Here's the tail output from the dailplan in FS 1.2.3 (everything works):
...
EXECUTE sofia/internal/nmreis@domain1_2_3 playback(local_stream://moh)
2013-12-06 00:54:42.099381 [DEBUG] mod_local_stream.c:417 Opening Stream [moh/8000] 8000hz
2013-12-06 00:54:42.099381 [DEBUG] switch_ivr_play_say.c:1309 Codec Activated L16@8000hz 1 channels 20ms
...

Here's the tail output from the dailplan in FS 1.2.14 (everything still seems to be ok but i can't hear any sound):
...
EXECUTE sofia/internal/nmreis@domain_1_2_14 playback(local_stream://moh)
2013-12-06 00:57:46.057502 [DEBUG] mod_local_stream.c:498 Opening Stream [moh/8000] 8000hz
2013-12-06 00:57:46.057502 [DEBUG] switch_ivr_play_say.c:1319 Codec Activated L16@8000hz 1 channels 20ms
...