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DV-302 OPERATION MANUAL
9.3 Service
Additional call features are supported as configured on the Service screen. When the DV-302
is disconnected from the internet or not registered on the SIP server, it can be configured for
Play Announcement or PSTN Relay. If Play Announcement is selected, you will hear the
announcement as "the internet phone is not available." If PSTN Relay, is selected the
connection will be automatically switched to the Backup port (when an optional Backup port is
in use).
All Supplementary services can be managed by either the DV-302 or the Network host.
By default, Basic Supplementary service is handled by the Network host.
Instruction
To activate Supplementary services on the DV-302, use telnet command
Release the "Don‟t use local service code" by clicking the radio button
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