2.2.4.1.3.1.1 Polling-Encapsulation-Version
The Polling-Encapsulation-Version indicates the version of the Encapsulation and uses a "<Major Version >.<Minor Version>" numbering scheme.
Polling-Encapsulation-Version = 1*DIGIT "." 1*DIGIT
Polling-Encapsulation-Version MUST be set to 1.2
Example: 1.2