---
page_type: error
code: 22123
message: "22123: Unable to Initiate Verification Call"
level: ERROR
product: Phone Numbers
---

## Error - 22123

#### Unable to Initiate Verification Call

#### Possible Causes

- The number you are trying to verify cannot be reached.

- Your account is not allowed to call the number you are trying to verify.

- The number you are attempting to verify has been blocked.

- You are attempting to verify a number that is not a valid phone number.

#### Possible Solutions

Please reach out to HostedSMS@twilio.com.