static void destroy_stun_resolve_cb(pj_timer_heap_t *t, pj_timer_entry *e)
{
    pjsua_stun_resolve *sess = (pjsua_stun_resolve*)e->user_data;
    PJ_UNUSED_ARG(t);

    release_stun_session(sess);
}
static void destroy_stun_resolve_cb(pj_timer_heap_t *t, pj_timer_entry *e)
{
    pjsua_stun_resolve *sess = (pjsua_stun_resolve*)e->user_data;
    PJ_UNUSED_ARG(t);

    release_stun_session(sess);
}