfort Noise Generation (CNG)
  • Background noise suppression
  • Adaptive jitter buffers
  • Packet loss concealment
  • SRTP
  • Mute
  • Call forwarding (busy/ no answer/ always)
  • Call transfer ( unattended/ attended/ semi-attended )
  • Call holding
  • Call waiting
  • 3 way call conference
  • Capable of 10 way conversation
  • BLF list
  • Join call
  • Call pickup
  • Call park
  • Redial
  • Call back
  • Call completion
  • Hot desking
  • Auto redial
  • Pre-dial
  • SIP messaging , MWI
  • Flexible dial plan
  • Barring function for outgoing calls
  • Do not disturb
  • Auto answer
  • Caller ID display
  • CLIR (rejects anonymous calls)
  • CLIP (to make an anonymous call)
  • Dial without registration
  • Call logs with missed calls/ incoming calls / outgoing calls. Each support 300 records
  • Phonebook 500 records
  • Speed Dial (abbreviated dialing)
  • Hotline/Warm-line
  • Call rejection
  • Black List/ White List
  • Intercom/Intercom barge
  • Password dial, DTMF hidden
  • Action URL/ active URI
  • Voice codec setting for each SIP line
  • Multicast
  • LDAP, XML phonebook
  • Web dial
  • Keypad lock, Emergency call
  • WAN / LAN:10/100M Ethernet ports
  • Bridge mode and route
  • PPPoE for xDSL
  • 802.3af POE(optional)
  • VLAN(Voice VLAN/Data VLAN)
  • 802.1X
  • NAT (NAPT)
  • NAT transverse :Support STUN client
  • DHCP client on WAN/ DHCP server on LAN
  • Main DNS and secondary DNS server
  • DNS Relay
  • SNTP Client
  • Firewall and DMZ
  • Web management access restricted
  • VPN(L2TP/Open VPN)
  • Ping, trace route, telnet
  • WEB, telnet and LCD menu management
  • Management with different account right
  • Recover firmware and factory reset through POST mode
  • Upgrade firmware via HTTP, HTTPS, FTP, TFTP
  • DHCP option66 and custom option for auto provisioning
  • Auto Provisioning to upgrade configuration file with AES (256) encryption
  • TR-069 and Syslog
  • Adapter Input: AC 100-240V
  • Adapter Output: DC 5V/1A
  • WAN Port -10/100 BASE-T RJ-45 for LAN
  • LAN Port-10/100 BASE-T RJ-45 for PC
  • Headset: RJ9
  • Power consumption: IDLE: 2.5W Active: 2.8W
  • Display Resolution: 128×48 pixels
  • Operation Temperature: 0〜40℃
  • Relative Humidity: 10〜65%
  • Main Chipset: Broadcom
  • SDRAM: 16MB
  • FLASH: 4MB
  • Weight- Phone: 0.84kg
  • Dimension: 250x205x60 mm

