Progress Field Values Table A-5 lists the values of the Progress description field contained in the ISDN Progress indicator information element. Table A-5. ISDN Progress Description Field Values | Bits | Decimal Number | Description | | 0000001 | 1 | The call is not end-to-end ISDN; further call progress information may be available in- band . | | 0000010 | 2 | The destination address is non-ISDN. | | 0000011 | 3 | The origination address is non-ISDN. | | 0000100 | 4 | The call has returned to the ISDN. | | 0001000 | 8 | In-band information or an appropriate pattern is now available. | | 0001010 | 10 | A delay in response has occurred at the destination interface. | All other values for the Progress description field are reserved. |