derivedDataType SipErrorRetryAfterDT

EcimDerivedString with length (0..6) constraint and pattern restriction (|remove|[0-9]+). Possible values:
<empty> - Value of Retry-after header is not modified
‘remove’ - Retry-after header is stripped from the SIP response
Positive integer value - Value of Retry-after header is set to the provided value

References from:
CscfSipErrorConfigurationEntryClass;
stringSipErrorRetryAfterDT [ 0..6 ]
Valid values: (^$|remove|[0-9]+)
  derivedDataType SipErrorRetryAfterDT