MSFT Certifies Interoute's SIP Trunking

LONDON -- Microsoft has certified Interoute as the first European service provider to supply Session Initiation Protocol (SIP) trunking for Microsoft Office, and thus enabling business-class unified communications to compete directly with Skype for corporate users. Enterprises looking to benefit from business quality VoIP can now use Interoute One to make free computer to computer calls and dramatically cheaper telephone calls from and to virtually any communications device. Businesses can also avoid international roaming charges on all other calls, enabling international communication at a fraction of the price of traditional telephony.

Angela Salmeron, Research Manager, European Telecoms Group, IDC, commented: "Interoute’s SIP Trunking solution for enterprises is unique in its ability to connect OCS users to the PSTN. What makes it stand out from other managed VoIP services is its flexibility. Enterprises looking for a secure and cost effective way to migrate to VoIP should look to Interoute One as one of the best voice solutions available today."

Microsoft Corp. (Nasdaq: MSFT)