98
IX.3. QSIG SERVICES SUPPORTED BY THE SYSTEM
QSIG is a protocol which is very similar to ISDN and mainly used to provided feature
transparency between different systems when two or more PABX systems are connected to
each other via QSIG lines. DS200 Series systems support the following QSIG features:
Basic
call
CLIP (Calling Line Identification Presentation)
CF (Call Forwarding, Unconditional / No reply / Busy)
DND (Do Not Disturb)
CNIP (Calling Name Identification Presentation)
CT (Call Transfer)
CCBS (Call Completion on Busy Subscriber)
CCNR (Call Completion on No Reply)
CLIR (Calling Line Identification Restriction)
COLR (Connected Line Identification Restriction)
MSN (Multiple Subscriber Numbering)
DDI (Direct Dialing In)
IX.4. FEATURES FOR THE IP EXTENSIONS
The IP extension of the DS200 series PABX systems are based on the SIP protocol.
Therefore any SIP phone can be used with the system. When any ordinary SIP phone is
used with the system the standard SIP features can be used by the user is the SIP phone
supports these features. Some basic IP features are:
•
Call
transfer,
•
Call
hold,
•
Call
forwarding,
•
Do not disturb,
•
Message Waiting Indication,
•
Wake-up
call,
•
Last Number Redial,
•
CLIP (Calling Line Identification Presentation)
•
CNIP (Calling Name Identification Presentation)
•
CLIR (Calling Line Identification Restriction)
•
COLR (Connected Line Identification Restriction)
Содержание DS200
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