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Description
Support SIP V1 (RFC2543), V2 (RFC3261) Support Codec G.711, G.723, G.726, G.729A and G.729B Provided 1 x WAN, 1 x LAN, 1 x FXO port Router function VAD(Voice Activity Detection), CNG(Comfortable Noise Generator) LEC(Line Echo Canceller), Packet Loss Compensation Call Hold, Call Waiting, Call Forward, Caller ID, 3-way Conference Speaker Phone, Speed dial, Phone book, Flash and Volume Adjustment function
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IP-500 SIP Phone
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