Unique among access equipment vendors, RAD boasts a strong in-house commitment to multidisciplinary research and development. Technologies mastered include Ethernet, Gigabit Ethernet, IP, MPLS, routing; ATM; Frame Relay; E1/T1; E3/T3; SDH/SONET; ADSL, SHDSL, VDSL; Pseudo Wire (TDMoIP, CESoPSN, SAToP, ATMoIP), VoIP, precision clock synchronization; fiber optics; wireless; A-bis, A-ter optimization; interface conversion; voice compression: G.711, G.723.1, G.729A, proprietary very low bit rate compression; SFP, smartSFP, ASIC; and integrated management: SNMP, CORBA, vendor-customized descriptors. The depth and breadth of RAD's research and development capabilities enable the company to engineer standards-based, innovative products with incomparable flexibility and unequaled support for multiple service offerings.