SmartNode 100 Series ATA User Manual
settings to the other account. Click the Apply button to save and apply the
change.
NAT traversal information (whether STUN is enabled, the STUN server address, and the STUN server port
•
identifier). STUN {Simple Traversal of UDP through NATs (Network Address Translation)} is a protocol for
assisting devices behind a NAT firewall or router with their packet routing.
Click the Enable check box to activate or deactivate STUN. Click the Apply
Note
button to save and apply the change.
Set User Header to Phone information. Click the check box to enable Set User Header to Phone to have the
•
device add a "user=phone" parameter to the SIP URI before sending a SIP INVITE request. This parameter
indicates the user part of the SIP URI (<user>@<sipserver>) the device is calling is a valid telephone num-
ber.(user name and password). Click the Apply button to save and apply the change
Bind T.38 RTP Port information. If you need to send fax messages using T.38 and want to always use the same
•
port number for transmitted and received T.38 packets, click the radio button to select Use Original RTP Port.
Otherwise, select Assign Port for Reinvite to have the device chooses a port randomly for T.38 after the re-invite
process. Click the Apply button to save and apply the change
SIP
6 • VoIP Settings
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