Onecall Solutions Limited is the provider of unified business communications solutions for contact center automation, enterprise IP telephony, and business process automation. Onecall has been the elite partner of global market leader 'Avaya' , ‘Interactive Intelligence Inc.’ , 'Globitel' and Drishti Soft . Onecall is the partner of Digium, Sangoma,Polycom,AddPac & Xorcom for IP telephony products and also the partner of Plantronics, Accutone & MicroTel for the best quality headsets for contact center industry. Onecall provides also design, implementation, and support services. Follow OSL on twitter @Onecall_Sol_Ltd