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3.2 Data Transmission Mode
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1
Press to open the Setup screen, and go to Network.
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2
Select User Name and enter a name. In SIP you can use both name and
number in URI for dialing.
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3
Set Network Preference to SIP.
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4
Select SIP Settings.
a) Set SIP Proxy Server to On.
b) Fill the Display Name, Server Address, and Password fields.
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Select OK to save the new settings.
H.323 and SIP modes cannot be used at the same time. To change the
current H.323 mode to SIP, set Network Preference to SIP.
NAT Traversal
You can make or receive a call while being connected to ADSL or Cable router
from home or office. The system will use Network Address Translation from
internal IP to External IP. The system will use external HTTP server to dis-
cover the external IP to be used.
The external IP could be changed without note by Internet Service
Provider.
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1
Press to open the Setup screen and go to Network.
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2
Select and open NAT Traversal.
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