Communicating with the Host • 5-17 •
The H.110 Basic Rate ISDN Board
DIxxPps INFOrmation message, progress p, signal s
DIxxQqq(Euutt) INFOrmation request, query item qq, opt. Endpoint
Identifier, USID uu, TID tt
DIxxRr# INFOrmation, redirect reason r, redirect number #
DIxxS(#) INFOrmation message, SPID
DNxxn(#)(/#) NOTIFY message on B channel xx, notification
indicator n, opt. calling #, opt. called #
DNxxT(#) NOTIFY, transfer, transfer # (DMS-100)
DPxxps CALL PROCeeding message on B channel xx,
progress indicator p, signal s
DPxxPccps PROGress message on B channel xx, cause cc,
progress indicator p, signal s
DQxx(spid/DN) SPID & DN assigned to B channel xx, response to DQ
query
DRxxR(rr) RELease message, optional call reference rr if call not
assigned to a B-channel
DRxxcc(rr) RELease COMplete message B channel xx, cause cc,
opt. call ref. if call not assigned to a B-channel
DSxxbps#(/#) SETUP message, bearer capability b, assigned B
channel xx, progress indicator p, signal s, calling #,
called number
DSxxbps(#)A=ca SETUP message, bearer capability b, progress p,
signal s, opt. calling #, call appearance ca (CACH
EKTS & AT&T Custom)
DSxxrrbps#(/#) SETUP message, no B-channel, call ref. rr
DSxxApsrr SETUP Acknowledge, progress p, signal s
DTxxLl(text) Display text line l (1 or 2) on B channel xx
DXxxccssrr STATUS message on B channel xx, cause cc, call state
ss, call reference rr
Error Messages
ECxx Clock error bit xx
EDddy Diagnostic error y on port dd
ELddy Layer 1 or 2 error y on port dd
EMddy MDL error y on port dd (Layer 2 protocol errors)
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