Avaya 400 E&M Tie Line Module
![Avaya 400 E&M Tie Line Module](https://s.turbifycdn.com/aah/headsetzone/avaya-400-e-m-tie-line-module-14.png)
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400 E&M Tie Line Module eliminates toll expenses and adds a true PBX feature-tie line support.Connects your Merlin Magix System to a remote PBX, another Merlin Magix or a Merlin Legend System Enables calls between systems to be handled as internal Enables transfering outside calls between systems Connects up to four 4-wire E&M tie lines