Maintenance Console Location
10.6.1 PBX Configuration—[2-6-1] System—Numbering Plan—Main
Feature Guide References
2.11.7 External Feature Access (EFA)
SIP Refer (Blind)
Specifies the feature number used to perform a blind transfer from a SIP extension.
Value Range
Max. 4 digits (consisting of 0–9, *, and #)
Maintenance Console Location
10.6.1 PBX Configuration—[2-6-1] System—Numbering Plan—Main
Feature Guide References
5.2.2 SIP (Session Initiation Protocol) Extension
ISDN Hold
Specifies the feature number used to hold a call using the ISDN service of the telephone company, instead of
the PBX feature.
Value Range
Max. 4 digits (consisting of 0–9, *, and #)
Maintenance Console Location
10.6.1 PBX Configuration—[2-6-1] System—Numbering Plan—Main
Feature Guide References
4.1.2.5 Call Hold (HOLD)—by ISDN
COLR Set / Cancel
Specifies the feature number used to set or cancel COLR, which suppresses the presentation of the called
party's number to the caller.
Value Range
Max. 4 digits (consisting of 0–9, *, and #)
Maintenance Console Location
10.6.1 PBX Configuration—[2-6-1] System—Numbering Plan—Main
10.6.1 PBX Configuration—[2-6-1] System—Numbering Plan—Main
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