Reply-Message getting truncated

Hi All, I am trying to send Reply-Message as part of pair_make_reply * pair_make_reply("Reply-Message", auth_factor_display, T_OP_EQ);* The string is getting truncated after some length if I send big string. is there is length restrictions for Reply-Message? if yes, What is length restriction. is there is option to avoid the string feting truncated. Thanks, Shivaprasad