Global vendor strategies - 16/01/07

Avaya will buy Ubiquity, a company focused on software for SIP-based applications development, for $144m.

Arris is offering $1.2bn in cash (83%) and stock (17%) for video encoding expert Tandberg TV. It is buying its way into the video processing and IPTV supply chain with this deal.

Crown Castle has completed its merger with Global Signal for about $5.8bn.