What is the most relevant reason that IP Office Support Services (IPOSS) should be proposed as an element of an Avaya IP Office TM solution?

What is the most relevant reason that IP Office Support Services (IPOSS) should be proposed as an element of an Avaya IP Office TM solution?
A . IPOSS remote diagnostics use Avaya SAL or SSL/VPN secure connections.
B . IPOSS is required with every IP Office solution.
C . IPOSS can be sold under wholesale and co-delivery models.
D . IPOSS includes 24×7 support.
E . IPOSS is sold only through authorized Avaya partners.

View Answer

Answer: D