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Two-Way Voice Intercom Not Working MLX-10D

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iamlegend

IS-IT--Management
Jul 1, 2003
25
US
I have a single MLX-10 unit that is not working in two-way voice intercom conversations. The unit is set with HFAI on, but when the unit is paged over voice intercom, the paging party cannot hear the response over the mic. The paged party can hear the paging party over the speaker just fine. The ring intercom function works just fine. Is there some special setting to be checked for this? I checked all of the Voice Announce functions, and it is identical to all of the other phones. Any help is appreciated.

 
Another point to check is if all pairs are punched down at the jack and the 66 block going into the system. MLX phones will function with only 2-pairs, but they can run into issues with voice announce.
 
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