Maximum message size that can be sent to destination
pointed to by this destination profile.
Implementations are allowed to assign default value.
A value of 0 for this object indicates no limitation
on maximum message size that can be sent to destination
pointed to by this destination profile.
If the maximum message size is greater than the maximum value
reportable by this object then this object should report its
maximum value (1,000,000) and callHomeDestProfileHiMaxMsgSize
must be used to report the maximum message size.