CHINO-E Programmable Telephone Exchange Group Enterprise Switchboard Internal Extension Hotel Desktop Plug-and-Play Switch 4 Lines 16 Extensions ZN860-416

Supports call transfer with multiple caller ID displays; system automatically recognizes caller ID without loss during multiple transfers

Compatible with various international caller ID formats for external lines and incoming calls

Multi-level extension management with restrictions to control local, domestic long-distance, and international calls

Call time limit control per extension

Economic routing to manage multiple trunk lines and allocate resources based on carrier type

Automatic caller ID display

Flexible extension numbering

Port self-number modification

Outgoing line off-hook transfer

Internal call control

External call management

Extension hotline

Roaming account support

Call pickup

Scheduled internal calls

One-touch dialing

Forced insertion monitoring

Manager-secretary function

Multi-party conference calls

External line incoming call protection

Long-distance call lock

Do not disturb mode

Independent busy tone detection

Multi-level lightning protection for stability and reliability

Multi-scenario call transfer