Samsung SGH-I997ZKAATT - Manual (Page 108)

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Important!: Some Bluetooth devices are secured and require a PIN number to
confirm and pair with them.
3. Enter a PIN to pair with the device, if one is required, and
tap OK.
Tethering & portable hotspot
This option allows you to share your phones’s mobile data
connection via USB or as a portable Wi-Fi hotspot.
Important!: A Tethering/Mobile Hotspot is required to use this service. Please
go to www.att.com/myWireless or dial 611 if you do not already
have this service provisioned.
1. From the Home screen, tap ➔ Settings ➔ Wireless
and network ➔ Tethering.
2. Tap USB tethering to add a checkmark and activate the
feature.
VPN settings
The VPN settings menu allows you to set up and manage Virtual
Private Networks (VPNs).
Important!: Before you can use a VPN you must establish and configure one.
Adding a VPN
Before you add a VPN you must determine which VPN protocol to
use: PPTP (Point-to-Point Tunneling Protocol), L2TP (Layer 2
Tunneling Protocol), L2TP/IPSec PSK (Pre-shared key based
L2TP/IPSec), or L2TP/IPSec CRT (Certificate based L2TP/IPSec).
1. From the Home screen, tap ➔ Settings ➔ Wireless
and network ➔ VPN settings.
2. Tap Add VPN.
To establish a PPTP (Point-to-Point Tunneling Protocol):
1. Tap Add PPTP VPN.
2. Tap VPN name, add a name for this connection using the
keypad, then tap OK.
3. Tap Set VPN server, add a name using the keypad, then tap
OK.
4. Tap Enable Encryption to make a checkmark (if desired).
5. Tap DNS search domains, add a name for DNS search using
the keypad, then tap OK.
To establish a L2TP (Layer 2 Tunneling Protocol):
1. Tap Add L2TP VPN.