[asterisk-users] res_pjsip endpoint config object's 'identify_by' option needs new value "uri".

[Kevin Harwell]

On Fri, Mar 6, 2015 at 3:46 PM, Dmitriy Serov <serov.d.p at gmail.com> wrote:

>  07.03.2015 0:24, Kevin Harwell пишет:
>
>  On Fri, Mar 6, 2015 at 2:06 PM, Dmitriy Serov <serov.d.p at gmail.com>
> wrote:
>
>>  Hello.
>>
>> Asterisk 13.2.
>> I transfer configs from chan_sip to res_pjsip.
>> In chan_sip i have "match_auth_username=yes" and have nothing in pjsip.
>>
>> I have a lot of endpoints and registrations on same SIP server. And it's
>> problem in pjsip now. Is not it?
>>
>> I requesting to add new value for endpoint option identify_by. The value
>> 'uri'.
>> Simple config (cutted):
>>
>> [siptrunk]
>> type=registration
>> transport=udp-transport
>> outbound_auth=siptrunk
>> server_uri=sip:sip.example.comclient_uri=sip:1234567890 at sip.example.com
>> retry_interval=60
>> contact_user=siptrunk-in
>>
>> [siptrunk-in]
>> type=endpoint
>> transport=udp-transport
>> context=from-trunk
>> disallow=all
>> allow=ulaw
>> outbound_auth=siptrunk
>> aors=siptrunk
>> identify_by=uri
>>
>>
>> Registration section has option "contact_user". Incoming call from this
>> registration will be INVITE sip:siptrunk-in at ....
>> I offer to change res_pjsip_endpoint_identifier_user to realize endpoint
>> identification by sip uri.
>>
>> I think it will be usefull.
>>
>> P.S. i hope issues will be rejected:
>> https://issues.asterisk.org/jira/browse/ASTERISK-22306 and SWP-6069
>>
>>
>> Dmitriy Serov
>>
>> -
>>
>
>  I believe what you are looking for is already available. See the
> "identify" type (type=identify) section that is in the pjsip.conf file and
> the "identify" option for endpoints. These allow you to identify and
> endpoint by IP address.
>
> For more information see the pjsip.conf.sample file.  Also take a look at
> configuring Asterisk for res_pjsip [1] specifically the part about
> configuring endpoint identification by IP address [2]. If you run into
> problems more information can also be found in the res_pjsip
> troubleshooting guide [3], specifically the section on "identify by IP
> address"
>
> [1] https://wiki.asterisk.org/wiki/display/AST/Configuring+res_pjsip
> [2]
> https://wiki.asterisk.org/wiki/display/AST/Asterisk+12+Configuration_res_pjsip_endpoint_identifier_ip
> [3]
> https://wiki.asterisk.org/wiki/display/AST/Asterisk+PJSIP+Troubleshooting+Guide
>
>  Hope that helps,
>
>
> Thank you for answer. But...
> ones again: I have a lot of endpoints and registrations on same SIP
> server. And it's problem in pjsip now. Is not it?
>
> Simple Example. I have two trunks with their own credentials (and did) to
> the same sip server:
> - for home
> - for bussiness
>
> [home-example.com-endpoint]
>
> [bussiness-example.com-endpoint]
>
> [home-example.com-registration]
> contact_user=home-example.com-endpoint
>
> [bussiness-example.com-registration]
> contact_user=bussiness-example.com-endpoint
>
> ;and ok... i wrote identify by IP section
> [example.com-identify]
> type=identify
> match=example.com
> endpoint= ???
>
> It is very! important for me to know what trunk passes through the
> incoming call: home or bussiness.
> 1. Identify by IP. Do you have answer?
> 2. Identify by username. What? I can't make endpoints to all of my
> contacts.
>
> Ok. I can use contact_user in registraction and route incoming call by
> INVITE uri.
> Can i?
>
> Dmitriy Serov
>
>
>
I don't think I fully understand the scenario, but if you have different
named endpoints originating from the same address (or even different
addresses) then these can be identified by the username portion of the sip
uri. However, if you have endpoints for instance with the same name, but
different addresses then these can be distinguished by using the identity
type.

Your scenario looks like the first option. The endpoint names are
different, but the address is the same, so identification based on the
username should be sufficient.

However, if you have a mix of both types on your system, for instance
multiple endpoints on two different systems (IP addresses) with the same
names, then I am unsure how you would select the correct endpoint even
while attempting to "identify_by" uri.

-- 

Kevin Harwell
Digium, Inc. | Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at: http://digium.com & http://asterisk.org
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