Troubleshooting guide

Troubleshooting Guide
94
Features A to B
Table 26: Troubleshooting Features A to B
Feature Symptom Possible Cause Corrective Action
Add Held Unable to add a help call. Record-a-Call is enabled
on the phone. The
Record-A-Call prompt
takes precedence over the
Add Held prompt.
Disable Record-a-Call feature in
the Class of Service Options
form.
Unable to add a held call to
a conference call on hold.
Functionality not
supported.
None. Not supported on system.
Alpha Tagging Alpha tagging not present
on display phone for
incoming calls.
Not supported for trunk
type.
Only PSTN calls on the following
trunk types support alpha tagging:
LS Class, T1/D4, T1 CAS, T1 PRI,
T1 QSIG, E1 PRI, E1 R2, E1
QSIG, and E1 BRI.
Alpha Tagging entries not
programmed in Telephone
Directory form
Program alpha tagging entry for
external telephone number
Alpha Tagging not enabled
in System Options form.
Enable option.
Incoming signaling
indicates that the caller’s
identity is private.
None. Not supported.
Advice of
Charge
Not functioning. Attempting to implement
on non-European site.
None. Not supported in North
America. Only supported with the
Euro-ISDN (Euro-Standard
variant) and Euro-BRI protocols.
Carrier that provides the
ISDN services is not
delivering meter pulses for
all applicable ISDN links.
Contact carrier.
The specific variant of
Advice of Charge is not
supported by the system.
Refer to Advice of Charge in the
System Administration Tool
online help for a list of the
supported variants.
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