RTT call option and confirmation dialog missing when dialing emergency numbers

Question

emce OP

Created 6d

Replies 2

Boosts 0

Participants 2

Hello,

In our app we provide a button that initiates a phone call using tel://.

For normal numbers, tapping the button presents the standard iOS confirmation sheet with Call and Cancel.
If RTT is enabled on the device, the sheet instead shows three options: Call, Cancel, and RTT Call.

However, when dialing a national emergency number, this confirmation dialog does not appear at all — the call is placed immediately, without giving the user the choice between voice or RTT.

Is this the expected system behavior for emergency numbers on iOS?

 And if so, how does RTT get applied in the emergency-call flow — is it managed entirely by the OS rather than exposed as a user-facing option? Thanks in advance for clarifying.

Boost

Answer 1

Frameworks Engineer OP

Apple

6d

Yes, this is expected. RTT would be enabled and the mic would be on for this scenario.

0

Answer 2

emce OP

3d

Hello, thank you for clarifying!

We’d appreciate any guidance on a few follow-up questions regarding this behavior:

Why is the standard confirmation dialog not shown before placing a call to an emergency number, even when RTT is enabled? Users would normally expect the chance to confirm the call, and showing the dialog could help prevent accidental emergency calls.
Will the behavior change if RTT becomes supported for emergency numbers in our country? In that case, would users have the option to choose between a standard voice call, RTT, or Cancel before the call is placed?
Is there any way for an app to implement a custom confirmation dialog before dialing an emergency number, or is this entirely managed by iOS and unavailable to developers?

Thanks again for your guidance!

0