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General| Protocols | TLS, SRTP, IPv6 |
|---|---|
| Network Interfaces | Dual 10/100/1000 Mbps Gigabit Ethernet ports |
| Voice Codecs | G.711μ/a, G.722 (wideband), G.729A/B, iLBC, Opus |
| HD Audio | Yes |
| Telephony Features | Hold, transfer, forward, call park, call pickup, call waiting, auto answer, hot-desking |
| PoE | IEEE 802.3af PoE |
| Security | TLS, SRTP, HTTPS, 802.1x |
| Voice Quality | AEC, CNG, VAD, AJB, PLC |
| QoS | Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS |
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