2.4.3 Service Characteristics

This section defines the characteristic and descriptor requirements for OTAS.

Table 3.1 provides a summary of the characteristic support requirements for OTAS.

Table 3.2 defines the characteristic Universally Unique Identifier (UUID) value.

Requirements in this section are defined as “Mandatory” (M), “Optional” (O), “Excluded” (X), and “Conditional” (C.n). Conditional statements (C.n) are listed directly below the table in which they appear.

Table 3.1: OTAS characteristics
Characteristic Name	Requirement	Mandatory Properties	Optional Properties	Security Permissions
OTA Feature	M	Read	None	Encryption required
OTA Data	M	WriteWithoutResponse, Notify	None	Encryption required
OTA Control Point	M	Write, Notify	None	Encryption required

Only one instance of each characteristic is permitted within this service.

Table 3.2: UUID of OTAS characteristics
Characteristic Name	Universally Unique Identifier (UUID)
OTA Feature	4D434850-22E4-4246-AF03-0C4A2F906358
OTA Data	4D434850-34D9-40A6-BA7E-56F57C8CD478
OTA Control Point	4D434850-9327-45DE-8882-C97F39028A76