74SettingsSetting VPN settings1. Tap Settings > Wireless & networks > VPN settings > AddVPN.2. Tap Add PPTP VPN, Add L2TP VPN, Add L2TP/IPSec PSKVPN or Add L2TP/IPSec CRT VPN.3. Set up the network by entering necessary information.Setting mobile networks1. Tap Settings > Wireless & networks > Mobile networks.2. Tap Data Services to allow access to data over mobilenetwork.3. Tap International Data roaming to connect to dataservices when roaming and tap OK.Note You may incur significant roaming charges.4. Tap Access Point Names and tap the desired access pointnames to edit. You can add a new APN by pressing Q andtapping New APN.Call settingsFixed dialing number is a service that limits your access tospecific numbers recorded on the SIM.Managing fixed dialing numbers1. Tap Settings > Call settings > Fixed Dialing Numbers.2. Tap Enable FDN, Change PIN2 or FDN list.3. Enter necessary information.Setting your voicemail1. Tap Settings > Call settings > Voicemail settings >Voicemail number.2. Enter the voicemail number or tap and select a contactto designate as the voicemail number.3. Tap OK.Note It is highly recommended to use the default voice mail number.Setting Auto Redial1. Tap Settings > Call settings > Auto Redial.Setting TTY modeThe teletypewriter (TTY) is a telecommunications devicethat allows people who are deaf or hard of hearing, or whohave speech or language disabilities, to communicate via atelephone.1. Tap Settings > Call settings > TTY mode.2. Tap TTY Off, TTY Full, TTY HCO or TTY VCO.3. Tap OK.Note Make sure to connect a headset to the phone after selectingone of the TTY modes. Then, you can use the TTY function.