interface BRI3/1
 no ip address
 carrier-delay 1
 isdn switch-type basic-net3
 isdn point-to-point-setup
 isdn incoming-voice voice
 isdn answer1 7022XXX
 isdn answer2 7022YYY
 isdn send-alerting
 no isdn outgoing display-ie
 no isdn outgoing ie caller-number
 isdn static-tei 0
end

CME#deb isdn q931 interface brI 3/1
.Jun  9 16:51:21 UTC: ISDN BR3/1 Q931: RX <- SETUP pd = 8  callref = 0x1C
        Bearer Capability i = 0x8090A3
                Standard = CCITT
                Transfer Capability = Speech
                Transfer Mode = Circuit
                Transfer Rate = 64 kbit/s
        Channel ID i = 0x81
                Preferred, B1
        Calling Party Number i = 0x2183, '7067XXXX'
                Plan:ISDN, Type:National
        Called Party Number i = 0xA1, '7022XXX'
                Plan:ISDN, Type:National
        Sending Complete
.Jun  9 16:51:21 UTC: ISDN BR3/1 Q931: TX -> RELEASE_COMP pd = 8  callref = 0x9C
        Cause i = 0x80AF -
CME#Resource unavailable, unspecified

 ephone-18 Mac:001B.5452.FC51 TCP socket:[8] activeLine:0 REGISTERED in SCCP ver 9 and Server in ver 5
mediaActive:0 offhook:0 ringing:0 reset:0 reset_sent:0 paging 0 debug:0 caps:9
IP:192.168.1.48 50727 7911   keepalive 30 max_line 2 dual-line
button 1: dn 31 number 7022124 CH1   IDLE         CH2   IDLE