if (!strcasecmp(argv[0], "restart_span")) {
                ftdm_span_t *span = NULL;
                if (argc == 2) {
                        status = ftdm_span_find_by_name(argv[1], &span);
                        if (FTDM_SUCCESS != status) {
                                stream->write_function(stream, "-ERR failed to find span with name %s\n", argv[1]);
                                stream->write_function(stream, "Usage: %s\n", SANGOMA_ISDN_API_USAGE_RESTART_SPAN);
                                status = FTDM_FAIL;
                                goto done;
                        }
                        status = ftdm_sangoma_isdn_stop1(span);
                        status = ftdm_sangoma_isdn_start(span);
                        goto done;
                }
        }

static ftdm_status_t ftdm_sangoma_isdn_stop1(ftdm_span_t *span)
{
        ftdm_log(FTDM_LOG_INFO, "Stopping span %s\n", span->name);

        /* throw the STOP_THREAD flag to signal monitor thread stop */
        ftdm_set_flag(span, FTDM_SPAN_STOP_THREAD);

        /* wait for the thread to stop */
        while (ftdm_test_flag(span, FTDM_SPAN_IN_THREAD)) {
                ftdm_log(FTDM_LOG_DEBUG, "Waiting for monitor thread to end for span %s\n", span->name);
                ftdm_sleep(10);
        }

        if (sngisdn_stack_stop(span) != FTDM_SUCCESS) {
                ftdm_log(FTDM_LOG_CRIT, "Failed to stop span %s\n", span->name);
        }
        ftdm_log(FTDM_LOG_DEBUG, "Finished stopping span %s\n", span->name);
        return FTDM_SUCCESS;
}