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2.5 Make Phone Calls
2.5.1 Calling phone or extension numbers
There are currently two methods to make a extension number call:
a) Dial the numbers number directly and wait for 4 (default) seconds.
b) Dial the numbers directly, and press # (assuming that “use #” as dial key is selected
in web configuration).
Other functions available during the call are call-waiting/flash, call-transfer, and call-
forwarding.
2.5.2 Direct IP calls
Direct IP calling allows 2 phones, that is, a VoIP gateway with a analog phone and another
VoIP Device, to talk to each other in an ad hoc fashion without a SIP proxy. VoIP calls can be
made between two phones if:
• both IPS-3101h and other VoIP Device(i.e., another IPS-3101h or other IPS-3101h)
have public IP addresses, or
• both IPS-3101h and other VoIP Device(i.e., another IPS-3101h or other IPS-3101h)
are on the same LAN using private or public IP addresses, or
• both IPS-3101h and other VoIP Device(i.e., another IPS-3101h or other IPS-3101h)
can be connected through a router using public or private IP addresses.
To make a direct IP calling, first pick up the analog phone or turn on the speakerphone on the
analog phone, then follow Section 4.1 with voice prompt 47, followed by the 12-digit target IP
address. Destination ports can also be specified using *4 (encoding for “:”) followed by the
encoded port number.
2.5.3 Send and Receive PSTN Calls Through PSTN Line Port
Starting with VoIP gateway, user will be able to send and receive calls from PSTN. To
receive PSTN calls, simply make phone off hook when the analog phone rings. To make a
PSTN call, simply press *00 to get the PSTN line dial tone and dial the PSTN number.The
follow is a table of the encoding scheme for the most commonly used characters:
F
00 0
01 1
02 2
03 3
04 4
05 5
06 6
07 7
08 8