Topic Last Modified: 2014-02-21

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.