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| 型號：TN1856 S-3 |
| 廠牌：AT&T 價格：Call |
| 5ESS PROTOCOL HANDLER |
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| 型號：KBN8B S-3 |
| 廠牌：AT&T 價格：Call |
| 5ESS BUS SERVICE NODE |
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| 型號：BBG5 S-2 |
| 廠牌：AT&T 價格：Call |
| DDM-2000 SYSCTL PC |
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| 型號：TN778 S-1 |
| 廠牌：AT&T 價格：Call |
| SYS-75 PCKT CONT |
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| 型號：TN790 |
| 廠牌：AT&T 價格：Call |
| PROCESSOR |
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| 型號：TN2182B |
| 廠牌：AT&T 價格：Call |
| TONE CLOCK |
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