-- Executing Dial("Zap/2-1", "SIP/boxa-out/5141234123")
    -- Called boxa-out/5141234123
    -- Channel 0/2, span 1 got hangup
May 11 10:19:43 WARNING[3064576944]: chan_zap.c:8731 pri_dchannel: Got restart ack on channel 0/1 span 1 with owner
    -- B-channel 0/1 successfully restarted on span 1
    -- B-channel 0/3 successfully restarted on span 1
    -- B-channel 0/4 successfully restarted on span 1
    -- B-channel 0/5 successfully restarted on span 1
    -- B-channel 0/6 successfully restarted on span 1
    -- B-channel 0/7 successfully restarted on span 1
    -- B-channel 0/8 successfully restarted on span 1
    -- B-channel 0/9 successfully restarted on span 1
    -- B-channel 0/10 successfully restarted on span 1
    -- B-channel 0/11 successfully restarted on span 1
    -- B-channel 0/12 successfully restarted on span 1
    -- B-channel 0/13 successfully restarted on span 1
    -- B-channel 0/14 successfully restarted on span 1
    -- B-channel 0/15 successfully restarted on span 1
    -- B-channel 0/16 successfully restarted on span 1
    -- B-channel 0/17 successfully restarted on span 1
    -- B-channel 0/18 successfully restarted on span 1
    -- B-channel 0/19 successfully restarted on span 1
    -- B-channel 0/20 successfully restarted on span 1
    -- B-channel 0/21 successfully restarted on span 1
    -- B-channel 0/22 successfully restarted on span 1
    -- B-channel 0/23 successfully restarted on span 1
May 11 10:20:30 WARNING[3064576944]: chan_zap.c:8136 pri_dchannel: Ring requested on channel 0/1 already in use on span 1.  Hanging up owner.
May 11 10:20:30 WARNING[3064576944]: chan_zap.c:8136 pri_dchannel: Ring requested on channel 0/2 already in use on span 1.  Hanging up owner.
    -- B-channel 0/2 restarted on span 1
May 11 10:20:35 WARNING[3064576944]: chan_zap.c:8136 pri_dchannel: Ring requested on channel 0/1 already in use on span 1.  Hanging up owner.
May 11 10:20:36 WARNING[3064576944]: chan_zap.c:8136 pri_dchannel: Ring requested on channel 0/2 already in use on span 1.  Hanging up owner.
May 11 10:20:53 WARNING[3064576944]: chan_zap.c:8136 pri_dchannel: Ring requested on channel 0/1 already in use on span 1.  Hanging up owner.
May 11 10:20:53 WARNING[3064576944]: chan_zap.c:8136 pri_dchannel: Ring requested on channel 0/2 already in use on span 1.  Hanging up owner.
May 11 10:20:56 WARNING[3064576944]: chan_zap.c:8136 pri_dchannel: Ring requ