GrandCentral's Web services allow users to integrate all of their existing phone numbers and voice through one simple interface.
In its blog post, Google said, "We think GrandCentral's technology fits well into Google's efforts to provide services that enhance the collaborative exchange of information between our users."
GrandCentral's Web services complement existing phone services. For instance, users with multiple phone numbers can get one phone number programmed to ring all/some/none of the numbers, depending on who is calling.
The services also feature a central voice mailbox, where calls can be recorded and then accessed online or from any phone, as well as forwarded to other phones.