RedHat 4 w/2.6 kernel

ZTDummy loaded:

ztdummy                 3924  0 
zaptel                206084  1 ztdummy

And yet I get these errors:

[ Booting......Oct 26 02:57:12 WARNING[10988]: res_musiconhold.c:565 moh_register: Unable to open pseudo channel for timing...  Sound may be choppy.
............................Oct 26 02:57:12 WARNING[10988]: chan_iax2.c:7477 load_module: Unable to open IAX timing interface: No such file or directory
.................................. ]