Samsung SPH-M900 User Manual (user Manual) (ver.f15) (English) - Page 147

To turn Call Guard on or off: 1. Press > and tap Settings > Wireless controls > Mobile networks. 2. Touch Call Guard to toggle the active state of this function. When active, an extra key press is required for dialing when in a roaming area. Note: Call Guard is turned on by default on your device. Voice dialing and speed dialing are not available when you are roaming with Call Guard enabled. To place roaming calls with Call Guard on: 1. From standby mode, dial 1 + area code + the seven-digit number and tap 1234567 . 2. Touch OK. To answer incoming roaming calls with Call Guard on: 1. Tap 1234567 . (A message is displayed notifying you that roaming charges will apply.) 2. Tap OK. Note: If the Call Guard feature is set to On, you need to take extra steps (such as dialing 1 + area code) to make and receive roaming calls. Data Roam Guard Depending on service availability and roaming agreements, your device may be able to access data services while roaming on certain digital systems. You can set your device to alert you when you are roaming off the Nationwide Sprint Network and try to use data services such as messaging. Note: Data Roam Guard is turned on by default on your device. To set your Data Roam Guard notification: 1. Press > and tap Settings > Wireless controls > Mobile networks. 2. Tap Data Roaming Guard. 3. Tap an onscreen option. Ⅲ Default sets your device's Data Roam Guard feature to its default state (Always Ask). Ⅲ Always Ask sets your device's Data Roam Guard feature on. You will see a prompt and are required to respond anytime you access data services while roaming. Sprint Service 3A. Sprint Service: The Basics 135