Images KX-TGP551T04, , HeroImage

SIP IP Expandable Cordless Phone System with Corded Handset Base Station and 1 Cordless Handset

  • One button Call Transfer
  • Busy Lamp Field (BLF)
  • Ethernet Pass-through port 

SpecificationsExpand All

  • More Details
    • VoIP Support
    • IETF SIP version 2(RFC3261 ands companion RFCs)
    • BroadWorks R15 / BroadSoft
    • Asterisk
    • Voice Codec
    • G.711a-law / G.711μ-law / G.722(wideband) / G.729a / G.726(32K)
    • Network Interface
    • 10 / 100 base-T auto MDI / MDIX Ethernet LAN port
    • Provisioning
    • HTTP / HTTPS / FTP / TFTP and local / remote WEB configration
    • QoS Support
    • DSCP
    • Static VLAN
    • TOS
    • Keys and Indications
    • Menu driven user interface
    • Line Status
    • Direct handset call buttons
    • Message waiting indicator on the base unit
    • RF-System
    • US-DECT 1.92GHz - 1.93GHz (for USA and Canada)
    • EU-DECT 1.88GHz - 1.90GHz
    • Phone Features
    • Multiple Handset
    • Multiple registration support
    • Simultaneous voice calls
    • 2.5mm Headset Jack
    • Grouping Handset : Handset select for receiving call
    • Handset and Number select for making call
    • Redial
    • Do Not Disturb
    • Anonymous Call (CLIR)
    • Anonymous Call Rejection
    • Busy Lamp Field (BLF) for handsets
    • Calling party name and munber presentation (CLIP, CNIP)
    • Call Rejection
    • DTMF dialing during call
    • 3-Party Conferencing
    • Call Transfer
    • One touch button call Transfer
    • Call Hold
    • Call Forward Unconditional/User Busy/No Answer
    • Call Waiting
    • Distinctive Ringing
    • Ringtone Selection

Owner's Manuals

Owner's Manuals and Documentation


  • What should I do if my product needs service?

    NOTE: This does not apply to TVs, Microwaves, Vacuums, and Massage Chairs

    For repairs and exchanges:

    Ship your product to:

    Panasonic Factory Service Center
    4900 George McVay Drive
    Suite B; Door-12
    McAllen, TX 78503

    Please include your name, address, telephone number, email address, copy of your purchase receipt (for warranty service), and a description of what is wrong with the unit. Freight collect shipments will not be accepted.

    Panasonic is not responsible for damage that occurs in transit. All contents should be packaged for safe travel to the service center. Customer should use a reputable small package shipping company that is able to provide a package tracking number and insurance (if customer should so desire to insure their package).

    Units that are abused, damaged, infested with insects, have corrosion, etc. will be placed out-of-warranty.

    Once your unit arrives at the facility, you may contact us for status at:

    Tel: 956-683-2930
    Toll Free: 1-866-907-9111

    Please reference your Service Job number when contacting You will be contacted if there is any cost you are responsible for.

Panasonic USA