
372 Chapter 38 Private networking: DPNSS network services (UK only)
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For example, user A forwards all calls to telephone B, a temporary office. Later, user A moves
on to location C. The user does not have to be at telephone A to forward calls to location C.
Using telephone B and Follow-me Diversion, the user can forward calls from A to location C.
Follow-me diversion can be cancelled from the forwarded location.
• Diversion on Busy and Diversion on No Reply cannot be cancelled from the forwarded
telephone. These are programmable only by an installer and not by the user.
• If multiple telephones are programmed to take a call, the first telephone to respond will act. All
other telephones responding are ignored. Therefore, if the first telephone to respond has
Diversion enabled, this feature will be invoked.
Restrictions by telephone type
• all variations supported on BCM digital and IP telephones
• ATA2/ASM8+—all variations supported on an ATA
• ISDN—all variations supported on ISDN telephones, except Diversion on Busy and CFWD
Busy
Setting Diversion
You set Diversion for DPNSS in the same way as call forward. You will need to enter the end DN
when prompted. You may also need to include the DPNSS 1 routing number.
DPNSS to Embark connections
DPNSS lines connected to an Embark switch perform call redirection/diversion using the Call
Forward feature to create a tandem link back to the switch. Since this is different from other
switches, you must select the type of switch DPNSS will be connecting to when you do module
programming. Refer to “Configuring the trunk module to line type” on page 109.
Before you program Call Forwarding ensure that:
• Both real channels and virtual channels are provisioned.
• Destination or line pool codes are programmed for the DPNSS to Embark link.
Also, during programming for Call Forward No Answer and Call Forward on Busy, when you
enter the Forward to: digits, the system does a validation check with the switch on the number.
(select Configuration > Telephony > Sets, All DNs panel, Line Access tab, double-click the
required field to enter the DN).
Using the Redirection feature
Redirection is a DPNSS 1 feature similar to BCM Transfer Callback. Redirection lets a call
awaiting connection, or re-connection, be redirected by the originating party to an alternate
destination after a time-out period. Failed calls can also be redirected. Priority calls are not
redirected.
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