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Name：ES144
Detail： Size：D425W390H140 (mm)
Model：ES144
Capacity: Max. 144 ports
Dimension: D425W390H140 (mm)
Transmission: PCM A-law CCITT G.711/712
Switching: Non-blocking TDM switching matrix of 64kbits/s
Power Supply: AC 90-264V 50-60Hz, DC -48V (+12.5%/-12.5%) with Battery charger
Power Consumption: 320W
Electro Magnetic Compatibility: Conform to IEC6100-4 Class A
Safety: Conform to EN60950-1:2001
Environmental Condition: -5 to 45 °C
Quality: In accordance to ISO9001
Interface: Analogue Extension (16 cct/bd, Loop current 18~40mA, programmable impedance)
Digital Extension (2 wire, 8 or 16 cct/bd)
Analogue Trunks (8 cct/bd, Subscriber signaling, Polarity detection, Busy tone detection)
Digital Trunk (E1/PRI, ETSI ISDN/NET5 30B+D, MFC R2, CSS7)
Mobile phone: GSM 900/1,800
Others: Door phone, SMDR, Maintenance
System function
- Distinctive Ringing (tone or melody)
- Automatic recognize peripheral hardware
- SMDR store up to 1500 records
- Build-in Auto attendance (1 circuit)
- Extension budget control
- LCCR Least cost call routing
- Build-in music on hold
- Conversation time limit
- Wake-up
- Incoming call filtering
- Voice mail connection (support both on/off hook protocol)
Trunk function
- CID Caller ID display support (DTMF/FSK)
- Answer signal recognition (Polarity reversal/threshold time)
- Transit connection
- Max. external digit length = 16
- Direct in dialing
- Incoming call barred
- Reroute DID unsuccessful call
- Flexible trunk access code
Extension function
- Abbreviated Dialling (ABD) Common or Individual
- Add-on Conference (3 parties)
- Automatic Ring Back (ARB)
- Automatic Trunk Find (ATF)
- Call Intrusion/Break In
- Break in protected
- Call Forwarding
- Caller ID display (FSK/DTMF)
- External CID progressive display
- CID display on all group members when call to group
- Call Waiting Indication
- General cancellation of Set Functions
- Do Not Disturb
- Dual Directory Number to One Extension Hardware
- One Directory Number for 2 Extension Hardware
- Enquiry/Hold (Initiated by pressing earth button, Dial key tone digit or Hook flash)
- Progressive enquiry
- Music on hold
- Extension Log On/Off
- By PID to set extension Up/Down grade
- Follow Me (FM)
- FM on the move
- FM to external (Max. 16 external digits)
- Group Function (Max. 30 group/unlimited members)
- Group hunting
- Call pick up within group
- Call pick up barred
- Ring all group members
- CID to all group members
- Absence/presence by member
- Call forwarding when all members absence
- Hot Line (Immediate/Delay)
- Last External Number Repetition
- Listen In
- Activate Message Indication
- Multi Party Conference (5 parties, Max. 3 groups)
- Pay Phone Connection (Provide line reversal signal to pay phone when called party answer)
- Personal Identity Dialling (PID) 5,000 PID with 1~4 number, password 1~6 digit
- Priority Access to Trunk Line
- Post Dialing
- Redial Until Connect (External call)
- Restriction of External Call
- DID barred
- Incoming exchange line barred
- Secrecy Call
- Restricted CID to called party
- Set Function Timing (By extension/Operator)
- Shuttle/Transfer
- Shuttle with forced release
- Transfer before or after called party answer
- Single Digit Dialing
- Traffic Class (TC) 10 levels (0 ~ 9) for internal TC, by system timer (Max. 30 period for day TC)
- Up/Down Grade Traffic Class by PID
- Twining (With internal number/external number)
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