generates the parameters map . this is the complete parameters for the common case where a header only has a single parameter . otherwise , calling methods can add additional parameters to the map . concode_field_sep int sequenceNumber concode_elem_sep Logger LOG concode_field_sep SipHeader createHeader concode_elem_sep String createBranchId concode_elem_sep SipHeader createExpires concode_elem_sep String createCallIdValue concode_elem_sep SipHeader createCSeq concode_elem_sep SipHeader createSupported concode_elem_sep String createCSeqValue concode_elem_sep SipHeader createFrom concode_elem_sep SipHeader createTo concode_elem_sep SipHeader createTo concode_elem_sep SipHeader createContentLength concode_elem_sep SipHeader createSentByVia concode_elem_sep SipHeader createMaxForwards concode_elem_sep SipHeader createContact concode_elem_sep SipHeader createCallId concode_elem_sep List<SipHeaderValue> createHeaderValues concode_elem_sep String createTagValue