1<body> 2NIST-SIP Specific support for IMS headers contributed by Jose Miguel 3Freitas (Aveiro University, Portugal) and Alexandre Miguel Silva 4Santos (PT Inovacau, Portugal). It is not part of the JAIN-SIP 1.2 5specification. Questions about the IMS Support in NIST-SIP 1.2 can be 6directed to Miguel Feitas <a23875@gmail.com> or the NIST-SIP mailing 7list. To acccess these headers you have to cast the HeaderFactory to 8HeaderFactoryImpl. This package has been contributed to the public 9domain. 10</body> 11