Something

hamutz*CLI> zap restart
 Destroying channels and reloading zaptel configuration.
  == Parsing '/etc/asterisk/zapata.conf': Found
    -- Registered channel 1, ISDN PRI signalling
    -- Registered channel 2, ISDN PRI signalling
    -- Registered channel 3, ISDN PRI signalling
    -- Registered channel 4, ISDN PRI signalling
    -- Registered channel 5, ISDN PRI signalling
    -- Registered channel 6, ISDN PRI signalling
    -- Registered channel 7, ISDN PRI signalling
    -- Registered channel 8, ISDN PRI signalling
    -- Registered channel 9, ISDN PRI signalling
    -- Registered channel 10, ISDN PRI signalling
    -- Registered channel 11, ISDN PRI signalling
    -- Registered channel 12, ISDN PRI signalling
    -- Registered channel 13, ISDN PRI signalling
    -- Registered channel 14, ISDN PRI signalling
    -- Registered channel 15, ISDN PRI signalling
    -- Registered channel 17, ISDN PRI signalling
    -- Registered channel 18, ISDN PRI signalling
    -- Registered channel 19, ISDN PRI signalling
    -- Registered channel 20, ISDN PRI signalling
    -- Registered channel 21, ISDN PRI signalling
    -- Registered channel 22, ISDN PRI signalling
    -- Registered channel 23, ISDN PRI signalling
    -- Registered channel 24, ISDN PRI signalling
    -- Registered channel 25, ISDN PRI signalling
    -- Registered channel 26, ISDN PRI signalling
    -- Registered channel 27, ISDN PRI signalling
    -- Registered channel 28, ISDN PRI signalling
    -- Registered channel 29, ISDN PRI signalling
    -- Registered channel 30, ISDN PRI signalling
    -- Registered channel 31, ISDN PRI signalling
    -- Registered channel 32, ISDN PRI signalling
    -- Registered channel 33, ISDN PRI signalling
    -- Registered channel 34, ISDN PRI signalling
    -- Registered channel 35, ISDN PRI signalling
    -- Registered channel 36, ISDN PRI signalling
    -- Registered channel 37, ISDN PRI signalling
    -- Registered channel 38, ISDN PRI signalling
    -- Registered channel 39, ISDN PRI signalling
    -- Registered channel 40, ISDN PRI signalling
    -- Registered channel 41, ISDN PRI signalling
    -- Registered channel 42, ISDN PRI signalling
    -- Registered channel 43, ISDN PRI signalling
    -- Registered channel 44, ISDN PRI signalling
    -- Registered channel 45, ISDN PRI signalling
    -- Registered channel 46, ISDN PRI signalling
    -- Registered channel 58, ISDN PRI signalling
    -- Registered channel 59, ISDN PRI signalling
    -- Registered channel 60, ISDN PRI signalling
    -- Registered channel 61, ISDN PRI signalling
    -- Registered channel 62, ISDN PRI signalling
    -- Automatically generated pseudo channel
  == Parsing '/etc/asterisk/users.conf': Found
[Feb 27 15:31:43] ERROR[7525]: chan_zap.c:9415 start_pri: Unable to open D-channel 16 (Device or resource busy)
[Feb 27 15:31:43] ERROR[7525]: chan_zap.c:11327 setup_zap: Unable to start D-channel on span 1
[Feb 27 15:31:43] WARNING[7525]: chan_zap.c:9824 zap_restart: Reload channels from zap config failed!
  == Parsing '/etc/asterisk/manager.conf': Found