The Assigned Number requirement for Link Manager is the core specification version number (“VersNr”).

Link Manager Protocol (LMP)

The Link Manager Version parameter

Parameter Name Assigned Values
VersNr 0 Bluetooth® Core Specification 1.0b (withdrawn)
1 Bluetooth Core S​pecification 1.1 (withdrawn)
2 Bluetooth Core Specification 1.2 (withdrawn)
3 Bluetooth Core Specification 2.0 + EDR
4 Bluetooth Core Specification 2.1 + EDR
5 Bluetooth Core Specification 3.0 + HS
6 Bluetooth Core Specification 4.0
​7 ​Bluetooth Core Specification 4.1
​8 ​Bluetooth Core Specification 4.2
9 Bluetooth Core Specification 5.0
10 Bluetooth Core Specification 5.1
11 – 255 Reserved

Table 1: The LMP Version Parameter Values

The LMP_CompId parameter codes

This is the parameter used in the LMP Version procedure. All companies that create unique implementations of the Link Manager shall have their own LMP_CompIDs. The table previously given in this section is now combined with the TCS Company Identifiers table​.