Issue link: https://read.uberflip.com/i/1464686
LoRaWAN ® Multi-Package Access Protocol Specification TS007-1.0.0 ©2022 LoRa Alliance ® Page 9 of 15 The authors reserve the right to change specifications without notice. 4 Multi-Package Access Package 240 241 The PackageIdentifier of the multi-package access package is 0. The 242 PackageVersion of this package is version 1. 243 244 The following messages are sent to each end-device individually using Unicast downlink on 245 an FPort specifically used for the package. If this package is implemented by the end- 246 device, it SHALL use FPort 225. These messages SHALL NOT be sent using multicast. If 247 these messages are received on a multicast address, the end-device SHALL drop them 248 silently. 249 250 These commands SHALL be invoked using the Multi-Package Access Protocol only. 251 Similarly, all answers SHALL also use the multi-package protocol format: 252 253 … potentially preceding packages PackageID = 0 (opt) CommandID 1 Command1 (answer) payload … potentially additional multi-package access commands and/or following different packages Table 5: Multi-package commands and command-answer format 254 255 The following table summarizes the list of multi-package access messages: 256 257 CID Command name Transmitted by Short Description End- device App Server 0x00 PackageVersionReq x Used by the Application Server to request the package version implemented by the end-device 0x00 PackageVersionAns x Conveys the answer to PackageVersionReq 0x01 DevPackageReq x Requests the list of packages running on the end-device and the ports on which they are running 0x01 DevPackageAns x Conveys the answer to DevPackagesReq 0x02 MultiPackBufferFrag x Used by the end-device to convey a fragment of the ANS buffer, if the buffer exceeds the maximum applicative payload length. Also conveys the answer to the Multi- Package Buffer Command (MultiPackBufferReq request) 0x02 MultiPackBufferReq x Used by the server to request retransmission of part of the last multi-package answer buffer Table 6: Summary of multi-package commands 258 259