Unknown signalling method

[Hans66]

Asterisk startet leider nicht und meldet folgenden Fehler:ERROR
Oct 26 17:28:10 ERROR[2547] chan_zap.c: Unknown signalling method 'bri_cpe_ptmp'
Oct 26 17:28:10 ERROR[2547] chan_zap.c: Signalling must be specified before any channels are.

Meine zaptel.conf
loadzone = de
defaultzone = de
span=1,1,3,ccs,ami
bchan=1-2
dchan=Meine zapdata.conf
;
; Zapata telephony interface
;
; Configuration file
[channels]

;erste Karte TE-Modus
switchtype = euroisdn
signalling = bri_cpe_ptmp
usecallerid = yes
overlapdial = no
immediate = no
group = 1
context = isdn_incoming
channel => 1-2
;
; Configuration file
;Include genzaptelconf configs
;#include zapata-auto.conf

;Include AMP configs
;#include zapata_additional.conf

;Include BRI-HFC configs
;#include zapata-BRI-HFC.conf