[pjsip] quick question about volume and PJSUA-LIB

[C R McClenaghan]

All,

Here's the documentation from online:

pj_status_t pjsua_conf_adjust_rx_level	(	pjsua_conf_port_id 	slot,
float 	level	
)			
Adjust the signal level to be received from the specified port (to the  
bridge) by making it louder or quieter.


Parameters:
slot 	The conference bridge slot number.
level 	Signal level adjustment. Value 1.0 means no level adjustment,  
while value 0 means to mute the port.
Returns:
PJ_SUCCESS on success, or the appropriate error code.

So, what are the appropriate ranges for the value of level? Are they 0  
to 1? Are the values absolutes or relative to current volume? I'm  
playing with pjsua application and not sure I can tell. I'd like to  
see how fine grain the control can be.

Thanks,

Chris
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