Junghanns QuadBri with Alacatel4200 PABX

Hi,

I have this configuration:

ISDN TNR with T Termination <–TE (bri_cpe) QuadBri (bri_net) NT–> Alcatel4200 PABX

Because of problems of communication, it comes me several questions:
-which must be the position of the switches of the S/T interface (they are here in position off)?
-which must be the position of the switches of the power feeeding (they are here in position off)?
-which mode of indication to be adopted (p2p or p2mp)?

(My Zaptel.conf:
loadzone=fr
defaultzone=fr

span=1,1,3,ccs,ami
span=2,0,3,ccs,ami
span=3,0,3,ccs,ami
span=4,0,3,ccs,ami

bchan=1,2
dchan=3
bchan=4,5
dchan=6
bchan=7,8
dchan=9
bchan=10,11
dchan=12

My Zapata.conf:
[channels]
language=fr
switchtype = euroisdn
pridialplan = dynamic
prilocaldialplan = local
nationalprefix = 0
internationalprefix = 00
usecallingpres = yes
echocancel = yes
echocancelwhenbridged = yes
echotraining = 100

;---------------------------------------------------------
; p2p TE Mode (Connexion vers TNR France Telecom)
;---------------------------------------------------------
signalling = bri_cpe

context = isdn-incoming
group = 1

;S/T port 1-4 (2 premiers ports)
channel = 1-2
channel = 4-5

;---------------------------------------------------------
; p2p NT Mode (Connexion vers PABX)
;---------------------------------------------------------
signalling = bri_net

context = pbx-incoming
group = 2

;S/T port 1-4 (2 premiers ports)
channel = 7-8
channel = 10-11
)

Thanks for reply,
Regards.