... , and various application programs. The AR2200 supports various wired and wireless access modes, such as E1/T1, xDSL, xPON, CPOS and ... , and various application programs. The AR2200 supports various wired and wireless access modes, such as E1/T1, xDSL, xPON, CPOS ... , PPPoEoA client, NAT, Sub interface managementVoiceRTP, SIP, SIP AG, IP PBX/TDM PBX, FXO/FXS, VoIP/conference call3GCDMA 2000 EV-DO Rev A ...