2N VoiceBlue MAX v1.4 User Manual
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Sequence list – sequence of the above defined tones for detection.
Voice message detector settings
Minimum percent to match – set the match percentage range in which the voice
message is detected as identical with one of the voice messages recorded in the
section under index 30 - 37. The
Gateway control–>Voice messages
recommended value is 70-90%.
Voice parameters of GSM modules
Here you can set the voice level for the GSM modules in the GSM gateway.
Audio level DSP
Here you can set the voice level for calls in the signal processor of the GSM gateway.
Output audio level DSP [dB] – audio volume gain/loss to VoIP
Input audio level DSP [dB] – audio volume gain/loss to GSM
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.
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.
Caution
An excessively high volume may deteriorate the voice quality (distortion,
echo, etc.) and wrong DTMF detection!
Caution
If the
function is enabled, the length of the
Generate busy tone
outgoing calls billed by the GSM/UMTS operator increases