2N VoiceBlue Next v3.0 - Manual (Page 53)

Web Configuration Interface 3.4
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 Next STUN request (60-6553, 0=off) [s] – used for refreshing information on
the public IP address of 2N
® VoiceBlue Next. By editing this item you can
configure the frequency of queries sent to the STUN server.
Note
 In case the GSM gateway is located behind the NAT, make sure that the
NAT router routing settings for the appropriate ports (SIP, RTP, STUN) are
made. The integrated firewalls may affect VoIP calls too!
Tip
 Should there occur call errors (one-way audibility, connection errors, e.g.),
check the settings of all active elements on the VoIP call route. To detect
the problems quickly, you can test the Point-to-Point connection with a
software IP phone (SJ phone, e.g.) in your PC and use tracing by means of
a network analyser (WireShark –
www.wireshark.org e.g.) at the same
time.
 Refer to Subs. 4.2, p. 69 for easy tracing through 2N ® VoiceBlue Next.
Tones generated to VoIP
 Ring tone to VoIP – generate a ringing tone of your own, or transmit a real
ringing tone from the GSM/UMTS networks.
GSM basic parameters
Count of digits dialled from VoIP
 Minimum digits from VoIP - minimum count of digits to be dialled into GSM.
 Maximum digits from VoIP: maximum count of digits to be dialled into GSM.
 Wait for next digit [s] - timeout during which 2N ® VoiceBlue Next awaits
further digits dialled from VoIP to GSM.
Calls
 Relax timeout [s] - time interval between the end of the last call and the
beginning of the next call via one and the same GSM module (all incoming
and outgoing calls are rejected during this timeout). The recommended value
is 2 seconds. Do not change this setting unless absolutely necessary.
Bank holiday list
A list of dates to which the weekend routing mode should be applied in the
LCR table.
DTMF settings
The minimum delay between two identical DTMF characters received [s/100].
Tone detector settings
The GSM gateway can automatically detect user defined tones sent by the
GSM/UMTS network during call setup. In general, user defined tones are tones of the
number to be transmitted. Having detected such tone, the GSM gateway terminates