KT-E58

  • Vxworks OS
  • Support SIP2.0 (RFC3261) and correlative RFCs
  • SIP support 2 SIP servers, and backup SIP proxy servers
  • Supports SIP UDP / TCP/ TLS
  • SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer / IP Call
  • Display Resolution: 128×48 with Backlight
  • Large dot matrix LCD display and soft keys make user easier to use
  • Soft keys programmable
  • Function keys programmable (each key have 2-color led indication)
  • Supports RJ-9 headset
  • Multi languages displayed
  • HD voice: HD handset
  • Codec: G.711A/u, G.7231 high/low, G.729AB, G.722, G.726-32
  • DTMF: In-band, RFC 2833 and SIP INFO
  • Full duplex hands- free speaker phone with acoustic echo cancellation
  • Voice Activity Detection (VAD)
  • Comfort Noise Generation (CNG)
  • Background noise suppression
  • Adaptive jitter buffers
  • Packet loss concealment
  • SRTP
  • Mute
  • Call forwarding (busy/ no answer/ always)
  • Call transfer (unattended / attended / semi-attended)
  • Call holding
  • Call waiting
  • 3 way call conference
  • Capable of 10 way conversation
  • BLF list
  • Join call
  • Call pickup
  • Call park
  • Redial
  • Call back
  • Call completion
  • Hot desking
  • Auto redial
  • Pre-dial
  • SIP messaging, MWI
  • Flexible dial plan
  • Barring function for outgoing calls
  • Do not disturb
  • Auto answer
  • Caller ID display
  • CLIR (rejects anonymous calls)
  • CLIP (to make an anonymous call)
  • Dial without registration
  • Call logs with missed calls/ incoming calls/ outgoing calls. Each support 300 records
  • Phonebook 500 records
  • Speed Dial (abbreviated dialing)
  • Hotline/Warm-line
  • Call rejection
  • Black List/ White List
  • Intercom/Intercom barge
  • Password dial, DTMF hidden
  • Action URL/ active URI
  • Voice codec setting for each SIP line
  • Multicast
  • LDAP, XML phonebook
  • Web dial
  • Keypad lock, Emergency call
  • WAN / LAN:10/100M Ethernet ports
  • Bridge mode and route
  • PPPoE for xDSL
  • 802.3af POE (optional)
  • VLAN(Voice VLAN/Data VLAN)
  • 802.1X
  • NAT (NAPT)
  • NAT transverse: Support STUN client
  • DHCP client on WAN/ DHCP server on LAN
  • Main DNS and secondary DNS server
  • DNS Relay
  • SNTP Client
  • Firewall and DMZ
  • Web management access restricted
  • VPN (L2TP/Open VPN)
  • Ping, tracer, telnet
  • WEB, telnet and LCD menu management
  • Management with different account right
  • Recover firmware and factory reset through POST mode
  • Upgrade firmware via HTTP, HTTPS, FTP, TFTP
  • DHCP option66 and custom option for auto provisioning
  • Auto Provisioning to upgrade configuration file with AES (256) encryption
  • TR-069 and Syslog
  • Adapter Input: AC 100-240V
  • Adapter Output: DC 5V/1A
  • WAN Port -10/100 BASE-T RJ-45 for LAN
  • LAN Port-10/100 BASE-T RJ-45 for PC
  • Headset: RJ9
  • Power consumption: IDLE: 2.5W Active: 2.8W
  • Display Resolution: 128×48 pixels
  • Operation Temperature: 0〜40℃
  • Relative Humidity: 10〜65%
  • Main Chipset: Broadcom
  • SDRAM: 16MB
  • FLASH: 4MB
  • Weight- Phone: 0.99kg
  • Dimension: 235x225x97 mm

Voice Over Internet Protocol Telephone

F3 IP Phone series is an industrial masterpiece, offers superior user experience and simplicity for home and office users with elegant appearance and intelligent software.

KTF3-IP

Generic

  • 2 SIP Lines
  • HD Voice
  • POE Enabled / Power Adapter
  • Handset (HS) / Hands‐free (HF) / Headphone (HP) Mode (EHS support for Qualitel headsets)
  • Desktop / Wall‐mount installation
  • Economical and Environmental friendly package
  • Industrial Standard Certifications: CE/FCC

   Call Features

  • Call out / answer / reject
  • Mute / unmute (microphone)
  • Call Hold / Resume
  • Call Waiting
  • Intercom
  • Caller ID Display
  • Call Forwarding (Always/Busy/No Answer)
  • Call Transfer (Attended/Unattended)
  • Call Parking/Pick‐up (depending on server)
  • Redial
  • Do‐Not‐Disturb (per line / per phone)
  • Auto‐Answering (per line)
  • Voice Message (on server)
  • Local 3‐way Conference
  • Hot Line

Phone Features

  • Intelligent Phonebook (up to 500 entries total)
  • Remote Phonebook (XML/LDAP)
  • Intelligent Contact Number Filtering
  • Call log (100 entries total, in/out/missed)
  • Voice Message Waiting Indication (VMWI)
  • Network Time Synchronization
  • Multi-language support in screen and web UI: English, Chinese (Traditional/Simplified), Japanese, Russian, Italian, Turkish, German, Dutch, Spanish, Hebrew, Polish, French etc.

