Use this procedure for extensions associated with the voice messaging system.
If the voice messaging system transfers a call to an extension that does not
answer and does not have coverage, the communications system transfers the call
to the designated Transfer Return Extension. The call rings at this extension
until it is answered. Typically, the Transfer Return Extension is the receptionist's
extension, or extension 10.
To assign extension 10 (or other extension) as the Transfer Return Extension
for PARTNER Messaging extensions: