Path : Sitiless Products > VoIP ADSL Router
IP Phone LP-399

IP Phone LP-399


RoHS Comply

Key Benefits

  • Build-in 3 way conference function
  • Build-in NAT function
  • Support STUN function
  • Adjustable Ring Tone


IP Phone LP-399 is a full-featured IP desktop telephone set. For ease-of-use functionality and ergonomic design, home user or enterprise can integrate this state-of-the-art phone into daily life. With affordable price, Welltech IP Phone LP-399 represents cost savings and convenience.

Built-in 2 Ethernet ports allows user to connect PC or network device directly through IP phone without extra Hub. With NAT function, IP Phone LP-399 can also allow user to access Internet without additional public IP.

Based on innovative technology, Welltech IP Phone LP-399 built-in many user-friendly feature buttons, including HOLD, TRANSFER, REDIAL, CONFERENCE, CALL PICK UP, SPEED dial...etc. With high-quality speakerphone, user can enjoy VoIP more conveniently. It is no doubt IP Phone LP-399 will be the best choice for everyone with VoIP.



  • ISP/ITSP (Internet Telephony Service Provider)

  • IP-PBX with office telephony services

  • Multi-nation enterprise communication

  • SOHO Telephony


Telephony Features
  • Call hold
  • Call transfer
  • Call forward
  • Call waiting
  • Call Conference (3-way)
  • DND (Do Not Disturb)
  • Call List (Missed,Received,Dialed)
  • 4 configurable speed dials
  • Support up to 3 multi-lines
Network Support
  • Fixed IP
  • Dynamic Host Configuration Protocol (DHCP)
  • PPPoE connection
  • Support ToS
  • Support NAT function
  • Support STUN function
Technical Specification
  • Two 10/100 Base-T RJ-45 Ethernet port with Switch or NAT inside
  • LCD Configuration Password Protection
  • 2*16 character LCD display
  • LCD Display Time, Date, Caller ID, Call Duration
Management Features
  • Software Upgrade: TFTP/FTP download
  • Easy ways for system configuration
    • LCD Front Panel
    • Web Browser
    • TELNET
    • Provision Server
Audio Features
  • G.711 A/ -Law, G.729, G.726
  • Provide In-band and Out-band DTMF
  • CE, FCC
Provisioning and Configuration
  • SIP (RFC3261) compliance
  • LCD configuration password protection
  • Provide adjustable Ringer , Speaker and
    Handset volume
  • Support DNS server inquiry
Power Supply
  • DC 12V output adaptor, AC 100-240V ac input
Operation Environment
  • Humidity: 10 to 90 % (Non-condensing)
  • Operational Temperature: 0 to +40°C
Storage Environment
  • Humidity: 10 to 90 % (Non-condensing)
  • Storage Temperature: -10 to +50°C

* RoHS Compliant

Application Diagram

Sitiless Co., Ltd.

8F, No 443, Zhonghe Road ,Yonghe District, New Taipei City ,Taiwan
Tel : +886-2-29254000    Fax : +886-2-29205533
E-Mail : ;
Web Site :