[channels]
txgain = -10.0
rxgain = 0.0

signalling = gsm
context = from-gsm

;group=1

; phone number for SIM card in slot A
;exten=016012345671
; PIN for SIM card in slot A
;pin=1234

;channel => 1

; phone number for SIM card in slot B
;exten=016012345672
; PIN for SIM card in slot B
;pin=1234

;channel => 3