Https://www.t-mobile.com/community/discussions/gateways-devices/what-is-sage-x3-support-number/167114 https://www.t-mobile.com/community/discussions/gateways-devices/what-is-sage-x3-support-number/167114 https://www.t-mobile.com/community/discussions/gateways-devices/what-is-sage-x3-support-number/167114 https://www.t-mobile.com/community/discussions/gateways-devices/what-is-sage-x... https://www.t-mobile.com/community/discussions/gateways-devices/what-is-sage-x3-support-number/167114