Aethra d2000 lite User Manual

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USER’S MANUAL                                                                                 ISDN TESTER AND ANALYZER D2000
PRO
/D2000Lite/D2000 
 
 
This allows to check the implementation of the Overlap Sending 
(DDI) state at the remote interface. 
1  
An incoming call is received. The START key changes to 
ANSWER 
 
Sends the CALL PROCEEDING message 
 
Sends the ALERTING message 
 
Sends the CONNECT message and connects the B 
channel 
 
The protocol is in Master mode by default when the instrument is 
configured as NT1-S or NT-E1. 
3.4.4.  Checking the Supplementary Services 
Use the SUPPLEMENTARY SERVICES function to check the various 
supplementary services available over the ISDN access. Depending on the call 
status, you can activate, deactivate or check each supplementary services.  
Select the Supplementary Services page. 
 
CHAPTER 3 - PERFORMING A MANUAL TEST 
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