ISDN BRI0/2/0 interface
        ******* Network side configuration *******
        dsl 4, interface ISDN Switchtype = basic-net3
    Layer 1 Status:
        ACTIVE
    Layer 2 Status:
        TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
    Layer 3 Status:
        0 Active Layer 3 Call(s)
    Active dsl 4 CCBs = 0
    The Free Channel Mask:  0x80000003
ISDN BRI0/2/1 interface
        ******* Network side configuration *******
        dsl 5, interface ISDN Switchtype = basic-net3
    Layer 1 Status:
        ACTIVE
    Layer 2 Status:
        TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
    Layer 3 Status:
        0 Active Layer 3 Call(s)
    Active dsl 5 CCBs = 0
    The Free Channel Mask:  0x80000003