GSM Gateway ETS-16G User
’s Manual
Shenzhen Etross Telecom Co.,Ltd
19
Duration
All the calls accumulated duration
Answered
The calls amount be answered
Call failure caused by
Sip
the amount of call failure due to the reason of SIP problem
Canceled
The caller side cancel calls amount
Timeout
The timeout failure calls amount
Negotiation failed
The GSM and SIP negotiation failure calls amount
Others
Other reasons leads to call failure calls amount
Call failed by GSM
The calls failed by GSM side reason amount
Busy
The calls failed by answer side busy reason amount
No answer
The calls failed by no answer reason amount
Error
The calls failed by error reason amount
System error
The calls failed by system error reason amount
4.3.3 CDR
CDR is the call details records,it records all the details of the call from which ports, call type (IP to
GSM or GSM to IP), call start time, durations, caller number, callee number etc .
Figure 4-3-3-1 CDR
