With NumberSync, you can use your smartphone number to make and receive calls on your tablet. Use the same number your friends, family, and colleagues already know. NumberSync even works if your smartphone isn’t with you, nearby, or powered on.
*Data rates may apply. Texting requires use of the AT&T Messages app.
To use NumberSyncSM for tablets, you need an AT&T HD Voice enabled smartphone. Visit att.com/hdvoice for more information and a list of devices that support AT&T HD Voice.
To use video calling on your tablet, you need a smartphone that supports AT&T Video Call.
Select Shop now to see if your tablet supports NumberSync or to purchase a compatible tablet.
NumberSync for Compatible Android Tablets: Voice calling requires smartphone on AT&T postpaid wireless account & set up for HD voice. Video Calls: Must have video call capable smartphone to make/receive video calls on tablet using NumberSync. Device Limit: Sync up to 5 tablets. Voice Charges: Calls to international numbers using NumberSync are subject to international rates consistent with smartphone’s rate plan or international package. See https://www.att.com/offers/international.html for information on pay-per-use rates and available packages for international calls from the U.S. and for roaming when traveling abroad. Data Charges: When tablet is not connected to Wi-Fi, voice & video calls sent/received using NumberSync count as data, & data usage rates will apply—this includes standard data rates in the US, Puerto Rico and USVI and international roaming data rates when traveling abroad. 911 Calls. If you cannot be located using location information obtained from your tablet, 911 calls will be routed based on the address you provide in the NumberSync settings of your tablet. 911 calls are not supported outside the US, Puerto Rico, or USVI. 911 Calling with TTY & Real-Time Text : Due to technical limitations, NumberSync cannot be used with TTY devices and cannot support 911 calls over TTY devices. Persons with communications disabilities can use Real-Time Text (www.att.com/RTT) as an alternative. 911 services can be reached by either: (1) calling 911 using Real-Time Text or (2) calling 911 directly using a TTY over the cellular network or from a landline telephone, or (3) sending a text message to 911 directly (in areas where text-to-911 is available) from a wireless device, or (4) using relay services to place a TTY or captioned telephone service (CTS) call from a wireless phone over the cellular network or from a landline telephone, or (5using relay services to place a IP Relay or IP CTS call over a cellular data or other IP network. Additional restrictions: NumberSync cannot be used to initiate calls to 211, 311, 511, or 811. Not compatible with Smart Limits, Ringback Tones, Unified Messaging, OfficeDirect, or OfficeReach. Additional Information: See FAQ elsewhere on this page.
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