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VOIP Office Phone PL580
VOIP Office Phone PL580
Product model:KNPL-580
size:235x225x97 mm
material:Phenolic Resin

KNPL-580 office telephone
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  • Specification
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VOIP Office Phone KNPL-580


Need an affordable and convenient IP Telephone with HD VoiceThe KNPL-580 is highly effective designed for a mid-range phone that can be used as an integrated phone or a standalone. It is a business class SIP phone with an integrated dual Ethernet switch, G.722 codec supportsupports SRTP, support BLF, and 4 DSS keys. POE is optional.


The IP Phones are a Business Grade IP handset with a huge range of features and flexibility. The IP PHONE was designed and built for Enterprise Businesses with its modern design and ergonomic feel.


KNTECH is a professional developer and manufacturer of VoIP products. KNTECH provides VoIP communication devices solutions for small and medium sized businesses, as well as large mission-critical enterprise environments.


Over the 20 years since its establishment, KNTECH has built a strong engineering team and solid partnerships with IP communication chipset providers. 

Product Specification

Phone features

• 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: 128x48 with Backlight


Key Features 

• 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


Audio Features

 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




Advanced Features

 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


 Call back

• Call completion

• Hot desking

• Auto redial

• Predial

 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


Network/ Security Features

 WAN / LAN10/100M Ethernet ports

 Bridge mode and route

 PPPoE for xDSL

 802.3af POEoptional




 NAT transverse :Support STUN client

 DHCP client on WANDHCP server on LAN

 Main DNS and secondary DNS server

 DNS Relay

 SNTP Client

 Firewall and DMZ

 Web management access restricted


 ping, tracert, telnet


Maintenance & Management

 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


Physical features

• 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: 128x48 pixels

• Operation Temperature: 040

• Relative Humidity: 1065

• Main Chipset : Broadcom



 Weight- Phone:0.99kg

 Dimension:235x225x97 mm


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