int sm_vmptx_config_encryption_null(struct sm_vmptx_config_encryption_null_parms *pp)
typedef struct sm_vmptx_config_encryption_null_parms { tSMVMPtxId vmptx; /* in */ } SM_VMPTX_CONFIG_ENCRYPTION_NULL_PARMS;
Disables any encryption which may have been in use by a VMP[tx].
0 if call completed successfully, otherwise a standard error such as:
This function is part of the Prosody RTP processing API.