Specifications

Administrator's Manual 22. Supplementary Services
22.12 Enabling Electronic Hook Switch
Electronic Hook Switch (EHS) can be enabled using the Web or Configuration File, as
described below.
 To enable EHS:
 Using the Web:
1. Access the ‘Services’ page (Configuration tab > Voice Over IP menu >
Services).
Figure 22-10: EHS Web Fields
2. Configure the EHS parameters according to the table below, and then click
Submit.
 Using the Configuration file:
Table 22-11: EHS Parameters
Parameter Description
Electronic Hook Switch
[voip/services/electronic_hook_switch/enabled]
Enables the EHS DHSG feature.
 [0] Disable (default)
 [1] Enable
DHSG is the protocol that uses the special
AUX port.
Supporting headsets can be connected to
the AUX port (in addition to the regular
headset port). This allows the user to
connect and disconnect calls by pressing
the button on the headset.
Version 2.0.0 149 October 2012