Exam MS-740 topic 1 question 16 discussion

A company uses a Session Border Controller (SBC) with Teams Direct Routing.

A user reports that they cannot initiate outbound calls to the following number: +41 44 123 45 67.

The user can receive incoming calls. You observe that the user is assigned an OnlineVoiceRoutingPolicy that uses the following number pattern: ^\+41[0-9]{10})$.

You need to resolve the issue.

Which pattern should you use?