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diff --git a/libraries/GSM/GSM3MobileAccessProvider.h b/libraries/GSM/GSM3MobileAccessProvider.h
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+++ b/libraries/GSM/GSM3MobileAccessProvider.h
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+/*
+This file is part of the GSM3 communications library for Arduino
+-- Multi-transport communications platform
+-- Fully asynchronous
+-- Includes code for the Arduino-Telefonica GSM/GPRS Shield V1
+-- Voice calls
+-- SMS
+-- TCP/IP connections
+-- HTTP basic clients
+
+This library has been developed by Telefónica Digital - PDI -
+- Physical Internet Lab, as part as its collaboration with
+Arduino and the Open Hardware Community. 
+
+September-December 2012
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+The latest version of this library can always be found at
+https://github.com/BlueVia/Official-Arduino
+*/
+#ifndef _GSM3MOBILEACCESSPROVIDER_
+#define _GSM3MOBILEACCESSPROVIDER_
+
+enum GSM3_NetworkStatus_t { ERROR, IDLE, CONNECTING, GSM_READY, GPRS_READY, TRANSPARENT_CONNECTED};
+
+class GSM3MobileAccessProvider
+{
+	public:
+		// Access functions
+		//Configuration functions.
+		/** Establish GSM connection
+			@param pin			PIN code
+			@param restart		Determines if hardware restart
+			@param synchronous	Determines sync mode
+			@return If synchronous, GSM3_NetworkStatus_t. If asynchronous, returns 0.
+		 */
+		virtual inline GSM3_NetworkStatus_t begin(char* pin=0,bool restart=true, bool synchronous=true)=0;
+		
+		/** Check network access status
+			@return 1 if Alive, 0 if down
+		*/
+		virtual inline int isAccessAlive()=0;
+		
+		/** Shutdown the modem (power off really)
+			@return true if successful
+		 */
+		virtual inline bool shutdown()=0;
+		
+		/** Get last command status
+			@return returns 0 if last command is still executing, 1 success, >1 error
+		 */
+		virtual int ready()=0;
+};
+
+#endif
+\ No newline at end of file