Andrew,
You are asking how to set something up without all the pieces necessary
to make it work. And you are describing developing a dialplan that does
not adhere to common conventions. That part is okay, you can define how
you route calls in-to and out-of your own voice network pretty much any
way you want.
The 3640 with an analog FXO is okay to act as a gateway to the PSTN. The
same router with FXS VIC ALSO will allow you to connect and originate
calls internally. However, you state you want to place "VOIP" phones on
the network behind the 3640. What "VOIP" phones would those be? If you
mean 79XX series IP Telephones from Cisco, you also need a CallManager
Server to control those phones.
As far as the dialing rules in this network, it is up to you what you use
to direct calls out to the world. Using "9" to classify all telephone
numbers that follow it as being sent to the PSTN is a convention not a
rule. The only real rule is that you have to give the system the means to
route a call based on what the User dials. AND, if you are handing the
call off to the PSTN or any other telephone switch, you have to give that
switch the call routing information (telephone number) that it needs to
route the call.
In coming calls are a whole different topic. Try reading one of the many
VoX books that are now available.
Hope this helps,
Bruce
Andrew Dorsett wrote:
Second call for this one. I never received any answers to my question. I
want to know how to setup the link between the VoIP phones and the FXO's.
Basically a dialplan, but how do I route inbound calls from the PSTN to
the VoIP phones? And how do I route outbound calls from the VoIP phones
over
the FXO to the PSTN? I would like to avoid a system that uses 9 to dial
an outside line. I want to do direct dialing to the PSTN without
any special steps.
Thanks,
Andrew
On Thu, 14 Nov 2002, Andrew Dorsett wrote:
Hey everyone, I'm playing with an idea. I want to get ahold of a 3640
with FXO's and interface it to the PSTN and connect to some VOIP phones
on
a network behind it. I have done all of my research on the CCO and have
found how to configure everything for phone connection and FXO
configuration.
However I haven't found out how to configure dialplans to dial the
outside
world. I basically need one that would say "all 4 digit dialed calls are
VoIP phones and all other numbers are outside PSTN phone numbers." And
another question that I haven't found is how to link inbound calls from
the PSTN to my VoIP phones. Say I have 555-1221 for one line and I want
it
as line 1 on my phones, and
555-1234 as the other line on my phones. I haven't found how to map the
inbound calls to a VoIP extension.
555-1221 -- | | | | | |
| 3640 |--------|SWITCH|-----|IP Phone|
555-1234 -- | | | | | |
My primary info source has been:
http://www.cisco.com/en/US/tech/tk652/tk701/technologies_configuration_example09186a00800ffdcc.shtml#ITS3660
Thanks,
Andrew
---
http://www.andrewsworld.net/ ICQ: 2895251
Cisco Certified Network Associate
"Learn from the mistakes of others. You won't live long enough to make
all
of them yourself."
http://www.andrewsworld.net/ ICQ: 2895251
Cisco Certified Network Associate
"Learn from the mistakes of others. You won't live long enough to make all
of them yourself."
--
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