Avaya T3 IP Service Manual page 210

2 Service Operations
2.29.2.2 Parametrization of the AEI/Headset–Link
You can set the application you wish to run via the AEI/ Headset link on the telephone
menu:
– Headset
– Comfort headset
– Comfort headset
– Ext. Hands–free
– Second handset
– Call recording
– DSS module
– Switch–contact module (e.g. for door device, second alarm)
The AEI/Headset link allows you to run several applications in parallel via the AEI–XY
interface.
– DSS module
and
– Switching–contact module (application: door device or second alarm)
and
– Headset or Comfort Headset or ext. hands free or Second handset or
Call recording
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2.29 Links and acessories
Page 210