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APPLIES TO: 
2015 
2019
Subscription Edition
The TraceRoute table contains routing information from calls. This table was introduced in Microsoft Lync Server 2013.
| Column | Data Type | Key/Index | Details |
|---|---|---|---|
| ConferenceDateTime |
datetime |
Primary, Foreign |
Date and time that the call began. |
| SessionSeq |
int |
Primary, Foreign |
Unique identifier used to distinguish between multiple calls that might have begun on the same date and at the same time. |
| MediaLineLabel |
tinyint |
Primary, Foreign |
Represents the type of video line used in the call. Allowed values are: 0 - Audio 1 - Video 2 - Panoramic video 3 - Application/Desktop sharing |
| FromCaller |
bit |
Primary |
Endpoint that placed the call. |
| Hop |
int |
Network hop/ |
|
| IPAddressKey |
int |
Foreign |
Unique identifier for the IP address. IP address information is stored in the IPAddress table. |
| RTT |
int |
Roundtrip time. The roundtrip time measures the amount of time it takes for a voice packet to reach its destination and then send back notification that it was received. |