Delete typed numbers during a call.

[medismail]

Checklist

• I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• I made sure that there are no existing discussions - open or closed - to which I could contribute my information.
• I have read the FAQs inside the app (Menu -> About -> FAQs) and my problem isn't listed.
• I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• This issue contains only one feature request.
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Feature description

During a call, when I type a number, I'm unable to delete it from the screen. The only option is to hide the number pad by pressing the 'X' button

Why do you want this feature?

Is important to keep screen clear when have an interactive call

Additional information

No response