2N BRI Lite/Enterprise v1.8 User Manual

Page 64

Tone generated for incoming calls from GSM/UMTS

Dial tone – set the dial tone for incoming calls from GSM/UMTS.
Ring tone – set the ring tone for incoming calls from GSM/UMTS.
Generate busy tone to GSM/UMTS – enable busy tone generation for call
termination.

Error GSM/UMTS causes

Set the ISDN release cause for each of the below mentioned statuses. Every call
that meets any of the below mentioned requirements, will be rejected with a user
defined cause (the ISDN cause number will be translated to VoIP as a SIP code
as defined below).

Lack of digits in OVERLAP mode – any call that fails to meet the minimum
digits count requirement will be rejected.
Restricted number prefix – any call whose prefix is not included in any of
the prefix lists will be rejected.
Selected module / GSM group is not ready – a call will be rejected in case
there is no available GSM module in the selected (by LCR) outgoing GSM
group.
Selected module / GSM groups are not ready – a call will be rejected in
case there is no available GSM module in the selected (by LCR) outgoing
GSM groups.

Cause translation

The release cause received from GSM/UMTS can be converted into another ISDN
release cause. The resultant ISDN cause number will be converted into a SIP code
according to the table below:

Caution

If the

function is enabled, the duration of outgoing

Generate busy tone

calls billed by the GSM/UMTS provider will be extended!