== Primary D-Channel on span 1 up
  == Primary D-Channel on span 1 up
  == Primary D-Channel on span 1 up
  == Primary D-Channel on span 1 up
  == Primary D-Channel on span 1 up
  == Primary D-Channel on span 1 up
  == Primary D-Channel on span 1 up
  == Primary D-Channel on span 1 up
-- Making new call for cr 32768
> Protocol Discriminator: Q.931 (8)  len=13
> Call Ref: len= 2 (reference 0/0x0) (Originator)
> Message type: RESTART (70)
> [18 03 a9 83 81]
> Channel ID (len= 5) [ Ext: 1  IntID: Implicit, PRI Spare: 0, Exclusive Dchan: 0
>                        ChanSel: Reserved
>                       Ext: 1  Coding: 0   Number Specified   Channel Type: 3
>                       Ext: 1  Channel: 1 ]
> [79 01 80]
> Restart Indentifier (len= 3) [ Ext: 1  Spare: 0  Resetting Indicated Channel (0) ]
  == Primary D-Channel on span 1 down
Feb 28 09:11:30 WARNING[18376]: chan_zap.c:2438 pri_find_dchan: No D-channels available!  Using Primary channel 24 as D-channel anyway!