PH531A

PH531A

Power

-   ISDN
line power input

 

Technical features

-   ISDN protocol

-   Support Full duplex, S/T interface transceiver
according to ITU-T I.430

-   Support Flexible DTMF,
tone and ringing

-   Meets the requirements
of ITU-T I.430 with minimum output impedance 20 ohm

-   Enhanced voice data
manipulation

-   1x RJ45 ISDN line Jack
connector, 1xRJ11 PSTN line Jack connector

-   Built-in 2x20 character LCD Display

 

Product
features

-   2-Way speaker phone

-   Last 50 number redial

-   Multiple languages support

-   Phone silent function

-   Mute function

-   Date/Time/Weekday display

-   Call duration cuunter display

-   Partial call blocking function

-   Global call blocking function

-   International/National prefix setting

-   5 Digits PIN for security of phone setting

-   5 speed dialing

-   Phone book with 50 entries

-   3 MSN (multiple subscriber number)

-   DTMF dialing

-   User to user signaling

-   Completion of call on busy subscriber

-   Baby-sitting function

-   Caller ID

-   Caller ID restriction

-   Call forward function

-   Call back function

-   Call waiting function

-   3 party conferencing

-   Inquiry call/toggle function

-   Call suspension function

-   Call hold function

-   Shortcut keys function

-   Instant clip function

-   Reject incoming call function

-   Direct call transfer function

-   Ringer pitch and volume adjust

-   Lcd contrast control

-   Speaker volume control

-   Analog phone port support

-   Internal call

-   Prefix number on dialing