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7. CALL TRANSFER AND INTERCOM BETWEEN TWO HANDSETS
(ONLY B2500 DUO OR B2501 DUO!!!) 52
7.1. Call transfer during an external call 52
7.2. Internal call (intercom) 52
8. TOPCOM WARRANTY 53
8.1. Warranty period 53
8.2. Warranty handling 53
8.3. Warranty exclusions 53
9. TROUBLESHOOTING 54
10. TECHNICAL DATA 55
41
Butler 2500/2501/DUO
B2500_2501_DUO.QXD 22/3/02 1:51 pm Page 41