asterisk1.8 и huawei e153

Добрый день! при звонке с модема пишет такое

[Mar 31 10:20:38] ERROR[28678]: at_response.c:475 at_response_error: [datacard1] Dial failed
-- Datacard/datacard1-0100000000 is circuit-busy
  == Everyone is busy/congested at this time (1:0/1/0)
-- Auto fallthrough, channel 'SIP/71-0000000a' status is 'CONGESTION'
[Mar 31 10:20:38] ERROR[28678]: at_response.c:480 at_response_error: [datacard1] AT^DDSETEX failed

datacard.conf

[datacard1]
context=incoming-datacard 
audio=/dev/ttyUSB1       
data=/dev/ttyUSB2              
group=2                         
rxgain=3                       
txgain=3                        
autodeletesms=yes               
resetdatacard=yes              
u2diag=0                        
usecallingpres=yes             
callingpres=allowed_passed_screen

extensions.conf

exten => _0ХХХХХХХХХ,1,dial(Datacard/datacard1/${EXTEN})

И не звонит( Кто с таким встречался?

datacard1    2     Free 12   3    3       DJUICE         E153       11.609.18.20.174  354809040429017  255030660035422  +380000000000

datacard show device state datacard1

   -------------- Status -------------
      Device                  : datacard1
      State                   : Free
      Audio                   : /dev/ttyUSB1
      Data                    : /dev/ttyUSB2
      Voice                   : Yes
      SMS                     : Yes
      Manufacturer            : huawei
      Model                   : E153
      Firmware                : 11.609.18.20.174
      IMEI                    : 354809040429017
      IMSI                    : 255030660035422
      GSM Registration Status : Registered, home network
      RSSI                    : 11, -119 dBm
      Mode                    : GSM/GPRS
      Submode                 : EDGE
      Provider Name           : DJUICE
      Location area code      : 7DA0
      Cell ID                 : 242D
      Subscriber Number       : +380000000000?
      SMS Service Center      : +380672021111
      Use UCS-2 encoding      : Yes
      USSD use 7 bit encoding : No
      USSD use UCS-2 decoding : Yes
      Tasks in queue          : 0
      Commands in queue       : 0
      Call Waiting            : Enabled
      Current device state    : start
      Desired device state    : start
      Calls/Channels          : 0
        Active                : 0
        Held                  : 0
        Dialing               : 0
        Alerting              : 0
        Incoming              : 0
        Waiting               : 0
        Releasing             : 0
        Initializing          : 0