[asterisk-users] PJSIP configuration for AWS/EC2 based Asterisk 13.1.0

[Scott Griepentrog]

BTW, the allow=!all is equivalent to disallow=all, so you can drop the
disallow line.

On Thu, Mar 5, 2015 at 7:26 PM, Sonny Rajagopalan <
sonny.rajagopalan at gmail.com> wrote:

> OK. I think I found the issue.
>
> The key is to add
>
> rtp_symmetric=yes
>
> Here's what my final configuration looks like:
>
> [transport-udp]
>
> type=transport
>
> protocol=udp
>
> bind=0.0.0.0
>
> ;; for within EC2
>
> local_net=172.31.32.0/20
>
> ;; For softphones within EC2
>
> local_net=192.168.1.0/24
>
> external_media_address=<publicIPOfEC2Instance>
>
> external_signaling_address=<publicIPOfEC2Instance>
>
> ;Templates for the necessary config sections
>
>
> [endpoint_internal](!)
>
> type=endpoint
>
> context=from-internal
>
> disallow=all
>
> allow=!all,ulaw
>
> direct_media=no
>
> rtp_symmetric=yes
>
>
>
> On Thu, Mar 5, 2015 at 5:52 PM, Sonny Rajagopalan <
> sonny.rajagopalan at gmail.com> wrote:
>
>> Hello All,
>>
>> I have an Asterisk server v13.1.0 running on EC2 and I am able to connect
>> and register SIP devices and "see" them on the asterisk CLI. I am also able
>> to place calls, but I am not able to hear any audio on either end after the
>> call is picked up.
>>
>> I was wondering if you can tell me what a minimal configuration for
>> Asterisk on EC2 looks like. My current pjsip.conf configuration looks
>> like this:
>>
>> type=transport
>> protocol=udp
>> bind=0.0.0.0
>> local_net=172.31.32.0/20
>> ; In the following two lines, replace "<publicIP>" with the output of
>> ; curl -s http://169.254.169.254/latest/meta-data/public-ipv4
>> external_media_address=<publicIP>
>> external_signaling_address=<publicIP>
>>
>> [endpoint_internal](!)
>> type=endpoint
>> context=from-internal
>> disallow=all
>> allow=ulaw
>> direct_media=no
>>
>> [auth_userpass](!)
>> type=auth
>> auth_type=userpass
>>
>> [aor_dynamic](!)
>> type=aor
>> max_contacts=1
>> remove_existing=yes
>> ;Definitions for our phones, using the templates above
>>
>> ;; usernames and passwords etc. below
>>
>>
>> My security group configuration allows TCP, UDP posrt 5060 inbound,
>> outbound from/to 0.0.0.0/0 and TCP, UDP ports 10000-20000 from/to
>> 0.0.0.0/0.
>>
>> Should I turn on STUN for my zoiper softphones? Any specific flavor?
>>
>> What am I doing wrong? Any help appreciated.
>>
>>
>
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Scott Griepentrog
Digium, Inc · Software Developer
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