Grandstream Networks HandyTone HT286 Product Related Questions

HandyTone Series FAQs
Q: What are the main differences between the 7 models of Handytones?
Features HT286
1 RJ45
Ethernet Ports
(LAN)
DHCP/NAT/Route
No
r
FXS Port 1
FXO Port No
PSTN Pass-
No
through Port
Remote TFTP/HTT
Configuration P
Q: Can you explain the use of 'PSTN pass through' and 'FXO port'?
PSTN Pass through port:
What it can do:

Local manual switching between PSTN and IP mode on a per call basis.

User can switch to PSTN line by pressing *00 (or the configured strings) for each call
before they are placed. The device will revert back to the default IP mode once the phone
is hung up.

It can allow a PSTN call to ring/call the phone connected to the FXS port.

It also serves as a life line in case of power outage.
What it CANNOT do:

Terminate a VoIP call into the PSTN port

Allow a call from PSTN to route other VoIP devices (different from the FXS phone) over
the IP network

Automatically route calls made by the local user to PSTN line
Note: On the HT486 Rev 1.0, the PSTN port is only a life line port that switches to the PTSN
network only when there is a loss of power.
FXO port:
It can support all the functions of a PSTN pass through plus:
Product Related Questions
HT386 HT486
2 RJ45
1 RJ45
(LAN/WAN
(LAN)
)
No Yes
2 1
No No
Yes Yes
TFTP/HTT
TFTP/HTTP TFTP/HTTP TFTP/HTTP TFTP/HTTP
P
HT488
HT496
HT503
2 RJ45 2 RJ45
(LAN/WAN (LAN/WAN
) )
Yes Yes
1 2
1 No
Yes No
HT502
2 RJ45
(LAN/WAN
)
Yes
2
No
No