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KX-TG9333PK/KX-TG9334PK//KX-TGA931T
Call Waiting Caller ID
Calling Identity Delivery on Call Waiting (CIDCW) is a CLASS service that allows a customer, while off-hook on an existing call,
to receive information about a calling party on a waited call. The transmission of the calling information takes place almost
immediately after the customer is alerted to the new call so he/she can use this information to decide whether to take the new
call.
Function:
The telephone exchange transmits or receives CAS and ACK signals through each voice RX/TX route. Then FSK data and
MARK data pass the following route.
Telephone Line → CN101 (T, R) → P101 → L101, L102 → C121, C122 → R121, R122 → IC501 (89, 88).
If the unit deems that a telephone connected in parallel is in use, ACK is not returned even if CAS is received, and the informa-
tion for the second and subsequent callers is not displayed on the portable handset display.
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