Minimilistic configuration of opensips
using modules sipmsgops which provides functions such as filter_body(content_type) append_to_reply(txt) append_hf(txt) append_hf(txt, hdr) insert_hf(txt) insert_hf(txt, hdr) append_urihf(prefix, suffix) is_present_hf(hf_name) append_time() is_method(name) remove_hf(hname [,flags]) has_body(), has_body(mime) is_audio_on_hold() is_privacy(privacy_type) strip_body(), strip_body(mime) add_body(body_text, new_content_type) sipmsg_validate([flags[,result_pvar]]) codec_exists (name [,clock] ) codec_delete (name [,clock] ) codec_move_up (name [,clock] ) codec_move_down (name [,clock] ) codec_exists_re ( regexp ) codec_delete_re ( regexp ) codec_delete_except_re ( regexp ) codec_move_up_re ( regexp ) codec_move_down_re ( regexp ) change_reply_status(code, reason) stream_exists(regexp) stream_delete(regexp)