New BlackBerry phones may be the sexiest news to come out just ahead of RIM's Wireless Enterprise Symposium (WES) conference, but BlackBerry-maker RIM has also thrown a bone to business users of the virtual desk phone service Blackberry Mobile Voice System (MVS).
An upgrade to version 5 will let owners of enterprise BlackBerrys field calls to their office numbers over Wi-Fi in addition to the regular cell phone network. This is courtesy of the service's new-found support for SIP, a protocol for handling voice communications over the Web. Cisco's Unified Communications Manager provides the Wi-Fi-enabling muscle. The … Read more