| 000 | 00422nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 220217s9999||||xx |||||||||||||| ||und|| | ||
| 020 | _a81-7808-258-6 | ||
| 082 | _a621.385 7 HER | ||
| 100 |
_aHersent, Olivier Gurle, David & Petit, Jean Fierre _91929 |
||
| 245 | 0 | _aIP telephony: paket based multimedia communication system | |
| 260 |
_aPearson education asia _bDelhi _c2002 |
||
| 300 | _b350 | ||
| 650 | _aTELEPHONY | ||
| 999 |
_c169500 _d169500 |
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