ErrorDef table in Skype for Business Server 2015

The ErrorDef table stores information about each type of error that may occur. Each record is one type of error.

Column Data Type Key/Index Details
ErrorId
int
Primary
Unique ID number identifying this type of error.
ResponseCode
int

Standard SIP response code associated with this error.
MsDiagId
int

Microsoft Diagnostic ID.
CallTypeId
Int
Foreign
Type of the call. See the CallType table in Skype for Business Server 2015 for more information.
RequestType
varbinary(33)

Type of request that failed.
This data can be converted to text format by using this syntax:
cast(cast(RequestType as varbinary(max)) as varchar(max))
ContentType
varbinary(257)

Content type of the request that failed.
This data can be converted to text format by using this syntaxt:
cast(cast(ContentType as varbinary(max)) as varchar(max))