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General| Model | ATA 400 Series |
|---|---|
| Type | Analog Telephone Adapter |
| Protocols | SIP, MGCP |
| Power Supply | External power adapter |
| Ports | 2 FXS ports |
| Network Interface | 10/100 Ethernet |
| Voice Codecs | G.711, G.726, G.729 |
| Fax Support | T.38 |
| Management | Web-based configuration |
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