Many of our products are recognized as leading solutions by the world's most popular manufacturers and vendors of communication equipment. RSI is an active Nortel Developer Partner with recognition for its core portfolio as Compatible Products. RSI is a Cisco Technology Partner, Siemens HiPath Ready Standard certified, Avaya DeveloperConnect Member, Mitel MiSN Member, Adtran Complementary Solutions Provider, ShoreTel Technology Partner, NEC Univerge Partner and Alcatel Applications Partner.