14.5
Malicious Call Tracing
If being disturbed by bothersome or malicious external incoming calls, it is
possible to request number tracing from the network provider. Tracing can
be invoked during or after an ongoing conversation. The external line can
be held for a limited period of time.
14.5.1
Order
To order call tracing during an ongoing conversation, do the following:
1. Press R.
Wait for dial tone.
2. Press *39#.
The system acknowledges with different tones whether the tracing
request was accepted or rejected.
14.6
Direct Inward System Access (DISA)
If you are assigned to use the DISA function, and you are working
externally, you can call your office and get access to an external line in
order to make business calls. Business call will be charged your office
extension number or an account number. You will just be charged for the
call to the office. The external phone must be of push button type provided
with the keys # and *, or a mobile phone adapted for dial tone pulses
(DTMF).
After a completed DISA call you must hang up before a new DISA call can
be made. Depending on the type of authorization codes and account
codes, different procedures are used. These are presented in the following
sections.
14.6.1
Common Authorization Code
When using a common authorization code, do the following:
1. Call the DISA function at your office.
Wait for dial tone.
2. Press *72*.
Note:
Germany, The Netherlands, and Sweden, press *75*; North
America, press *6*
3. Dial the Authorization Code and press #.
Wait for dial tone.
4. Dial the external number.
1424_EN_LZT103087.doc Rev B2 2009-09-11
©
Copyright Aastra Telecom Sweden, 2009.
All rights reserved.
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