User manual

CRA-210 User Manual Guide
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4.2.4.3. Local Extension
This option allows you to make a call between the Extension without connecting to
VoIP Gateway or SIP Proxy Server. This Local Extension and their prefix can be
configured in the below mentioned path.
VoIP Config -> Local Extension -> Extension Naming -> Phone1 / Phone2.
4.2.4.4. ATA’s Advanced Features
Advanced Features
Stun Server Used to find out its public address when clients behind the
NAT. Usually ITSP will provide these settings.
Blind Transfer Extension Use a *5 for Blind Transfer.
Attended Transfer Extension Use a *7 for Attended Transfer.
Conference Extension Use this prefix to initiate a conference from this ATA & then
you can add users by dialing a phone number followed by a *.
DND Extension You can block/allow incoming call to this extension by
dialing *11.
Outgoing Call
Block Extension
You can block/allow outgoing call from this extension by
dialing *00.