to-alessandria-prova#sh isdn sta
Global ISDN Switchtype = basic-net3
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:
        0 Active Layer 3 Call(s)
        CCB:callid=803B, sapi=0, ces=1, B-chan=1, calltype=VOICE
        CCB:callid=803C, sapi=0, ces=1, B-chan=2, calltype=VOICE
    Active dsl 0 CCBs = 2
    The Free Channel Mask:  0x80000000
ISDN BRI0/0/1 interface
        dsl 1, interface ISDN Switchtype = basic-net3
    Layer 1 Status:
        ACTIVE
    Layer 2 Status:
        TEI = 255, Ces = 1, SAPI = 0, State = ESTABLISH_AWAITING_TEI
    Layer 3 Status:
        0 Active Layer 3 Call(s)
        CCB:callid=73, sapi=0, ces=1, B-chan=1, calltype=VOICE
        CCB:callid=74, sapi=0, ces=1, B-chan=2, calltype=VOICE
    Active dsl 1 CCBs = 2
    The Free Channel Mask:  0x80000000
    Total Allocated ISDN CCBs = 4
to-alessandria-prova#