Provides APIs for utilizing GSM-specific telephony features, such as text/data/PDU SMS messages. more...
| GsmCellLocation | Represents the cell location on a GSM phone. |
| SmsManager | Manages SMS operations such as sending data, text, and pdu SMS messages. |
| SmsMessage | A Short Message Service message. |
| SmsMessage.SubmitPdu | This class represents the encoded form of an outgoing SMS. |
| SmsMessage.MessageClass | SMS Class enumeration. |