| ip_address = tenv.ip_address() | |
| nitb = tenv.nitb() | |
| bts = tenv.bts() | |
| ms_mo = tenv.modem() | |
| ms_mt = tenv.modem() | |
| nitb.start(ip_address) | |
| bts.start(nitb) | |
| nitb.add_subscriber(ms_mo, tenv.msisdn()) | |
| nitb.add_subscriber(ms_mt, tenv.msisdn()) | |
| ms_mo.start() | |
| ms_mt.start() | |
| wait(nitb.subscriber_attached, ms_mo, ms_mt) | |
| sms = ms_mo.sms_send(ms_mt) | |
| wait(nitb.sms_received, sms) |