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2N TELEKOMUNIKACE a.s., www.2n.cz
®
Voice parameters
First RTP port (even: 1024 – 65524)
– number of the first RTP port. The
number must be even as recommended.
Last RTP port (even: first RTP+10 – 65534)
– number of the last RTP port.
The number must be even as recommended. The recommended minimum range
of RTP ports should be 10.
Codec settings
detailed codec settings (G.711a/u, or G.729).
Codec priority
preferential speech codec setting:
Priority 1
Priority 2
Priority 3
IP addresses
SIP Proxy (IP / GSM)
IP address of the SIP Proxy from which
–
2N
®
awaits the GSM outgoing call requirements.
VoiceBlue Next
SIP Proxy (GSM / IP)
– IP address of the SIP Proxy to which
2N VoiceBlue
®
turns in the case of a GSM incoming call.
Next
SIP registrar
– IP address of the SIP registration server.
NAT firewall
– IP address for the NAT firewall.
STUN server
– IP address of the STUN (Simple Traversal of UDP through NATs
(Network Address Translation)) server for obtaining the public IP address under
which
operates in the Internet network. You are advised to
2N VoiceBlue Next
®
fill in this field if
operates in a private network separated
2N VoiceBlue Next
®
from the Internet using the NAT or firewall. The default port for sending requests
to STUN is 3478.
Next STUN request (60–6553, 0=off) [s]
– used for refreshing information
on the public IP address of
. By editing this item you can
2N VoiceBlue Next
®
configure the frequency of queries sent to the STUN server.
Tip
In case you keep the default values (0.0.0.0),
will
2N VoiceBlue Next
®
receive requests from any IP address.
Tip
You can use the domain name
for the
Registration domain (realm)
SIP
,
and
IP
proxy (IP
GSM)
/
SIP proxy (GSM
IP)
/
SIP registrar
addresses on condition that you complete the domain name
Registration
and set the
properly in the
domain (realm)
DNS server address
Web
section.The
and
configuration
Ethernet configuration
/
SIP proxy
IP addresses must be set to the default value (0.0.0.0).
SIP registrar