Audio

  • HD Voice Microphone/Speaker (Handset/Hands‐free, 0~7KHz Frequency Response)
  • Wideband ADC/DAC 16KHz Sampling
  • Narrowband CODEC: G.711a/u, G.723.1, G.726‐32K, G.729AB
  • Wideband CODEC: G.722
  • Full‐duplex Acoustic Echo Canceller (AEC) – Hands‐free Mode,96ms tail‐length
  • Voice Activity Detection (VAD) / Comfort Noise Generation (CNG) / Background Noise Estimation (BNE) / Noise Reduction (NR)
  • Packet Loss Concealment (PLC)
  • Dynamic Adaptive Jitter Buffer up to 300ms
  • DTMF: In‐band, Out‐of‐Band – DTMF‐Relay (RFC2833) / SIP INFO

Networking

  • Physical: 10/100Mbps Ethernet, dual bridged port for PC bypass
  • IP Configuration: Static / DHCP / PPPoE
  • Network Access Control: 802.1x
  • VPN: L2TP (Basic Unencrypted) / OpenVPN
  • VLAN
  • QoS

Protocols

  • SIP2.0 over UDP/TCP/TLS
  • RTP/RTCP/SRTP
  • STUN
  • DHCP
  • PPPoE
  • 802.1x
  • L2TP (Basic Unencrypted)
  • OpenVPN
  • SNTP
  • FTP/TFTP
  • HTTP/HTTPS
  • TR069

RFCs:

  • 354/1321/1350/1769/1889/1890/2131/2132/2616/2617/2661/283/3/2976/3261/3262/3263/3264/3265/3268/3311/3489/3711/4346/4566/5630/5865

Deployment & Maintenance

  • Auto‐Provisioning via FTP/TFTP/HTTP/HTTPS/DHCP/OPT66/SIP PNP/TR069
  • Web Management Portal
  • Web‐based Packet Dump
  • Configuration Backup/Restore
  • Auto/Manual Online Software Upgrade
  • Syslog

Physical Specifications

  • LCD x1: 2.4/2.8 inch (320×240) colour‐screen LCD
  • Keypad: 28 keys, including:
    • 4 Soft‐keys
    • 12 Standard Phone Digits keys
    • 5 Navigation keys
    • 2 Line keys with tri‐colour LED
    • 4 Function key
    • 1 Hands‐free
  • HD Hands‐free Speaker (0 ~ 7KHz) x1
  • HD Hands‐free Microphone (0 ~ 7KHz) x1
  • HD Handset (RJ9) x1
  • Standard RJ9 Handset Wire x1
  • 1.5M CAT5 Ethernet Cable x1
  • RJ9 Phone Jacket x2: Handset x1, Headphone x1
  • RJ45 Ethernet Jacket x2: Network x1 (802.3AF POE Class 1 Enabled), PC x1 (Bridged to Network)
  • Main Chipset: Broadcom
  • DC Power Input: 5V/600mA
  • Power Consumption: Idle – ~ 1.1W, Peak – ~ 1.8W
  • Working Temperature: 0 ~ 40℃
  • Working Humidity: 10 ~ 65%
  • Dual‐Functional Back Rack x1: Desktop Stand / Wall‐mount
  • Colour: Black (K) / White (W) / Red (R) / Blue (B) / Yellow (Y)
  • Package Dimensions: 275x215x62mm (W x H x L)

Enterprise IP Telephone with Intelligent DSS Key-mapping

The new KTF4-IP Telephone is a high-end enterprise desktop phone which comes with an intelligent DSS Key-mapping LCD to increase enterprise users’ productivity at a cost-effective price.

KTF4-IP

Generic

  • 4 SIP Lines
  • HD Voice
  • POE Enabled
  • 2 LCDs (Main + DSS)
  • Handset(HS) / Hands-free(HF) / Headphone(HP) mode (EHS support Qualitel headsets)
  • Intelligent DSS Keys
  • Desktop / Wall-mount installation
  • Optional External Power Supply
  • Economical and Environmental friendly package
  • Industrial Standard Certifications: CE/FCC

