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Interworking to PHS/PIAFS

Interworking to PHS/PIAFS. NTT DoCoMo. What is “PIAFS”. “PIAFS” is designed for Personal Handy Phone system data communications protocol. “PIAFS” is an asynchronous transmission protocol over ISDN 64Kbps unrestricted digital line.

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Interworking to PHS/PIAFS

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  1. Interworking to PHS/PIAFS NTT DoCoMo

  2. What is “PIAFS” • “PIAFS” is designed for Personal Handy Phone system data communications protocol. • “PIAFS” is an asynchronous transmission protocol over ISDN 64Kbps unrestricted digital line. • “PIAFS” is standardized by PHS Internet Access Forum in Japan. (See http://www.infopro.or.jp/piaf/)

  3. How to Interwork PIAFS IWF IMT-2000 Network PHS Network PIAFS GSM-RLP

  4. Mobile Terminal requirement • Add AT commands or AT commands parameters which select IWF functions.(such as Land-line modem,V.110,V120,PIAFS) IWF PSTN V.90,V.34,,, IMT-2000 Network RLP ISDN V.110,, PHS PIAFS

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