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HandyTone 286 User Manual Grandstream Networks, Inc.
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5.2 Make Phone Calls
5.2.1 Calling phone or extension numbers
There are currently two methods to make an extension number call:
1) Dial the extension number directly and wait for 5 seconds.
2) Dial the numbers directly, and press # (Assuming that “use #” as dial key is
selected in web configuration. For detail, see section 5.2 configure Handytone
using web browser).
Other functions available during the call are call-waiting/flash, call-transfer, and call-
forwarding.
5.2.2 Direct IP calls
Direct IP calling allows two phones to talk to each other in an ad hoc fashion without a
SIP proxy. VoIP calls can be made between two phones, if:
both HandyTone ATA and other VOIP Devices(i.e., another HandyTone ATA or
other IP phone) have public IP addresses, or
both HandyTone ATA and other VOIP Devices(i.e., another HandyTone ATA or
other IP phone) are on a same LAN using private or public IP addresses, or
both HandyTone ATA and other VOIP Devices(i.e., another HandyTone ATA or
other IP phone) 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 access the voice menu prompt by dial “***” or press the
button on the HT286, and dials “47” to access the direct IP call menu. User will hear a
voice prompt “Direct IP Calling” and a dial tone. Then user dials the 12-digit target IP
address to make a call.
If there is a user name part in the target address, such as username@192.168.10.123,
encode the user name part (see the following encoding scheme table), followed by *3
(encoding for “@”) and then followed by the 12-digit target IP address. Destination
ports can also be specified using *4 (encoding for “:”) followed by the encoded port
number.
The follow is a table of the encoding scheme for the most commonly used characters: