boxA# cat /etc/asterisk/zapata.conf
[channels]

; Sangoma A104 port 1 (channels 1-24) (outbound T1 to PSTN)
        context=from-external
        transfer=no
        threewaycalling=no
        echocancel=no
        echocancelwhenbridged=no
        group=1
        signalling=em_w
        channel => 1-24

; Sangoma A104 port 2 (channels 25-48) (outbound T1 to PSTN)
        context=from-internal
        transfer=no
        threewaycalling=no
        echocancel=no
        echocancelwhenbridged=no
        group=2
        signalling=em_w
        channel => 25-48

; Sangoma A104 port 3 (channels 49-72) (T1 to stations)
        signalling=em_w
        context=from-internal
        transfer=yes
        threewaycalling=no
        echocancel=no
        echocancelwhenbridged=no
        group=3
        channel => 49-72

; Sangoma A104 port 4 (channels 73-96) (T1 to stations)
        signalling=fxo_ks
        context=from-internal
        transfer=yes
        threewaycalling=no
        echocancel=no
        echocancelwhenbridged=no
        group=4
        channel => 73-98

; Sangoma A102 port 1 (channels 99-120) (T1 to POTS channel bank)
        signalling=fxs_ks
        context=from-external
        transfer=yes
        threewaycalling=no
        ;echocancel=no
        echocancelwhenbridged=yes
        group=5
        channel => 99-120

; Sangoma A102 port 2 (channels 121-144) (T1 to Legacy channel bank [Toshiba PBX])
        signalling=fxo_ks
        context=from-internal
        transfer=yes
        threewaycalling=no
        ;echocancel=no
        echocancelwhenbridged=yes
        group=6
        channel => 121-144

boxA# cat /etc/zaptel.conf
loadzone=us
defaultzone=us

#Sangoma A104 port 1 [slot:4 bus:15 span: 1]
span=1,0,1,esf,b8zs
e&m=1-24

#Sangoma A104 port 2 [slot:4 bus:15 span: 2]
span=2,0,0,esf,b8zs
e&m=25-48

#Sangoma A104 port 3 [slot:4 bus:15 span: 3]
span=3,0,1,esf,b8zs
e&m=49-72

#Sangoma A104 port 4 [slot:4 bus:15 span: 4]
span=4,0,1,esf,b8zs
fxoks=73-96

#Sangoma A102 port 1 [slot:4 bus:24 span: 5]
span=5,0,1,esf,b8zs
fxsks=97-120

#Sangoma A102 port 2 [slot:4 bus:24 span: 6]
span=6,0,1,esf,b8zs
fxoks=121-144