mms-release-process.txt

mvn release:prepare -P maven-release -Dmaven.test.skip=true -DdevelopmentVersion=3.2.0-SNAPSHOT -DreleaseVersion=3.0.0.FINAL -Dtag=3.0.0.FINAL
mvn release:perform -P maven-release -Dmaven.test.skip=true -DmavenExecutorId=forked-path   //Use forked-path option otherwise the artifact signing process will hang forever

Check notes:
1. http://code.google.com/p/jain-sip/wiki/PerformRelease
2. https://docs.sonatype.org/display/Repository/Sonatype+OSS+Maven+Repository+Usage+Guide#SonatypeOSSMavenRepositoryUsageGuide-7b.StageExistingArtifacts
3. http://www.sonatype.com/people/2010/01/how-to-generate-pgp-signatures-with-maven/

Login in https://oss.sonatype.org/index.html, click staged repositories, then click close button. after repository is closed, click release button.