2N VoiceBlue Lite - Manual v2.6 - Manual (Page 92)

• SIP Proxy (GSM->IP) – the IP address of the SIP Proxy
to which VoiceBlue Lite turns in the case of an incoming
GSM call.
• SIP Proxy (IP->GSM) – the IP address of the SIP Proxy
from which VoiceBlue Lite awaits outgoing GSM call
requests.
• SIP registrar – the IP address of the SIP registration
server.
• NAT firewall – the NAT firewall IP address.
• STUN server – IP address of the STUN server (Simple
Traversal of UDP through NAT’s (Network Address
Translation)), which is used for obtaining of public IP
address presented to Internet. It is useful to fill in this
field in case the VoiceBlue Lite is present in a private
network behind the firewall or NAT. Default port for
sending of requests on STUN is 3478.
• Next STUN server request [s] – for setup of time
period between two requests for public IP address
information.
Basic GSM parameters
Fig. 45 – Basic GSM Parameter Setting Window
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