User guide

3.2 Data Transmission Mode
3.2 Data Transmission Mode
You can make or receive calls using one of the following data transmission
modes:
• IP address
• H.323 telephone number
• Session Initiation Protocol (SIP) user name
H.323 Data Transmission
To make calls using the H.323 telephone number mode, configure the settings
as follows:
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1
Press to open the Setup screen, and select Network.
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2
Select Phone Number and enter a number.
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3
Set Network Preference to H.323.
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4
If an H.323 gatekeeper is available, select H.323 Settings.
a) Set Gatekeeper to On.
b) Fill the Address field.
c) If data transmission fails due to firewall restrictions, set H.460
Traversal to On.
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5
Select OK to save the new settings.
SIP Data Transmission
To make calls using the SIP user name mode, configure the settings as follows:
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