# What this PR does
Sets a default value for the PHONE_PROVIDER setting and replaces the
value of PHONE_PROVIDER with this default value if it is not valid.
## Which issue(s) this PR fixes
- [#2520](https://github.com/grafana/oncall/issues/2520)
- [#2323](https://github.com/grafana/oncall/issues/2323)
## Checklist
- [ ] Unit, integration, and e2e (if applicable) tests updated
- [ ] Documentation added (or `pr:no public docs` PR label added if not
required)
- [ ] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required)
---------
Co-authored-by: Innokentii Konstantinov <innokenty.konstantinov@grafana.com>
Co-authored-by: Joey Orlando <joseph.t.orlando@gmail.com>
Co-authored-by: Joey Orlando <joey.orlando@grafana.com>
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