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Using HD Voice
HD Voice supports a wide range of audio tones for clearer,
more natural-quality voice calls.
・Available when the counterpart model is an HD Voice-
compatible model from SoftBank/Y!mobile.
・HD Voice is compatible with VoLTE and 3G network. Use HD
Voice with VoLTE for voice calls of even higher quality.
Optional Services
Use these optional services for voice calls:
Optional Services
The following optional services are available.
Service Description
Call
Forwarding
Divert all/unanswered calls to a preset
number.
Voicemail
Divert all/unanswered calls to Voicemail
Center; access messages via handset/
touchtone phones.
Call Waiting
1
Answer calls during a call.
Group Calling
1
Merge multiple calls.
Notify Caller
ID
Send or hide your number when placing
calls.
Call Barring
Restrict incoming/outgoing calls by
conditions.
1 Requires separate subscription.