Protocol adaptation

Details Protocol adaptation Protocol adaptation

H - Electricity

04

L

H04L 5/14 (2006.01) H04L 29/06 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2062621

If a new protocol is introduced in all exchanges (VST), e.g., the ETSI protocol T/S 46-30 in Europe, the old protocol (e.g., 1TR6 in Germany) is to be replaced by the ETSI protocol in all terminals without the need for an on-site hardware/software adaptation. To accomplish this, the terminal is provided in advance with two protocols (1TR6, ETSI-T/S 46-30) (stored in EEPROMs, for example), and by means of an unambiguous status inquiry at the time of conversion in the exchange, the latter is interrogated for the current protocol. The terminal is then operated in accordance with a status message indicating the protocol being used by the exchange.

Si un nouveau protocole est adopté dans tous les centraux (VST), p. ex. le protocole ETSI T/S 46-30 en Europe, il faudra remplacer l'ancien protocole (p. ex. 1TR6 en Allemagne) par le protocole ETSI dans tous les terminaux sans avoir à effectuer d'adaptation matérielle/logicielle sur place. € cette fin, le terminal est adapté à l'avance à deux protocoles (1TR6, ETSI-T/S 46-30) (stockés dans des EEPROM, p. ex.), et lors de la conversion du central, le protocole en usage est demandé au central au moyen d'une interrogation d'état non ambiguë. Le terminal est ensuite exploité conformément à un message d'état indiquant le protocole utilisé par le central.

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