[asterisk-users] Call Termination Provider Madness

[Michel Verbraak]

Op 03-10-12 01:17, Chris Nighswonger schreef:
> On Tue, Oct 2, 2012 at 5:30 PM, Chris Bagnall
> <asterisk at lists.minotaur.cc> wrote:
>> On 2/10/12 6:51 pm, Carlos Alvarez wrote:
>>> Your traffic level, number of concurrent calls, etc would help us know
>>> what
>>> sort of carrier you should be talking to.
>>
>> Equally important, your geographic location, and the geographic location to
>> which most of your calls are made will be useful in helping list members
>> advise you.
> We do ~4000+ min of outbound calling per month and just about that
> inbound. Not a large volume. We have four DID's (one of which is 800).
>
> Our calling patterns are mostly the lower 48 with a smattering
> international. We are located in NC.
>
> RTP is the problem in the FW. I just cannot see opening all RTP ports
> to $universal. But I'm probably missing a key piece of information.
> :-)
>
> Kind Regards,
> Chris
>
Chris,

Have a look at your /etc/asterisk/rtp.conf file. In it you specify the
UDP portrange your asterisk will use for RTP traffic. change the
rtpstart and rtpend to your needs and set them open in your FW. Do not
make the range too small each active call will normally take one RTP
channel incoming and one RTP channel outgoing.
I have mine set to for example: rtpstart=10000 and rtpend=10100. This
should be enough for 100 simultanious calls.

Regards,

Michel.
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