2N VoiceBlue Next v3.1 User Manual

Page 47

2N TELEKOMUNIKACE a.s., www.2n.cz

Caution

If the

function is enabled, the length of

Generate busy tone

the outgoing 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: