how to set SMS alert from NPM to phone?
Have a look at this KB Article:
https://support.solarwinds.com/SuccessCenter/s/article/Set-up-Orion-SMS-or-email-alerts?language=en_US
or you could use a third party solution such as:
https://www.signl4.com/blog/portfolio_item/solarwinds_npm_mobile_alert_psuh_text_voice/?gclid=EAIaIQobChMI-Kj-i_2K_QIVkL13Ch2FWQRgEAAYASAAEgJKMfD_BwE
