to.setTag(this.hisTag);
sipRequest.setTo(to);
sipRequest.setMaxForwards(new MaxForwards(70));
if (this.originalRequest != null) {
Authorization authorization = this.originalRequest
.getAuthorization();
if (authorization != null)
sipRequest.setHeader(authorization);
// jeand : setting back the original Request to null to avoid
// keeping references around for too long