Byte

Description

0, 1

Tag 0x2915

2, 3

Length 0x0002

4, 5

Value SIP Response Code (2 Bytes)

This TLV, when reported in the PPL Event Indication for Event (0x0027/0x0028), will have any valid SIP Response value.

The response code to be interpreted for event 0x0027 is as follows:

202 - Accepted (The REFER request is successful)

405 – Method Not Allowed (REFER request failed)

408 – Request Timed Out (REFER request failed)

The response code to be interpreted for event 0x0028 is as follows:

100 – Trying

200 - OK (The reference is successful)

503 - Service Unavailable (The reference failed)

603 - Decline (The reference failed)