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Digital PBX / Hybrid IP PBX
Versatile Call Systems
System Specification System Configuration Available keyphone set
Certificate Key Feature  
ISDK-616 Series
Digital PBX / Hybrid IP PBX
Available Capacity & Specification
KSU DC Input Power DC 30V, 2A
Power Consumption (except stations) 3W
External Back-up Battery 24V/4 – 50AH
Max. Battery Charge Current 27.6V/0.5A
Analog CO Lines 3 – 6
Max. Station Lines 18
Digital Key Telephone 8 – 16
Single Line Telephone 0 –2
Built-In DSP Caller-ID Loops 6
Caller-ID Protocol DTMF/FSK
DISA Loops 6
Support Languages 4
Capacity of greeting & MOH 3,600 sec.
Dimension (cm) 22 x 9 x 32
Basic Cabinet Net Weight (kg) 1.2
All ISDK/ UD/ UD-F/ UKT/ USK series keyphone set are compatible with this system. For details, please switch to “keyphones”.
Absent Message
It is annoying when we find someone but he’s unavailable to answer the phone. The inner caller will know the extension holder’s situation as soon as dialing the extension number.
Example: Nicole is on her special leaves for 2 weeks; her colleagues will know her return day (August 15) from her absent message.
ACD (Average Call Distribution) / UCD (Uniformly Call Distribution)
ACD enable system to distribute the incoming calls equalize to a group of extensions that may share the operator load uniformly. Utilize this feature, the enterprise may allocate the staff productivity of call-center equalized.
Account Code
Account-code enables the enterprise to allocate costs back to divisions, departments and even individual employee; moreover, it also provides the party/mobile working place to share the individual call-cost fairly. Application for service billing, departmental & employee chargeback, cost & revenue optimization or enhance the staff productivity of the call-center.
Built-In Automatic Attendant
Providing 6 loops with 4 languages of DISA which can be recorded the voice announcement flexibly by user. The fixed English voice announcements include the day, noon, night and special 1st/special 2nd announcements..
Built-in Caller-ID
Call Barring provides user only accept the allowed list of inbound call or reject the prohibited list call or both conditions. When an incoming call from the prohibited list, the caller doesn’t know it was rejected but only hear the busy tone.
Call Restriction
Call Restriction enable to avoid the restricting extensions to make the long-distance/international call. 8 different COS of outward dialing restriction can be programmed for each individual extension.
Call Queuing
Annoy by keeping call an extremely busy extension or trunk line? Call Queuing sets you free from non-stop trying & waiting. Pressing the queuing key to reserve the busy extension/ trunk line and it will ring the queuing extension as soon as it’s available.
Call Forwarding
Call Forwarding provides complete service to treat any call – Busy/ No answer/ Follow Me forwarding will forward your call to mobile phone or other extension you assigned.
Electric Door Lock Control with Detective LED for Gate Security
Installed with an optional Doorphone voice card, the user can speak with the visitor through key telephone and open the electric door lock by pressing “#” key. If the visitor doesn’t close the electric door, the Red LED will be flashing to indicate on the programmed function key to alert user close the door.
FAX detecting
When the fax line incoming, it can be auto connected to the particular fax machine of single line port. It is needless to apply the CO line for FAX, to avoid the rent charge monthly.
Flexible Station Number Plan (1-8 digits)
This feature enable user to scheme out 1-8 digits of extension number to meet their demand. It is popular demanded for school, Hotel, Dormitory, Factory, Institution and General Small/Medium Business.
Flexible Function Keys
Do you want to organize the keys to meet your particular usage? This feature enable to be assigned flexible for CO line keys/ DSS keys/ frequently used function keys by one-touch dialing for your special needs.
LCR (Least Cost Route) / ARS (Automatic Route Selection)
LCR provides the enterprise reduce the call-cost optimized - not only able to selecting the cheapest telecom carrier but also able to select the telecom discount time. 9 groups 400 sets of LCR telephone numbers will proceed to the cheapest telecom route perfect.
Ringing Tone Identification
Programmable ringing tone enables to distinguish the call from different trunk line or extension.
Hotel Feature
Provide optional RS-232 interface to send “Check In”, “Check Out”, “Morning Call”, “Emergency” command to PBX. It also can be compatible with PC metering software & SMDR unit.
Please contact us if you need the feature list.
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