***** zaptel.conf

span=1,1,0,esf,b8zs
span=2,0,0,esf,b8zs
span=3,0,0,esf,b8zs

# PRI FEEDING * BOX
bchan=1-23
dchan=24

# GR-303 channels
fxoks=25-35
# EOC
dchan=36
# GR-303 channels
fxoks=37-47
# TMC
dchan=48
# GR-303 channels
fxoks=49-59
# EOC
dchan=60
# GR-303 channels
fxoks=61-71
# TMC
dchan=72


***** zapata.conf

trunkgroup => 1,48
spanmap => 2,1,1

signalling=gr303fxoks_net
channel => 25-35,37-47,49-59,61-71

group=1
context=outbound
signalling=fxo_ks
crv => 1:1

***** CLI:

dyr-ast1*CLI> pri show span 2
Primary D-channel: 48
Status: Provisioned, Down, Active
Switchtype: GR303 TMC
Type: Network
Window Length: 0/7
Sentrej: 0
SolicitFbit: 0
Retrans: 0
Busy: 0
Overlap Dial: 1
T200 Timer: 1000
T203 Timer: 10000
T305 Timer: 30000
T308 Timer: 4000
T313 Timer: 4000
N200 Counter: 3