You truly are incredible my friend, please take note of not only...

You truly are incredible my friend, please take note of not only the dates, the titles and the status of each of these. Which one pertains to their patent over visual voicemail?

	Patent Number	Title	Type	Status	Filing Date
1	AU2015249048	A System, Method, Computer Program and Data Signal for the Re-Routing of Enterprise Voice Traffic	Standard	FILED	2015-10-27
2	AU2013202735	Determining Effects on Communication Signals	Standard	GRANTED	2013-04-05
3	AU2013200960	A System, Method, Computer Program And Data Signal For The Re-Routing Of Enterprise Voice Traffic	Standard	LAPSED	2013-02-20
4	AU2012283687	Method and device for configuring a communication system	Standard	GRANTED	2012-07-13
5	AU2012283686	Method, device and system for determining topology of a wireless communication network	Standard	ACCEPTED	2012-07-13
6	AU2012248121	Communications	Standard	GRANTED	2012-04-27
7	AU2011902814	Method and Device for Configuring a Communication System	Provisional	LAPSED	2011-07-14
8	AU2011902807	Method and System for Determining Topology of a Wireless Comminication Network	Provisional	LAPSED	2011-07-14
9	AU2011901585	Communications	Provisional	LAPSED	2011-04-29
10	AU2002245928	Minimising signal interference within a wireless network	Standard	LAPSED	2002-03-28
11	AU2002244514	A wireless communications network	Standard	LAPSED	2002-03-28
12	AU2002244504	Method for determining placement of base stations in a wireless network	Standard	LAPSED	2002-03-27
13	AU2002242483	Method for determining base station topology in a wireless network	Standard	LAPSED	2002-03-27
14	AU2001pr4058	Method for determining handoff sequencing within a localised network	Provisional	LAPSED	2001-03-28
15	AU2001pr4057	System and method for determining the position of a mobile terminal in a wireless network	Provisional	LAPSED	2001-03-28
16	AU2001pr4056	Method for determining base station topology in a wireless network	Provisional	LAPSED	2001-03-28
17	AU2001pr4055	Method for performing handoff between mobile terminals in a pico -cellular network	Provisional	LAPSED	2001-03-28
18	AU2001pr4054	Minimising signal interference within a wirless network	Provisional	LAPSED	2001-03-28
19	AU2001pr4053	Minimising signal interference within a wireless network	Provisional	LAPSED	2001-03-28
20	AU2001pr4052	Method for determining placement of base stations in a wireless network	Provisional	LAPSED	2001-03-28

Also, if you do want to see some patents pertaining to visual voicemail here's a good start: https://patents.google.com/?q=visual voicemail&oq=visual voicemail

I believe there is very little stopping someone creating nearly the exact same platform as Norwood have which is why I see little value in their current position completely backing their voicemail product. IMO