This is the root of the JAIN implementation of SIP. Contains utility classes and implementatin of the provider and stack. Implementation of the headers is contained in header and implementation of the parser in the parser subdirectory. The stack contains the implementation classes for the stack. The StackImpl here implements the Jain SIP stack. The dialog and transaction implementations reside in the stack package. Additional Features (that are not required by the JAIN-SIP spec) and that can be enabled by properties specified when the SipStack is created:

Compatibility Note

JAIN SIP 1.1 is not backward compatible with JAIN-SIP 1.0. Here is a summary of the differences between JAIN-SIP 1.0 and JAIN SIP 1.1