True Tech Enterprises. The Yeastar TA1610 Analog FXO VoIP Gateway has the following features: • Ports: 16 FXO Ports • Telephony Interfaces: RJ11 and RJ21 50-pin Telco Connectors • Network Interfaces: 1 x 10/100Base-T Ethernet • Protocol: SIP (RFC3261), IAX2 • Transport: UDP, TCP, TLS, SRTP • Codec: G.711 (alaw/ulaw), G.722, G.723, G.726, G.729A, GSM, ADPCM • Voice Capability: ITU-T G.168 LEC Echo Cancellation, Dynamic Jitter Buffer, VAD, CNG, PLC • DTMF Mode: RFC2833, SIP Info, In-band • Fax: T.38 and Pass-through • QoS: DiffServ, ToS, 802.1 P/Q VLAN tagging • Network: DHCP, DDNS, OpenVPN, PPPoE, Static Route, VLAN • Network Protocol: FTP, TFTP, HTTP, HTTPS, SSH • Management Protocol: RADIUS, TR-069* • Signaling: FXO Loop Start, FXO Kewl Start • Caller ID: BELL202, ETSI (V23), NTT (V23-Japan), and DTMF-based CID • FXO Connectivity: Programmable AC Impedance, Hangup Detection, Answer Detection, Caller ID Detection • Disconnect Methods: Busy Tone, Polarity Reversal • Power: AC 100-240V (12V 5.5A) • Humidity: 10-90% non-condensing • Storage Range: -20°C to 65°C, -4°F to 149°F • Operation Range: 0°C to 40°C, 32°F to 104°F • Mounting: Desktop, Rack-mount • Compatibility: Interoperable with 3CX, Asterisk, Lync Server, FreePBX and certified with Elastix and BroadSoft