NTT docomo FOMA D703i User Manual page 63

Switching a received call between a voice call and videophone call
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The switching operation can be performed only from the terminal that made a call. It cannot be performed
from the terminal that received the call.
To receive the request of switching calls, set Indication ON of Notify Switchable Mode in advance. ☛P77
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Example Switching a received voice call to a videophone call
1
Receive the request of switching to a videophone call during a voice call
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Switching a received videophone call to a voice call: Receive the request of switching to a voice call
during a videophone call
Enabling use of dial keys to answer a call
Allows you to answer a call by pressing 0 to 9, (, or # other than n.
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This function is available for voice calls. However, it is unavailable when receiving a call while talking.
Default ON
m843
1
Press 1
2
To cancel the setting: 2
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The call is switched to a videophone call and the substitute image is sent to the
other party.
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A guidance informing that the call is being switched is played during switching.
Any Key Answer
Calls/Videophone Calls 61