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Greeting Jacob, Since
you are new to IP I would work with an Asterisk provider/builder if you can,
you will save money and headaches. You
will need an asterisk box with network cards in both locations. You
will need a DID provider on both ends. You
do not need a channel bank, ISDN lines, ISDN cards, FXO, FSO and all that
because you are VOIP. VoIP only needs an Ethernet connection to the internet.
DID providers convert your PSTN bound traffic for you, and you don’t need
to buy the equipment. DID’s are cheaper then
T-1’s and ISDN parts and service. Have
the DID provider route your calls from his PSTN gateway as sip to your Asterisk
box. Then use the asterisk dial plans, Extension.conf, to send calls to each
extension. On
the remote end use asterisk to send calls out to a DID provider and do the
reverse. Don’t
buy a channel bank and TDM stuff, use VOIP. The
DID providers will collect your calls from the PSTN and send them to your
asterisk box as SIP calls. All you need to do is register your sip phones with
asterisk. Then have asterisk register itself with the DID providers. Come
to think of it you only need one asterisk server. Have it register with the DID
providers in the countries you want to make calls to and receive calls from. SIP
phone -----àasterisk---à DID provider --à PSTN The
reverse works too. To
call your remote office, just dial the extension number. SIP phone -----àasterisk---à remote SIP Phone -----Original Message----- I am looking for a setup something
like the following. I have two offices, one located in the US and one in
Australia. I would like to implement a solution whereby I would install a
gateway in each of the two offices. When calls are made to a few numbers
in the US, the calls would be routed over the gateway to the one in
Australia. The gateway in Australia would dial out to a pre-defined
number/set of numbers to complete the call. What is the minimum
hardware/software configuration I would need to complete this sort of
setup? I am relatively new to the concepts behind VOIP, so any help would
be greatly appreciated. Is there anyone with a similar setup to this that
has any suggestions/tips? Thanks, Jacob Jacob Arthur, MCP ATS |
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