sundance-communications.com/forum Forums TDM Business Telephone Systems Avaya - Lucent Telephones & Systems Adding outside and Internal Lines

My Merlin Legend phone system currently has a card with four outside lines and eight MLX phone lines. Could someone please tell me if I can add extra outside and MLX lines by purchasing an identical card for an open slot, or do I need to purchase with greater capacity to replace the one I already have?

Any help would be greatly appreciated.

yes you can

It's a 408 MLX card.
one of these:
https://www.telbroker.com/product_details.asp?telephones=legend&product_id=447

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Thanks for the help.