Deskmaster – Topcom DESKMASTER 520 User Manual

Page 45

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45

Deskmaster

• Select the menu entry to AB port

• Select the required service type

• Select the required service type

• Select the required service type

• Select the required service type

To set the analogue device as
fax Gr2/Gr3 select ‘fax’.

IMPORTANT : Changing the type of call of the analogue device can make it impossible to call certain numbers. Normally

it should be set to ‘Tel_speech’ for a normal telephone or ‘Fax’ for analogue fax device.

16 TROUBLESHOOTER

Symptom

Cause

No function

Mains failure. Check if the power supply (220V) of your NT1 box
is connected.

Error in the line connectors.

No display

NT1 box in emergency mode operation (mains failure).

No ringing

“Quiet” or “Call Filter” programmed.

An available function

Repeat the entry, possibly operational malfunction.

cannot be used

Feature is not enabled by the ISDN provider. Consult your provider.

Your partner cannot

The Mute function is switched ON ( key during connection).

hear you
No calling partner

Call is not originated from an ISDN access.

number display

Calling partner number suppression is switched ON.

No new connection

Allowed time expired.

at “Call pickup”

Wrong connection code entered at pickup attempt.

The phone displays an

The number in brackets is a cause number according to the ISDN

error message such as

protocol specification in Q.931, given as hexadecimal value. In some

<01> wrong MSN

cases, this may be caused by an ISDN feature not yet available in the
exchange or a network feature not yet available in the phone. This may
be the case if the phone is connected to a PABX with different feature
sets. Contact your supplier about the cause number or see the cause
list appended.

350

AB port

AB port
341

settings

Settings
340

service

Service

(Tel_speech)

Tel_speech

Service

(Tel_speech)

Tel_Audio 3.1kHz

Service

(Tel_speech)

Fax

Service

(Tel_speech)

Unspecified

HL_DM5201_GB.qxd 16-04-2003 13:25 Page 45

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