EIP-7012 Feature
- SIP Protocol: Support SIP V1(RFC2543), V2(RFC3261)
- Codec: G.711, G.723.1, G.726, G.729 a/b
- Voice Quality: VAD (Voice Activity Detection), Line echo canceller
- Call Features: Call Hold, Call Waiting, Call forwarding, 3 Way Conference Caller ID
- Phone Function: Speaker Phone, Speed Dial, Phone Book, Recording Volume Adjustment
- QoS: ToS Field
- Support Auto Provision
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