A recent study revealed that 84 percent of IM interactions turn into or are escalated to voice or telephone interactions at least once or twice per week.
Now employees come to companies with their own smartphones and tablet computers and they want to connect to their work seamlessly through these devices.
This article describes the steps taken by Office Communicator to establish a Communicator call between an OC client sitting on a typical home network, connected to the Internet using a NAT router and another OC client placed on the company's internal network.
The Call Voice Mail option from Communicator's Phone UI (see Figure 9) allows the user to manage the UM mailbox, change greetings, and so forth without having to enter the PIN because he is already authenticated.