asterisk users - Oct 2005 - Asterisk as H323 gateway

Is there anyone who is currently using Asterisk as a production H323
gateway?

And using which combination of asterisk and H323 (chan_h323, chan_oh323?)

The main issue is interoperability with other H323 parties (Cisco AS53xx,
Nextone, etc).

Searching the mailing list it seems that both h323 and oh323 are not so
stable, is it only an impression or using h323 is really not so advisable?


Francesco Pellegrini
pellegrini@frameweb.it

I have setup Asterisk with chan_oh323 to connect to the PSTN over H.323 in 
Buenos Aires, Argentina. Currently I'm using direct connections to the 
telephone company's (iplan) H.323 gateway, but I'm working on using an 
intermediate H.323 gatekeeper to take advantage of the telephone company's 
redundant servers. I think the telco uses Cisco hardware, but I'm not 
completely sure.

We've just started using this, but it seems stable so far.


On Tue October 4 2005 06:28, asterisk@frameweb.it wrote:
> Is there anyone who is currently using Asterisk as a production H323
> gateway?
>
> And using which combination of asterisk and H323 (chan_h323, chan_oh323?)
>
> The main issue is interoperability with other H323 parties (Cisco AS53xx,
> Nextone, etc).
>
> Searching the mailing list it seems that both h323 and oh323 are not so
> stable, is it only an impression or using h323 is really not so advisable?
>
>
> Francesco Pellegrini
> pellegrini@frameweb.it
>
>
>
>
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-- 
Juan Jose Comellas
(juanjo@comellas.com.ar)

Juanjo,

can you provide some more detail about which version you are using both for
asterisk and OpenH323, the hardware dimensioning and the amount of traffic
you manage with this solution: how many lines, codecs you use?

We should manage a full blown PRI (30 channels), the server is SuperMicro
with P4DP8G2 motherboard, dual Xeon 2,8 GHZ, 2 GB RAM and dual SCSI 15K HD
in  RAID 0.

We plan to use G729 codec and a Digium TE110P Card.

Any detail will be very useful....

brgds

Francesco Pellegrini


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On 10/4/05, Juan Jose Comellas <juanjo at comellas.com.ar>
wrote:
> I have setup Asterisk with chan_oh323 to connect to the PSTN over H.323
in
> Buenos Aires, Argentina. Currently I'm using direct connections to the
> telephone company's (iplan) H.323 gateway, but I'm working on using
an
> intermediate H.323 gatekeeper to take advantage of the telephone
company's
> redundant servers. I think the telco uses Cisco hardware, but I'm not
> completely sure.
>
> We've just started using this, but it seems stable so far.

Dear comunity:

I use a r2mf converter called SignalPath model 201-SA from Encore
Networks, i configure my Asterisk Box and i receive calls wothout
problem, but when i try to make a Outgoing call, sound a busy signall
after few seconds.

I Think is a lost parameter in my zapata.conf file, but if anybody has
experience with this kind of product and asterisk, your help are welcome.

my zapata. looks this way:

context=incalls
switchtype=euroisdn
pridialplan=unknown
prilocaldialplan=unknown
signalling=pri_cpe
usecallingpres=yes
usecallerid=yes
callerid=asreceived
hidecallerid=no
callwaiting=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=yes
echotraining=yes
rxgain=-5.0
txgain=-5.0
group=1
callgroup=1
immediate=no
accountcode=Telmex-52766102
musiconhold=default
channel =>  1-15,17-46,48-62

My converter are PRI-Net, an take the syncronicity from R2mf Link.

My zaptel.conf:

span=1,0,0,ccs,hdb3
bchan=1-15,17-31
dchan=16

span=2,0,0,ccs,hdb3
bchan=32-46,48-62
dchan=47

Thanks in advanced....... Fernando Romo
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