IP PBX ST824

Protocol: SIP

Routing, CDR, Busy Tone Detection

Voice Codec: G.711, G.729A, GSM, ILBC

 

MAIN FUNCTIONS

Can be connected with12 key phones

System programmed and monitored by key phone easily.

Built-in 6 duration Out-Going Message

Built-in Caller ID function for intercom and outside Line number and number can be transferred display again and

again..An incoming calls number can be displayed at 5 extensions at same time.

Economical Code auto-route

Select a CO Line directly without dialing digit “9”.

Day/Night Service manually

Flexible Extension Numbering

255 groups Walking Account Code

Manger/Secretary Call-group

3-party Conference Call

Hot Dialing

Auto call back on busy

Multi-answer Mode

Call Forward

Setting Operator

Extension lock

Call Pick-up

Conversation Time Alarm

Interrupt and disconnect an outside call

IP PBX Main function

System TFTP upgrade

Data backup and restore

WEB remote interface management

Multiple voice codec format (A,U,iLBC,G729)

100 IP extension Account

4 Traditional voice concurrent channel

20 IP platform concurrent calls

IP voice calls bypass

IP extension account, IP trunking support SIP Type

Flexible networking

DID number across the equipment through the call

Resonance

IP call extension account level limite

Relay equipment sharing

Pass through the number

General IP phone support

Open standard interface protocols

High system integration

Power Supply

Power supply voltage: 110VAC or 220 VAC,50/60 Hz

Maximum power consumption: 30W

Cross-talk attenuation: >70db

Internal feeding voltage: +28VDC, 30mA

Internal ringing voltage:75VAC/50Hz

External line port voltage: <60VDC

External line port ringing voltage: 35VAC/25Hz or >35VAC/50Hz

Environmental Limits

Operating temperatures: 0°C to 45°C (32°F to 113°F)

Operating humidity: 10% to 95% without condensation

Cable Requirements

Feature phone: Maximum 100m(2 pairs twisted wire 0.5@)

Single line phone: Maximum 1,000m(1 pair twisted wire 0.5@)

Outgoing call: DTMF

Cross lose: > 70dBII