Integration with Nortel PBX

Dear All,
I would like to know that how can I integrate LCS 2005 with Nortel PBX. First thing I know is to buy the Telephony CALS for LCS. Please let me know if some one can provide me some steps to begin with.

Thank You

Copyright © 1996 Meni Milstein. No portion may be reproduced without my written permission. All registered trademarks or trademarks belong to their respective companies. Should any right be infringed, it is unintentional. Let us know and the matter will be rectified. All other contents that may be linked from this site, and or forum posts in this site are not under our immediate control and not our responsibility. We do our best to maintain all the Forums and editing them sometimes takes several days.