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cwhitten at metronetsy...
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 Posted: Sat Feb 16, 2008 7:42 pm Post subject: [asterisk-users] Asterisk H.248 Support |
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I have been searching for some documentation that would indicate if
Asterisk supports H.248 and everything I have come across seems to
indicate I should use MGCP which I would agree is a better choice but
unfortunately the equipment I am trying to integrate only does H.248.
Could anyone point me to something related to this.
--
Chad Whitten
Metro Network Solutions
(601) 366-6630 Phone
(601) 366-6066 Fax
(601) 842-6804 Cellular
(601) 519-4172 Pager
cwhitten at metronetsys.com |
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jarruda-asterisk at ja...
Guest
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| Posted: Sat Feb 16, 2008 8:05 pm Post subject: [asterisk-users] Asterisk H.248 Support |
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Chad Whitten wrote:
| Quote: | I have been searching for some documentation that would indicate if
Asterisk supports H.248 and everything I have come across seems to
indicate I should use MGCP which I would agree is a better choice but
unfortunately the equipment I am trying to integrate only does H.248.
Could anyone point me to something related to this.
|
I've not seem anything on Asterisk being used as a Call Agent for H.248
gateways, but I've seem the question pop-up at least a couple of times
in the past.
I understand there are quite few gateways out there that support H.248
in one flavor or another. I remember Nortel (used to work there) has at
least the PVGs/MG7k/15k (high density trunking gateways, quite
interesting in terms of carrier grade features, like
non-service-interrupting sw upgrades and etc) and some other gear that
would run with H.248, also Calix had at least some sw version that would
do H.248. Isn't H.248/Megaco a kind of 'son-of-MGCP' ?
I wonder how much effort would be required to implement MGC/call-agent
capabilities in asterisk.. |
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cwhitten at metronetsy...
Guest
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| Posted: Sat Feb 16, 2008 8:13 pm Post subject: [asterisk-users] Asterisk H.248 Support |
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Im not looking for a call agent but rather gateway functionality for a
lab setting to provide dial tone v h.248 to client gateways.
On Feb 16, 2008 5:05 PM, Julio Arruda <jarruda-asterisk at jarruda.com> wrote:
| Quote: | Chad Whitten wrote:
| Quote: | I have been searching for some documentation that would indicate if
Asterisk supports H.248 and everything I have come across seems to
indicate I should use MGCP which I would agree is a better choice but
unfortunately the equipment I am trying to integrate only does H.248.
Could anyone point me to something related to this.
|
I've not seem anything on Asterisk being used as a Call Agent for H.248
gateways, but I've seem the question pop-up at least a couple of times
in the past.
I understand there are quite few gateways out there that support H.248
in one flavor or another. I remember Nortel (used to work there) has at
least the PVGs/MG7k/15k (high density trunking gateways, quite
interesting in terms of carrier grade features, like
non-service-interrupting sw upgrades and etc) and some other gear that
would run with H.248, also Calix had at least some sw version that would
do H.248. Isn't H.248/Megaco a kind of 'son-of-MGCP' ?
I wonder how much effort would be required to implement MGC/call-agent
capabilities in asterisk..
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--
Chad Whitten
Metro Network Solutions
(601) 366-6630 Phone
(601) 366-6066 Fax
(601) 842-6804 Cellular
(601) 519-4172 Pager
cwhitten at metronetsys.com |
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| Back to top |
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jarruda-asterisk at ja...
Guest
|
| Posted: Sat Feb 16, 2008 9:32 pm Post subject: [asterisk-users] Asterisk H.248 Support |
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Chad Whitten wrote:
| Quote: | Im not looking for a call agent but rather gateway functionality for a
lab setting to provide dial tone v h.248 to client gateways.
|
From what I understand, the Media Gateway (in Megaco world language),
is the 'client' if you will, while the call server/softswitch/call
agent, is the 'inteligence'.
If you have a gateway (either a small one or a trunk one), you would
need yes, a Call Agent.
I found this interesting link that has a summary on this..
http://www.javvin.com/protocolVOIP.html
Who provides the Dial Tone would be, I assume, the gateway, the
"client", either a "line side" one, like the Calix, MG9000 or others, or
a trunk side gateway, like the MG15K in Nortel NGN deployments.
In a Nortel CS2000/CS2Kc NGN, the 'megaco/h248 call agent' would be the
call server itself (actually, the gateway controllers, that translate
from PPVM to H.248, from what I can remember).
You may also want to check if your gateway can't be changed to use
another protocol, since H.248, AFAIK, is not exactly much supported in
the OSS world
| Quote: | On Feb 16, 2008 5:05 PM, Julio Arruda <jarruda-asterisk at jarruda.com> wrote:
| Quote: | Chad Whitten wrote:
| Quote: | I have been searching for some documentation that would indicate if
Asterisk supports H.248 and everything I have come across seems to
indicate I should use MGCP which I would agree is a better choice but
unfortunately the equipment I am trying to integrate only does H.248.
Could anyone point me to something related to this.
|
I've not seem anything on Asterisk being used as a Call Agent for H.248
gateways, but I've seem the question pop-up at least a couple of times
in the past.
I understand there are quite few gateways out there that support H.248
in one flavor or another. I remember Nortel (used to work there) has at
least the PVGs/MG7k/15k (high density trunking gateways, quite
interesting in terms of carrier grade features, like
non-service-interrupting sw upgrades and etc) and some other gear that
would run with H.248, also Calix had at least some sw version that would
do H.248. Isn't H.248/Megaco a kind of 'son-of-MGCP' ?
I wonder how much effort would be required to implement MGC/call-agent
capabilities in asterisk.. |
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