Dtmf (Dual Tone Multifrequency) Tone; Uim / Sim Lock; Gsm Call Waiting; Cdma Call Waiting - Spice DUAL D-1111 User Manual

3.5.5. DTMF (Dual Tone MultiFrequency) Tone

During a call, tap Keypad to input the digits.
The digits input will be regarded as a DTMF signal response.

3.6. UIM / SIM Lock

You can set SIM lock to protect your SIM card.
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Tap Start >Settings>CDMA Phone/GSM Phone
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You should input PIN codes
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To turn off SIM Lock, you need to input PIN codes.

3.7. GSM Call Waiting

This function allows you to put the current call on hold and then answer a second one.
The function needs the support from the local network. In some districts, you can use the function
only after you apply with the local network operator.

3.8. CDMA Call Waiting

The function needs the support from the local network. In some districts, you can use the function
only after you apply with the local network operator. The detailed operations may vary for
different networks. For assistance, please consult the local network operator.
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