3-Way Conferencing; Send And Receive Pstn Calls; Voip-To-Pstn Calls; Pstn-To-Voip Calls - Grandstream Networks HandyTone-488 User Manual

HandyTone-488 User Manual
Note: When intended Transfer failed, if A hangs up, the HandyTone-488 will ring user A again to
remind A that B is still on the call, by pressing FLASH or Hook again will restore the conversation
between A and B.
5.2.5

3-way Conferencing

Assuming that call party A and B are in conversation. A wants to bring C in a conference:
1. A presses FLASH (on the analog phone, or Hook Flash for old model phones) to get a dial
tone.
2. A dials *23 then C's number then # (or wait for 4 seconds). A and C are now in conversation.
3. A presses FLASH again to begin conference.
5.2.6

Send and Receive PSTN Calls

Users can send and receive calls from PSTN. To receive PSTN calls, simply take the phone off hook
when the analog phone rings. To make a PSTN call, first press *00 (or your own PSTN Access Code)
to get the PSTN line dial tone and dial the PSTN number.
5.2.7

VoIP-to-PSTN Calls

To make a VoIP-to-PSTN call, users need to dial the FXO SIP account phone number first. A ring tone
is played once followed by a dial tone. At this time, users can dial a PSTN telephone number or a
mobile telephone number then # (or wait for 4 seconds). The call will be established afterwards. If no
PSTN number is entered after the dial tone, HandyTone-488 will hang up automatically in 10 seconds.
In the web configuration page, if the Route to PSTN field is configured, the second stage dialing is
eliminated. That is, after users dial the FXO SIP account number, the PSTN number will be called
automatically.
5.2.8

PSTN-to-VoIP Calls

To make a PSTN-to-VoIP call, PSTN callers need to originate a call to the FXO port telephone number
first. If no one answers the FXS phone after 4 (default value, can be configured) ring tones, a dial tone
is played. At this time, users can dial a VoIP telephone number then # (or wait for 4 seconds). The call
will be established afterwards. If no VoIP number is entered after the dial tone, HandyTone-488 will
hang up automatically in 10 seconds.
In the web configuration page, if the Route to VoIp field is configured, the second stage dialing is
eliminated. That is, after users dial the FXO port telephone number, the VoIP number will be called
automatically.
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