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TYW-251 IP |
| VoIP Coin Payphone |
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VoIP Call Control Protocal: SIP (RFC-3261) or H.323 V4 or MGCP
Echo Cancellation: G.165/G.167 16ms
LCD: 122/32 Graphics, DIaled Number, Coin Value, Remaining Credit, Reminding Messae,
Self- Diagnostic Message, and Revenue Information
Coin Mechanism: Distinguish 8 Types of Coins Based on the Diameter, Thickness and Material
Function Keys: Voice Amplification, Language Choice, Redial, Follow-On-Call
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