[Spce-user] Several trunks from Asterisk to NGCP

Andres Gmail aruizmorillas at gmail.com
Thu Feb 19 12:19:59 EST 2015


Thanks!!! I play with that and share the result!!


El 19/02/15 a las 18:12, Barry Flanagan escribió:
> On 19 February 2015 at 16:45, Andres Gmail <aruizmorillas at gmail.com 
> <mailto:aruizmorillas at gmail.com>> wrote:
>
>     Hi list,
>
>     I have an asterisk configured as vPBX. I need to configure
>     multiple trunks against NGCP but Asterisk does not support well
>     several trunks with the same "host" and starts doing weird things ....
>
>     What would be the best way to configure multiple trunks from
>     Asterisk to NGCP?
>
>     I set "allowguest = yes" and context by defaultis "incoming" where
>     I set all DDI's clients. In the NGCP I have marked "e164_to_ruri"
>     NGCP to send the called number and this works well.
>
>     How can we make outgoing calls from Asterisk with different sip
>     username?
>
>
> We do this by assigning each Asterisk tenant with a peer (we use 
> Asterisk Realtime db for this) and then send any outbound calls from 
> each tenant  via <number>@<tenant_peer>
>
> The key peer settings are:
>
> defaultuser: set this to the username you have set up in NGCP for this 
> subscriber
> fromdomain: set this to the domain the NGCP subscriber is in
> remotesecret: set this to the NGCP SIP password.
> outboundproxy: set this to the ip address of your NGCP server) this is 
> the trick - we are now telling Asterisk to forget about the actual 
> domain, but to send the calls via this proxy. It will get sent as 
> defaultuser at fromdomain which is what the NGCP expects to see, and it 
> will authenticate the call using the remotesecret.
>
> On NGCP, we set up these Asterisk users as standard subscribers with 
> password, but put in a Permanent Registration like 
> "sip:<ngcp_username>@<ip or hostname of your * box or proxy>:port" - 
> so any calls from NGCP will be send to Asterisk. On Asterisk we have 
> just a single inbound peer from NGCP - no need to set allowguests or 
> anything. All calls from NGCP -> Asterisk just come in on the one 
> trunk. Outbound calls Asterisk -> NGCP however, go out via the 
> individual tenant subscribers so NGCP picks up the correct subscriber 
> for the call.
>
> Hope this helps.
>
> -Barry Flanagan
>
>
>
>
>
>
>     Thanks in advance.
>
>
>     -- 
>     Saludos
>     ---
>     Andrés Ruiz
>
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>
>

-- 
Saludos
---
Andrés Ruiz

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