enum MtasSipRemoveRefresherParameterInEarlyUpdateDT

Numeric Enumeration: 0-1 (0=REMOVE_REFRESHER_DISABLED, 1=REMOVE_REFRESHER_ENABLED)

References from:
MtasSip;

0
REMOVE_REFRESHER_DISABLED
The refresher parameter will be added when MTAS sends/forwards out the early UPDATE message (legacy behaviour).
1
REMOVE_REFRESHER_ENABLED
the refresher parameter will not be added when MTAS sends/forwards out the early UPDATE message (new behaviour).
  enum MtasSipRemoveRefresherParameterInEarlyUpdateDT