Just FYI, on how to make a T1 or PRI cross over cable:

OW1 -    O2    - GW3 -  BL4  - BLW5 - G6 - BRW7 - BR8

 BL1  - BLW2 - GW3 - OW4 -    O5    - G6 - BRW7 - BR8

Also here is another method http://www.voip-info.org/wiki/view/T1+Crossover+Cable if for some reason you don't trust your crimping skills... you could use a co box... but... you could just get a tester too :-P.