1. Create a folder in Documents called 'CiscoJabber-ChatTranscripts'
2. Quite the Jabber Client
3. Run the following commands
cp ~/Library/Preferences/com.cisco.Jabber.plist ~/Library/Preferences/com.cisco.Jabber.plist.backup
defaults read com.cisco.Jabber ARXUserDefaultsChatTranscriptsDirectory
defaults write com.cisco.Jabber ARXUserDefaultsChatTranscriptsDirectory "~/Documents/CiscoJabber-ChatTranscripts"
defaults read com.cisco.Jabber ARXUserDefaultsDeveloperChatArchivePolicyKey
defaults write com.cisco.Jabber ARXUserDefaultsDeveloperChatArchivePolicyKey -int 1
defaults read com.cisco.Jabber ARXUserDefaultsShouldSaveChatTranscriptsKey
defaults write com.cisco.Jabber ARXUserDefaultsShouldSaveChatTranscriptsKey -bool true
defaults read com.cisco.Jabber ARXUserDefaultsShowCommHistoryInSeparateTabsKey
defaults write com.cisco.Jabber ARXUserDefaultsShowCommHistoryInSeparateTabsKey -bool true
4. Start the Jabber Client