No

Feature

Sub-Procedure

Ref

Client 
Support

Server 
Support

1

Server Configuration

Exchange MTU

4.3.1

O

O

2

Primary Service

Discovery

Discover All Primary Services

4.4.1

O

M

Discover Primary Services By 
Service UUID

4.4.2

O

M

3

Relationship Discovery

Find Included Services

4.5.1

O

M

4

Characteristic 
Discovery

Discover All Characteristic of a Service

4.6.1

O

M

Discover Characteristic by UUID

4.6.2

O

M

5

Characteristic 
Descriptor Discovery

Discover All Characteristic Descriptors

4.7.1

O

M

6

Characteristic

Value Read

Read Characteristic Value

4.8.1

O

M

Read Using Characteristic UUID

4.8.1

O

M

Read Long Characteristic Values

4.8.2

O

O

Read Multiple Characteristic Values

4.8.3

O

O

7

Characteristic

Value Write

Write Without Response

4.9.1

O

C.1

Signed Write Without Response

4.9.2

O

O

Write Characteristic Value

4.9.3

O

C.2

Write Long Characteristic Values

4.9.4

O

O

Characteristic Value Reliable Writes

4.9.5

O

O

8

Characteristic

Value Notification

Notifications

4.10.1

O

O

9

Characteristic

Value Indication

Indications

4.11.1

M

C.3

10

Characteristic 
Descriptor Value Read

Read Characteristic Descriptors

4.12.1

O

O

Read Long Characteristic Descriptors

4.12.2

O

O

11

Characteristic 
Descriptor Value Write

Write Characteristic Descriptors

4.12.3

O

O

Write Long Characteristic Descriptors

4.12.4

O

O

C1: Write Without Response is mandatory if Signed Write Without Response is supported

otherwise optional

C2: Write Characteristic Value is mandatory if Write Long Characteristic Values is supported

otherwise optional

C3: If Service Change Characteristic is present, this feature is mandatory, otherwise optional.