ISDN ANALYZER D1080 - messkom.de

ISDN ANALYZER D1080 USER’S MANUAL REV. 5
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CONNECT, symbol of hooking off
According to the signaling protocol, the instrument checks the
regular sending of the messages and automatically eliminates the
functional buttons of the messages which can no longer be sent.
For instance, if ALERTING is immediately sent, the instrument will
no longer display the CALL PROCEEDING message. The functional
buttons are ordered from left to right for correct sending.
The Num= and Sub= fields show the CALLING NUMBER and/or
CALLING SUBADDRESS information elements sent by the terminal,
if any.
For a further verification of the tested terminal, in the active state,
every fifteen messages the instrument sends a message with
taxation and the DISPLAY information element with the test string
“TEST RX DISPLAY I.E.”.
16.2.3.2. Outgoing calls
In case of configuration with AUTOMATIC TEI (only BRA), the
instrument sends a SETUP message in broadcast and manages the
procedure to request and assign the TEI. Otherwise it sends a
point-point message with the TEI value chosen in the
CONFIGURATION page. The information elements according to the
setup set for the test are contained in the outgoing SETUP
message.
The operator can set a number and subaddress used as “number
to call” in the Num: field and “subaddress to call” in the Sub:
field to test multinumber configuration and/or with subaddress.
The call is accepted only if the terminal is compatible with the
generated SETUP. Once in active state, the CONNECTED NUMBER
CHAPTER 16. ISDN TERMINAL TEST