Carrier requirements for supporting messaging programs on Short-Codes, 10-DLCs and Toll-Free numbers are outlined in the guides below.
Carrier | Version - Issue | URL |
| T-Mobile | Version 2.2 - December 2020 | |
AT&T | June 2020 |
CARRIER CODES OF CONDUCT Print
Modified on: Tue, 18 Jun, 2024 at 2:28 PM
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