Index: src/ozmod/ozmod_wanpipe/ozmod_wanpipe.c
===================================================================
--- src/ozmod/ozmod_wanpipe/ozmod_wanpipe.c	(revision 776)
+++ src/ozmod/ozmod_wanpipe/ozmod_wanpipe.c	(working copy)
@@ -604,6 +604,8 @@
 		return ZAP_SUCCESS;
 	}
 
+	zap_log(ZAP_LOG_ERROR, "FAIL %d\n", bsent);
+
 	return ZAP_FAIL;
 }
 
Index: mod_openzap/mod_openzap.c
===================================================================
--- mod_openzap/mod_openzap.c	(revision 776)
+++ mod_openzap/mod_openzap.c	(working copy)
@@ -674,6 +674,7 @@
 	assert(tech_pvt->zchan != NULL);
 
 	if (switch_test_flag(tech_pvt, TFLAG_DEAD)) {
+		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "DEAD\n");
 		return SWITCH_STATUS_FALSE;
 	}
 
@@ -682,6 +683,7 @@
 	}
 
 	if (!switch_test_flag(tech_pvt, TFLAG_IO)) {
+		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "NO FLAG IO\n");
 		goto fail;
 	}
 	
@@ -689,6 +691,7 @@
 		frame->data = data;
 		frame->buflen = sizeof(data);
 		if ((frame->datalen = tech_pvt->write_codec.implementation->encoded_bytes_per_packet) > frame->buflen) {
+			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "BUF ERR\n");
 			goto fail;
 		}
 		memset(data, 255, frame->datalen);
@@ -697,7 +700,9 @@
 
 	len = frame->datalen;
 	if (zap_channel_write(tech_pvt->zchan, frame->data, frame->buflen, &len) != ZAP_SUCCESS) {
+		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "WR ERR\n");
 		if (++tech_pvt->wr_error > 10) {
+			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "10 WR ERR\n");
 			goto fail;
 		}
 	} else {