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How does a SIP call session can establish between two SIP mobiles?

April 26, 2017mobiles session SIP

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How does a SIP call session can establish between two SIP mobiles?

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A sip call session between two mobiles establishes as follows: The calling mobile sends “invite ” The called phone sends an information response “Trying” back When the called phone starts ringing a response “Ringing” is sent back When the caller picks .. • How to find the drives/ roots present in mobile using JSR 75 FC For finding the number of drives present in the mobile one needs to use the FileSystemRegistry class. FileSystemRegistry class contains listRoots() method. This method returns the currently mounted root file systems on a device as String objects in an Enumeration. If there are no roots a..