Updates for file src/i18n/sip_i18n.properties in zh_CN#29

transifex-integration[bot] wants to merge 3 commits into

mainigniterealtime/openfire-sip-plugin:mainfrom

translations_9fd5b05f8221a66ad029d576b4f8856f_zh_CNigniterealtime/openfire-sip-plugin:translations_9fd5b05f8221a66ad029d576b4f8856f_zh_CNCopy head branch name to clipboard