The function of the private line eliminates the possibility of someone other than you reviewing your call details, from phone sets, which have the shared extension, additionally no one can monitor your call or connect to you call.
What is Google Talk, you ask? In short, this feature of Google is the year 2012’s answer to instant messaging services. It takes the idea associated of online text messaging, and has updated them to include a variety of other aspects, all with one goal in mind: to make the user’s life easier. Imagine a Talk outlet that allows you to chat and share whatever is on your mind, and also fuses together concepts made popular by VOIP and SIP technologies, and you have a good starting overview on the innovative technology Google Talk provides.