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Tone generated for incoming calls from GSM/UMTS
Dialtone – the dialtone type for GSM/UMTS incoming calls.
Ring tone – the ringing tone type for GSM/UMTS incoming calls.
Generate busy tone to GSM/UMTS – generation of the busy tone for call end.
Caution
If the
function is enabled, the length of the outgoing
Generate busy tone
calls billed by the GSM/UMTS operator increases
Error GSM/UMTS causes
Here you can set the ISDN release cause for the states mentioned below. The call
that meets the below mentioned requirements will be rejected with a user-
defined cause (the ISDN cause number will be transformed into a SIP code for
VoIP according to the table shown below).
Lack of digits in OVERLAP mode – the call will be rejected that fails to
meet the minimum digits requirement.
Restricted number prefix – the call will be rejected whose prefix has not
been found in any of the prefix lists.
Selected module / GSM group is not ready – the call will be rejected in
case no GSM module is available in the LCR–selected GSM outgoing group.
Selected module / GSM groups are not ready – the call will be rejected in
case no GSM module is available in the LCR–selected GSM outgoing
groups.
Cause translation
Here you can convert the release cause received from GSM/UMTS into another ISDN
release cause. The resultant ISN cause number will be transformed into a VoIP SIP
code as included in the table below:
Conversion table:
ISDN cause value
Description
SIP code
Description
1
Unallocated number
410
Gone
3
No route to destination
404
Not found
