NEC NEAX 2400 IPX Programming Manual page 182

SUPPLEMENTARY SERVICE
Note 1: A PBX may send EPID (Endpoint Identification), for the terminal initialization, by receiving SPID
(Service Profile Identification) from N-ISDN terminal, and may perform the supplementary service
(Transfer) by FID (Feature Identifier) which has been set to each terminal.
If you assign (AITD) data to B2 channel, this feature will not work.
Note 2:
Assign "FID number" (Maximum two digits).
Note 3:
Terminal Initial
(1) A PBX receives INFO including SPID which was set by the terminal.
SPID allows the user to be executed an automatic allocation by USID (User Service Identifier) and TID
(Terminal Identifier).
2. After creating EPID, the PBX sends INFO including EPID.
EPID including USID and TID is necessary for the identification of the terminal.
CHAPTER 6
Page 164
Revision 1.0
STN:
TYPE: 1 (N-ISDN1)
FIDP: 1-31 (FID Pattern)
FUNC: 2 (Feature Identifier Data)
FIDP: 1-31 (FID Pattern)
1 Transfer: Note 3
(1) INFO including SPID
(2) INFO including EPID
N-ISDN1
ILC
NDA-24305