| Models | TA410 | TA810 | TA1610 | TA2410 | TA3210 |
| RJ11 FXO Ports | 4 | 8 | 16 | 24 | 32 |
| RJ 21 Ports | - | - | 1 | 1 | 2 |
| WAN | - | - | 1 10/100Mbps | ||
| LAN | 1 10/100Mbps | ||||
| 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.30 | ||||
| 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 | - | |||
| Signaling | FXS Loop Start, FXS Kewl Start | ||||
| Caller ID | BELL202, ETSI (V23), NTT (V23-Japan), and DTMF-based CID | ||||
| Disconnect Methods | Busy Tone, Polarity Reversal | ||||
| FXO Connectivity | Programmable AC Impedance, Hangup Detection, Answer Detection, Caller ID Detection | ||||
| Power | 12V, 1A | AC 100~240V (12V 5A) | |||
| Dimensions (L × W × H) (mm) | 200 × 137 × 25mm | 440 × 250 × 44mm | |||
| Storage Range | -20°C~65°C,-4°F~149°F | ||||
| Operation Range | 0°C~40°C,32°F~104°F | ||||
| Humidity | 10-90% non-condensing | ||||
| Mounting | Desktop, Wall-mount | Desktop, Rack-mount | |||
| Compatibility | Interoperable with Asterisk, Lync Server, FreePBX and certified with Elastix. | ||||