trunk to trunk call on nortel cs1000

[cjfro]

i have a toll free number that i would like when call to ring on a cell phone, i have got it to ring but when it is answered
the call does on connect is just get a fun sound and on the other end it is still ringing i was told that i need to enable trnuk to trunk call. how to i enable this

 

[Sietze]

try extt at the cdb block