CHAPTER 3 TERMINALS
Issue 5
UNIVERGE NEAX 2000 IPS General Description
Page 192
calling party to set an automatic call back when a called party is busy. When the busy
station becomes an idle, the station that sets the call back will be called. A maximum of
32 stations can access this feature simultaneously. Analog single line telephone, Dterm,
Dterm IP station can be the calling and called party of the ISDN – CCBS feature.
Note: When the ISDN – CCBS feature is used, the ISDN network provider should support
this function. Sometimes the ISDN provider requests additional payment to allow this
function.
Connected Line Presentation (COLP)/Connected Line presentation Restriction (COLR)
The COLP supplementary service provides the IPS to send identification of the connected
party in the IPS, to the calling party. Reference specifications: EN 300 094, ETS 300 096,
EN 300 097
The COLR supplementary service provides the connected party in the IPS to prevent
presentation of the connected party's ISDN number (and subaddress), to the calling party.
Reference specifications: ETS 300 095, ETS 300 096, EN 300 098
DID Addressing
This feature allows incoming ISDN-PRI calls to terminate to stations, attendant console,
automated attendant, etc., based on the called party number. Direct Inward Dial trunks
will be terminated to programmed destinations without attendant assistance.
DID Addressing and DOD Addressing
This feature allows the system to use DID and DOD on the same B-Channels. Trunk
Provisioning Service election is not required. (B-Channels can be used for DID and DOD
without separating the trunk routes.)
Event-Based CCIS
This feature allows a PBX customer who does not have a tie line (or when a customer
cannot use the tie line due to busy or fault of the line), to use the various CCIS feature by
using the ISDN line as a CCIS virtual tie line, on the IMX to SOPHO 2000 IPS
connection or the SOPHO 2000 IPS to IPS connection.
ISDN Terminal
This feature provides the system with an ISDN Terminal or Terminal Adapter (TA).
ISDN Terminal to ISDN Terminal, ISDN Terminal to ISDN Trunk, ISDN Trunk to ISDN
Terminal, ISDN Terminal to Single Line Telephone, ISDN Terminal to Multiline
Terminal, and ISDN Terminal to PS connections are available.
ISDN-to-ISDN Tandem Connection: BT on Busy External Party (R11)
Prior to R11, in the above case, calling party will hear ring back tone (RBT) first, and
then later this becomes busy tone (BT). It appears if someone is rejecting your call. In
R11 software, this problem is solved.
In case someone has set a call forwarding to an external number, if that person is called
and the external number is busy, the calling party will now hear busy tone (BT).
Notification to caller when outgoing call seizes 2nd choice trunk for ISDN PRI/BRI (R9)
In case of an outgoing tie line call where 2nd choice trunk is ISDN trunks, when all tie
line trunks are busy or in failure and the 2nd choice trunk (=ISDN trunk) is seized, the
