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SIP 2.0 compliant (RFC 3261) for signaling |
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Standard voice codec support |
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Echo cancellation G.168 (16ms) |
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Convert the analog/digital signals |
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Auto switch between Fax and voice |
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DTMF tone detection/regeneration |
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User programmable Call Progress detection/generation |
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Voice Activity Detection (VAD) |
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Real-time fax over IP protocol support (option): T.30 Group 3, T.38 Modulation formats: V.21, V.27ter, V.29, V.17 |
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Supplementary Services: - Call forwarding, busy call forwarding, No answer, Call Hold, Call transfer, Call waiting |