Revision: Sec/Para Changed Change Made: Date A (Ver. 1.0) N/A Initial Issue of Document 08/04/2015 B (Ver. 1.1) 5.0 Form Compatibility with IX Mobile, priority improvements 10/12/2015 C (Ver. 1.3) 5.0 Form Fixed issue with call durations, improved audio setting definitions in web interface 3/7/2017 D (Ver. 1.5) 5.0 Form Fixed issues with transfers. Fixed occasional audio silence issue with IX-MV7. Fixed issue detecting call disconnect from On Hold state. 6/10/2019 E (Ver. 1.51) 5.0 Form Fixed issue with early communication timeout when master calls station. Fixed early paging timeout. 10/03/2019 F (Ver. 1.6) 5.0 Form Fixed issue with incoming calls from IX-SOFT, included modified version of IX-SOFT (only supports default setting Main setting for h.264 for IX Video stations). Fixed Communication Transfer after Call Transfer. 11/4/2021