Our call flow will be SIP to ISDN(q931) call

The call setup on ISDN Q931 the screening indicator as user-provided not screened,

we need to modify it as verified and passed. We need to know how to modify the octet 3a bit in our 5350 (Cisco IOS Software, 5350 Software (C5350-JS-M), Version 15.1(4)M7).

ISDN call flow

Feb 27 18:46:56.167: ISDN Se3/0:15 Q931: Sending SETUP  callref = 0x00F6 callID = 0x8084 switch = primary-net5 interface = User

Feb 27 18:46:56.167: ISDN Se3/0:15 Q931d: L3_state_change: callref 0x00F6 old NULL_STATE, new CALL_INIT

Feb 27 18:46:56.171: ISDN Se3/0:15 Q931: TX -> SETUP pd = 8  callref = 0x00F6

        Bearer Capability i = 0x8090A3

                Standard = CCITT

                Transfer Capability = Speech 

                Transfer Mode = Circuit

                Transfer Rate = 64 kbit/s

        Channel ID i = 0xA98381

                Exclusive, Channel 1

        Calling Party Number i = 0x1180, '447(deleted)'

                Plan:ISDN, Type:International

        Called Party Number i = 0xA1, '(deleted)'

                Plan:ISDN, Type:National

Feb 27 18:46:56.199: ISDN Se3/0:15 Q931: RX <- SETUP_ACK pd = 8  callref = 0x80F6

        Channel ID i = 0xA98381

                Exclusive, Channel 1

Feb 27 18:46:56.203: ISDN Se3/0:15 Q931d: L3IF_rx_L2_pak: received data