Setting up shared lines in Cisco CUCM

Looking for some assistance setting up shared lines using my Cisco CUCM.

Scenerio
Have a small sub-company working off of the same PBX as larger mother company. The main line for sub-company is a DID of the main hunt group. I would like to share this DID across multiple handsets in addition to each of their own externsions.
D HService Desk ManagerAsked:
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José MéndezCommented:
This guide will help:

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/8_0_2/ccmsys/accm-802-cm/a03dn.html

Basically to each  IP phone in callmanager, assign the same directory number+partition.

Extension 1000 in partition A is different than extension 1000 in partition B

Its like John Doe and John Dow, two different persons.

When you navigate to an ip phone configuration page in callmanager, and click on one of the directory number links on the left side, the directory number configuration page opens up. Then you type a number, like 1000, and immediately after you click somewhere else in the page, CM triggers a database lookup to see if extension 1000 already exists, and if so, pulls the information previously inserted and fills in the other blanks if already available in the database.

Hope it helps.
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D HService Desk ManagerAuthor Commented:
Thanks @willywilburwonka. I thought that might be it, but needed confirmation.
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