Outbound throttles for SMS submissions may be set in the SMPP domain stanza using the same parameter as for email throttles.
Additionally, the SMSC may set the command status code to ESME_ETHROTTLED
to indicate messages are arriving too quickly. The SMPP_ESME_Throttled_Timeout
parameter may also be set in order to temporarily delay new message submissions. Set the value to the number of seconds to suspend SMS submissions.
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