D-Link DPH-15MS User Manual
Section - Configuration
NAT Traversal Settings
Simple Traversal of User Datagram Protocol
through Network Address Translators is a
protocol that allows applications to determine
the types of NATs and firewalls that are in
between them and the internet. STUN also
provides the ability for applications to determine
the public IP addresses allocated to them
b y
the NAT.
Enter the STUN domain name or IP address if
STUN is enabled.
E n a bl e o r d i s a bl e t h e s e t t i n g s fo r
configuring the user defined exter nal
I P
address and port number.
Select whether you want to use the STUN
server to get the external IP address or use
UPnP to get the external IP address.
Displays the External SIP port number.
Displays the External media port number.
Enable or disable universal plug and play devices. Some NAT supports UPnP so STUN is not required and must be disabled.
STUN:
STUN Domain
Name/IP Address:
User Defined
External IP/Port:
External IP
Address:
External SIP Port:
External Media
Port:
UPnP:
NAT traversal is a challenge that all Service Providers looking to deliver public IP-based voice service must solve.
The challenge is to provide secure connection to subscribers behind NAT (Network Address Translation) devices and
Firewalls. This IP Phone implements NAT traversal function for solving the Firewall and NAT traversal problems.
Summary of Contents for DPH-125MS - VoiceCenter VoIP Phone
Page 1: ......
