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General| Fax Support | T.38 Fax Relay |
|---|---|
| Relative Humidity | 10% to 90% (non-condensing) |
| Ports | 2 FXS ports |
| Voice Protocol | SIP |
| Protocols | SIP, RTP, RTCP |
| Power | 5V DC |
| Network Interfaces | 10/100BASE-T Ethernet port |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) |
| Audio Codecs | G.711 (a-law and μ-law), G.729a, G.722, G.726 |
| Voice Codecs | G.711 (a-law and μ-law), G.729a, G.722, G.726 |
| Storage Temperature | 14 to 140°F (-10 to 60°C) |
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