Air Serbia, the national airline of the Republic of Serbia providing scheduled, seasonal and charter flights to over 70 destinations, has formed a strategic alliance with DIDWW, a global telecoms operator offering premium quality VoIP and SMS communication services for businesses. The Serbian airline is using DIDWW two-way SIP trunking for its corporate communications, along with the Avaya Aura® Communication Manager.   This partnership with DIDWW allows Air Serbia to expand its local and international communications by using the powerful DIDWW SIP trunking service. This solution offers virtually unlimited call capacity, flexible VoIP trunk configuration options, and truly local premium quality calling. The two-way SIP trunking service enables the airline to access the PSTN in more than 80 countries, providing the company with an extended global reach and a high standard of reliability and availability, as well as access to local routes with guaranteed CLI (Calling Line Identification).   “As…