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Testing ISDN BRI functions
3. From the second ISDN BRI terminal with disabled hunting, dial another ISDN BRI
4. Place an incoming call to one of the busy ISDN BRI terminals with disabled
5. Observe the called ISDN BRI terminal. The ringing or warning tone should sound,
6. Place the active call on hold and answer the call that is waiting.
7. Complete the incoming call and hang up.
8. Retrieve the call on hold.
9. Complete the call and hang up.
Call Forward No Answer
Call Forward No Answer and Second Level Forward No Answer forwards an unanswered call
to a Call Forward No Answer Directory Number (DN) after a predetermined number of rings.
This feature is enabled at the TSP level when defining the ISDN BRI DN. Both the external
and internal Call Forward No Answer features are configured at the DSL level using LD 27.
The call can be specified to be forwarded to the attendant, to an assigned hunting DN, or to a
flexible Call Forward No Answer DN by using LD 15.
When a call originated by an ISDN BRI terminal is forwarded to a predetermined DN specified
in LD 15, the display on that ISDN BRI terminal is not updated to indicate a call modification.
Performing a Call Forward No Answer test
1. Set the FEAT parameter to FNA and SFA to enable Call Forward No Answer and
2. Specify the attendant as the forwarding DN using LD 15. At the FNAL prompt, enter
3. From an ISDN BRI terminal, place a call to the ISDN BRI terminal with the enabled
4. Do not answer the call. After a predetermined number of rings, the call is forwarded
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ISDN Basic Rate Interface Installation and Commissioning
terminal and establish another active call connection. Both B-channels on the DSL
are now busy.
Note:
Only two ISDN BRI terminals may be on the same DSL to allow them to connect.
The other two ISDN BRIs are on a different DSL.
hunting.
indicating that a call is waiting.
Second Level Forward No Answer. (SFA is needed only to test two levels of Call
Forward No Answer.) Use LD 27 to specify these parameters when configuring the
TSP for one of the two voice ISDN BRI terminal DNs. See "TSP configuration
procedures" in Avaya ISDN Basic Rate Interface Feature Fundamentals
(NN43001-580).
ATT to specify forward to attendant. Refer to LD 15 in the Avaya Software Input
Output Administration (NN43001-611) for more details.
Call Forward No Answer feature and the specified call forward to attendant.
to the attendant. The display on the call-originating ISDN BRI terminal will not be
updated to indicate that the call is modified and forwarded to the attendant.
March 2011
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