Call Features

  • Call out / answer / reject
  • Mute / Unmute (microphone)
  • Call Hold / Resume
  • Call Waiting
  • Intercom
  • Caller ID Display
  • Speed Dial
  • Anonymous Call (Hide Caller ID)
  • Call Forwarding (Always/Busy/No Answer)
  • Call Transfer (Attended/Unattended)
  • Call Parking/Pick-up (depending on server)
  • Redial/Auto-Redial
  • Do-Not-Disturb (per line / per phone)

Phone Features

  • Phonebook (500 entries)
  • Remote Phonebook (XML/LDAP)
  • Call log (100 entries, in/out/missed)
  • Black/White List Call Filtering
  • Voice Message Waiting Indication (VMWI)
  • Programmable DSS/Soft keys
  • Network Time Synchronization
  • Action URL / Active URI

Audio

  • HD Voice Microphone/Speaker (Handset/Hands-free, 0~ 7KHz Frequency Response)
  • Wideband ADC/DAC 16KHz Sampling
  • Narrowband CODEC: G.711a/u, G.723.1, G.726-32K, G.729AB
  • Wideband CODEC: G.722
  • Full-duplex Acoustic Echo Canceller (AEC) –Hands-free Mode, 96ms tail-length
  • Voice Activity Detection (VAD) / Comfort Noise Generation (CNG) / Background Noise Estimation (BNE) / Noise Reduction (NR)
  • Packet Loss Concealment (PLC)
  • Dynamic Adaptive Jitter Buffer up to 300ms
  • DTMF: In-band, Out-of-Band –DTMF-Relay(RFC2833) / SIP INFO

Networking

  • Physical: 10/100Mbps(F4), 10/100/1000Mbps(F4G) Ethernet, dual bridged port for PC bypass
  • IP Configuration: Static / DHCP / PPPoE
  • Network Access Control: 802.1x
  • VPN: L2TP (Basic Unencrypted) / OpenVPN
  • VLAN
  • QoS

Protocols

  • SIP2.0 over UDP/TCP/TLS
  • RTP/RTCP/SRTP
  • STUN
  • DHCP
  • PPPoE
  • 802.1x
  • L2TP (Basic Unencrypted)
  • OpenVPN
  • SNTP
  • FTP/TFTP
  • HTTP/HTTPS
  • TR069

RFCs:

  • 354/1321/1350/1769/1889/1890/2131/2132/2616/2617/2661/2833/2976/3261/3262/3263/3264/3265/3268/3311/3489/3711/4346/4566/5630/5865

Deployment & Maintenance

  • Auto-Provisioning via FTP/TFTP/HTTP/HTTPS/DHCP OPT66/SIP PNP/TR069
  • Web Management Portal
  • Web-based Packet Dump
  • Configuration Export / Import
  • Phonebook Import/Export
  • Firmware Upgrade
  • Syslog

Physical Specifications

  • Main LCD x1: 2.8 inch (320×240) colour-screen LCD
  • DSS Key-mapping LCD x1:colour-screen LCD
  • Keypad: 38keys including:
    • 4 Soft-keys
    • 6 Function keys
    • 5 Navigation keys
    • 12 Standard Phone Digits keys
    • 3 Volume Control keys, Up/Down/Mute(Microphone)
    • 1 Hands-free key
    • 6 DSS Keys with tri-colour LED
    • 1 Page-Jump/Configuration (PJC) key
  • HD Hands-free Speaker (0~ 7KHz) x1
  • HD Hands-free Microphone (0~ 7KHz) x1
  • HD Handset (RJ9) x1
  • Standard RJ9 Handset Wire x1
  • 1.5M CAT5 Ethernet Cable x1
  • RJ9 Phone Jacket x2: Handset x1, Headphone x1
  • RJ45 Ethernet Jacket x2: Network x1 (802.3AF POE Class 2 Enabled), PC x1 (Bridged to Network)
  • Main Chipset: Broadcom
  • DC Power Input: 5V/1A
  • Power Consumption: (F4) Idle –~ 1.3W, Peak –~4.3W (F4G) Idle –~ 1.7W, Peak –~5.7W
  • Working Temperature: 0~40℃
  • Working Humidity: 10~ 65%
  • Dual-Functional Back Rack x1: Desktop Stand / Wall-mount
  • Colour: Black
  • Package Dimensions:285x270x65mm (W x H x L)

Doing business with us just adds up

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris