A customer wants all employees to be able to communicate seamlessly with each other and external parties. Some of their employees are often on the road, or off-site.
Which application could you recommend for these users?

A customer wants to hear a secondary dial-tone when making outgoing calls.
Where is this function enabled?

You have just plugged in a new IP500 V2, and you look at its Dashboard display to see the new device. No telephones are plugged into the unit.
Why are two ports in one of the modules green?

A customer wants users to duplicate all of their Outlook contacts into the one-X Portal personal directory.
How would you recommend the users do this?

Refer to the exhibit.

You have configured enough SIP channels to carry the expected communications load, but users are reporting that sometimes they cannot call out and callers cannot get through.
Based on the information in the exhibit, what is causing the problem?