
Chapter 38 Private networking: DPNSS network services (UK only) 373
BCM 4.0 Networking Configuration Guide
Diversion on No Reply feature takes precedence over Redirection.
Restrictions by telephone type
• For telephones with single line displays, the # key acts as MORE and the * key acts as VIEW
• ATA2/ASM8+—not supported
• ISDN—all variations supported on ISDN telephones
Setting redirection
The timer used for the network Callback feature is also used for redirection.
Executive intrusion, Intrusion protection level
Executive Intrusion (EI) is a DPNSS 1 feature that allows an operator, or other calling party, to
intrude on a line when it is busy. An example of the use of this feature is to make an important
announcement when the recipient is on another call.
EI is implemented on the BCM using Intrusion protection level (IPL). IPL has four settings, from
None to High. A telephone set has the ability to break-in when the other telephone set has a lower
IPL. The default setting is None and a setting of High prevents intrusion.
Restrictions by telephone type
• ATA2/ASM8+—supported
• ISDN—not supported
To program IPL
1 To access the All DNs panel, select Configuration > Telephony > Sets.
2 On the panel, locate and click the Capabilities and Preferences tab.
3 Select the DN of the telephone set being programmed.
The Details subpanel for that DN appears in the lower portion of the panel.
4 Click the Capabilities tab.
5 Locate the Intrusion protection level and select the required option from the drop-down menu.
Call offer
Call Offer over DPNSS 1 allows a calling party to indicate to the wanted party that there is an
incoming call available, even though there is no answer button available to present the call on the
telephone.
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