Hi Kevin (again

),
As I don't have logs from you, then you can compare with my working environment some things:
In your Resource Manager log, do you have entries similar to the following:
1) 2011-02-03 23:20:55.968 DBUG 00000000-00000000 4064 08500000 CCIMFGenericObject.cpp:794 utilAddTKVSection >> Read config kv pair [b](gvp.general.default-application=DefaultIVRApp)[/b].
2) 2011-02-03T23:20:56.374 Std 20141 NOTE 00000000-00000000 4064 0940040B convertToTenantObject >> [b]set Default IVR Profile [DefaultIVRApp][/b]
This second line is mandatory to exist somewhere in RM log so "GVP" knows which is the default IVR profile and not drop you all the time the "Matching IVR ...not found...".
Also, in your SIP Server log, does your entry for the VoIP Service look like the following:
01:57:02.343:(1) DN 'GVP_PlayAppButton',29, 2 changed
[118] dn = 'GVP_PlayAppButton' [b]type = VoIPService[/b] xtype = DN cfgtype = 29 [b]contact = '192.168.204.138:5060' [/b][b]service-type = 'application'[/b]
01:57:02.343:(1) dn = '[b]GVP_PlayAppButton' [TServer]: contact = '192.168.204.138:5060' service-type = 'application'[/b]
I assume also that you have created correctly the Resource Groups in GA Wizard (for MCP, GW and possibly CCP).
Which versions of Genesys components you have? You mentioned GVP 8.1, but which exactly? For example, depending always on the exact version, you might need (or not) to create manually connections between RM and managed resources. In other versions they are created automatically and in others they are needed only for specific reasons.
If you have version 8.1.2 and later then are you sure that you have framework 8.0.2/8.0.3 + SIP Server 8.0.3 or later (ok, I've played with it with much older versions but officially is not supported and you never know if the issue is there, especially if you ever use HMT environments). Finally, make sure that the sequence you start components is always SIP Server, then RM and then MCP/CCP.
If you have all the above then I suspect there is possibly any "typo" error somewhere in your configuration (like [b]"Contact"[/b] instead of [b]"contact"[/b], or any extra spaces in the end of any option like [b]"contact "[/b] instead of [b]"contact"[/b])?
Last resort of course is to raise SR with Genesys Support

Kind Regards,
IF