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21711: Phone Number, Shortcode, Destination AlphaSender, and Global AlphaSender is not associated to the specified Messaging Service.

WARNING: 21711

PROGRAMMABLE SMS

WARNING

Description

Error - 21711

Phone Number, Shortcode, Destination AlphaSender, and Global AlphaSender is not associated to the specified Messaging Service.

Possible Causes

The sender was never associated with a given Messaging Service.

Possible Solutions

Please add this number to a specified Messaging Service. See here for a code sample.