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General| Type | IP Phone |
|---|---|
| QoS | Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) |
| Bluetooth | No |
| Wi-Fi | No |
| Network Interfaces | Dual Ethernet ports |
| Protocols | SIP (RFC3261), TLS, SRTP, IPv6 |
| Voice Codecs | G.711µ/a, G.729A/B, iLBC, G.722, Opus |
| HD Audio | Yes |
| Speakerphone | Yes |
| Telephony Features | Call hold, transfer, forward, conference |
| Auxiliary Ports | Headset jack |
| Security | TLS, SRTP, HTTPS |
| Multi-Language | Yes |
| Upgrade/Provisioning | Firmware upgrade via HTTP/HTTPS |
| Power | IEEE 802.3af PoE |
| Mounting | Wall mountable |
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