c1841#show isdn status
Global ISDN Switchtype = basic-net3
ISDN BRI0/0/0 interface
        dsl 0, interface ISDN Switchtype = basic-net3
    Layer 1 Status:
        ACTIVE
    Layer 2 Status:
        TEI = 64, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
    Layer 3 Status:
        1 Active Layer 3 Call(s)
        CCB:callid=80C6, sapi=0, ces=1, B-chan=1, calltype=DATA, hdlctype=HDLC-TRUNK
    Active dsl 0 CCBs = 1
    The Free Channel Mask:  0x80000002
    Total Allocated ISDN CCBs = 1






c3825#show isdn status
Global ISDN Switchtype = primary-net5
ISDN BRI0/0/0 interface
	******* Network side configuration ******* 
	dsl 0, interface ISDN Switchtype = basic-net3
    Layer 1 Status:
	ACTIVE
    Layer 2 Status:
	TEI = 64, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
    Layer 3 Status:
	1 Active Layer 3 Call(s)
	CCB:callid=DF, sapi=0, ces=1, B-chan=1, calltype=VOICE
    Active dsl 0 CCBs = 1
    The Free Channel Mask:  0x80000002
ISDN BRI0/0/1 interface
	******* Network side configuration ******* 
	dsl 1, interface ISDN Switchtype = basic-net3
    Layer 1 Status:
	DEACTIVATED
    Layer 2 Status:
	Layer 2 NOT Activated
    Layer 3 Status:
	0 Active Layer 3 Call(s)
    Active dsl 1 CCBs = 0
    The Free Channel Mask:  0x80000003
ISDN Serial0/1/0:15 interface
	******* Network side configuration ******* 
	dsl 2, interface ISDN Switchtype = primary-net5
    Layer 1 Status:
	ACTIVE
    Layer 2 Status:
	TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
    Layer 3 Status:
	1 Active Layer 3 Call(s)
	CCB:callid=8074, sapi=0, ces=0, B-chan=1, calltype=DATA, hdlctype=HDLC-TRUNK
    Active dsl 2 CCBs = 1
    The Free Channel Mask:  0x8000003E
    Number of L2 Discards = 0, L2 Session ID = 1
ISDN Serial0/1/1:15 interface
	******* Network side configuration ******* 
	dsl 3, interface ISDN Switchtype = primary-net5
    Layer 1 Status:
	DEACTIVATED
    Layer 2 Status:
	TEI = 0, Ces = 1, SAPI = 0, State = TEI_ASSIGNED
    Layer 3 Status:
	0 Active Layer 3 Call(s)
    Active dsl 3 CCBs = 0
    The Free Channel Mask:  0x00000000
    Number of L2 Discards = 0, L2 Session ID = 0
ISDN Serial1/0:15 interface
	dsl 4, interface ISDN Switchtype = primary-net5
    Layer 1 Status:
	ACTIVE
    Layer 2 Status:
	TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
    Layer 3 Status:
	1 Active Layer 3 Call(s)
	CCB:callid=E0, sapi=0, ces=0, B-chan=1, calltype=DATA, hdlctype=HDLC-TRUNK
    Active dsl 4 CCBs = 1
    The Free Channel Mask:  0x8000003E
    Number of L2 Discards = 0, L2 Session ID = 1
    Total Allocated ISDN CCBs = 3