Executing Goto("Zap/1-1", "sms-in|s|1") in new stack
    -- Goto (sms-in,s,1)
    -- Executing SMS("Zap/1-1", "default|a") in new stack
    -- SMS TX 93 00 6D
    -- SMS RX 93 00 6D
    -- SMS TX 94 00 6C
    -- SMS RX 94 00 6C

And then nothing in /var/spool/asterisk/sms