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Chapter 2: Configuring Basic Settings Web Management Interface Details
Page
2-13
Making a Call
Calling phone or extension numbers
To make a phone or extension number call:

Both ATA and the other VoIP device (i.e., another ATA or other SIP products) must have public
IP addresses, or

Both ATA and the other VoIP device (i.e., another ATA or other SIP products) are on the same
LAN using private or public IP addresses, or

Both ATA and the other VoIP device (i.e., another ATA or other SIP products) can be connected
through a router using a public or private IP addresses.
To make a call, first pick up the analog phone or turn on the speakerphone on the analog phone,
input the IP address directly, end with #.
Direct IP calls
Direct IP calling allows two phones, that is, an ATA with an analog phone and another VoIP Device,
to talk to each other without a SIP proxy. VoIP calls can be made between two phones if:

Both ATA and the other VoIP device (i.e., another ATA or other SIP products) have public IP
addresses, or

Both ATA and the other VoIP device (i.e., another ATA or other SIP products) are on the same
LAN using private or public IP addresses, or

Both ATA and the other VoIP device (i.e., another ATA or other SIP products) can be connected
through a router using public or private IP addresses.
To make a direct IP call, first pick up the analog phone or turn on the speakerphone on the analog
phone, Input the IP address directly, with the end “#”.
Call Hold
While in conversation, pressing the “*77” to put the remote end on hold, then you will hear the
dial tone and the remote party will hear hold tone at the same time.
Pressing the “*77” again to release the previously hold state and resume the bi-directional media.
Blind Transfer
Assume that call party A and party B are in conversation. Party A wants to Blind Transfer B to C:
Party A dials “*78” to get a dial tone, then dials party C’s number, and then press immediately key
# (or wait for 4 seconds) to dial out.
A can hang up.
Attended Transfer
Assume that call party A and B are in a conversation. A wants to Attend Transfer B to C: