iPECS-LIK
Feature Description & Operation Manual
4.16
ISDN SUPPLEMENTARY SERVICES
In many cases, the ISDN service provider offers enhanced services, to which a user may
subscribe. The iPECS system allows access to these ISDN “Supplementary Services”
implemented under the ETSI regime as described below.
4.16.1 ISDN Call Deflection
Description
When the ISDN Supplementary Service “Call Deflection” is supported, a user can forward
incoming calls on the ISDN line directly through the ISDN without the need to establish a
connection through the system.
When Call Deflection is used, the system sends a call-deflection request message with the
telephone number to receive the call to the ISDN. The ISDN then sends incoming calls to the
desired telephone number. In this case, the system does not set-up a CO line to CO line
(Unsupervised Conference) connection for the call.
Operation
iPECS Phone
To activate ISDN Call Deflection to an external number
1. Lift the handset or press the [SPEAKER] button to receive dial tone.
2. Press the [FWD] button.
3. Dial Forward condition (“1”~“4”, “#”)
4. Press [SPEED] button and desired bin number.
5. Replace the handset, return to idle.
To deactivate ISDN Call Deflection
1. Press flashing [FWD] button, Call Forward will deactivate and the [FWD] button
LED is off.
Conditions
1. The ISDN must support the Call Deflection Supplementary Service as defined by
the ETS300-202/206/207 standard protocol.
2. ISDN lines that support Call Deflection must be assigned in the system database,
PGM 143, Btn 7.
Programming
CO/IP 1 ISDN-SS CD (PGM 143-Btn 7)
Related Features
ISDN Supplementary Services
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