asterisk users - Dec 2004 - Asked to transmit frame type 2, while native formats is 4???

Anyone know what this error message means?

**********
Dec 23 23:12:31 WARNING[3031057]: chan_sip.c:1874 sip_write: Asked to 
transmit frame type 2, while native formats is 4 (read/write = 4/4)
**********

I see this in my CLI when I call into Asterisk and press * which should hang 
up the call since I have the "h" option in my dial string.

My CLI goes nuts, the call connects fine but I get hundreds of lines of 
these rolling up my screen until I hang up the call.

Any ideas?


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