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Existing client has an external speaker/paging system in their ceilings with 5 speakers. This is connected to an IP Office system. Do you know of any manner to deploy yealink T28p an incorporate an external paging system. They like the internal intercom system on the phones but want to incorporate this external system? thank u

Hi jnewman，

Do you mean setting Multicast paging and paging barge?

You can refer to the admin guide about this deploy from page 143 to page 147.
http://www.yealink.com/Upload/T2X/T2X-V7...71_141.pdf