Vodafone's iVPN's is the leading mobile international VPN solution of its class. Vodafone's next challenge is to enhance iVPN with the full call management functionality of Wireless Office. This report contains insight and analysis of the product or service strengths and weaknesses, list of buying criteria and how the product or service fares in each category, and a comprehensive table of product or service metrics and specifications. This report is useful for purchasers who need to evaluate products, or as a source of competitive intelligence for vendors.