It has come to my attention that Avaya often hides functionality in a registry entry. I'm going to keep a list here. As I learn more I will add them. Feel free to comment any that you have tucked away under your cap!
Maximum UMS Users (166 by default):
Under HKEY_LOCAL_MACHINE/SYSTEM/CurentControlSet/Services/MSExchangeIS/ParametersSystem, add a new key
MaxObjsPerMapiSesion. Under the new key, create a new DWORD Value objtMesageView, and set the value to three times the required
users. For example, to support 500 users, set the value to 1500.
SIP Line Template:
In IP Office 9.1 the option for SIP Line Templates was included out of the box. In 7.0 and up the option is still there, but it's hidden. There is a two-part step to enable this:
Navigate to File --> Preferences on the IP Office Manager and select the Visual Preferences
tab. Check the Enable Template Options box.
Under HKEY_CURRENT_USER/Software/Avaya/IP400/Manager and add a DWORD value
TemplateProvisioning and set its value to 1. Reboot the server hosting the IP Office
You can now generate a SIP Trunk template