[sr-dev] git:master: RTPProxy: Documentation improvements

Ovidiu Sas osas at voipembedded.com
Thu Nov 8 18:10:21 CET 2012


What about the '1' and '2' flags?

-ovidiu

On Thu, Nov 8, 2012 at 12:08 PM, Carsten Bock <carsten at ng-voice.com> wrote:
> Hi,
>
> you may use X, IE and EI with both rtpproxy and with mediaproxy-ng.
> All differences between the two implementation are queried by the
> rtpproxy-module, so i see no real reason to differentiate the modules.
> You would find similar differences when running different versions of
> rtpproxy, but the rtpproxy module handles these differences
> internally.
>
> Carsten
>
> 2012/11/6 Ovidiu Sas <osas at voipembedded.com>:
>> It is not good to have the same module talking different protocols
>> with different rtpproxy servers if there's no clean separation between
>> them.  It seems that this new features are supported by the new fork
>> of rtpproxy, while the basic rtpproxy is left behind.  This will
>> create confusion for first time users.
>> Maybe we should have a new module - rtpproxy-ng sitting on top of the
>> existing rtpproxy.  Or keep only one module, but with tight control
>> over parameters that are passed.  This will be tricky if rtpproxy
>> servers are mixed with rtpproxy-ng servers and all are controlled by
>> the same instance of kamailio.
>>
>> Regards,
>> Ovidiu Sas
>>
>> On Tue, Nov 6, 2012 at 1:47 PM, Carsten Bock <carsten at ng-voice.com> wrote:
>>> Hi,
>>>
>>> in this case no error would be reported from the module, it would
>>> translate the x to ie/ei and probably add the ie parameters too. The
>>> ngcp-mediaproxy-ng ignores this, i'm not sure about the rtpproxy.org,
>>> though.
>>> Probably something, i should look at.
>>>
>>> Carsten
>>>
>>> 2012/11/6 Ovidiu Sas <osas at voipembedded.com>:
>>>> What will happen is you call offer/answer with "iex" or "xie" flags?
>>>> Will this be flagged as an error?
>>>>
>>>> -ovidiu
>>>>
>>>> On Tue, Nov 6, 2012 at 11:00 AM, Carsten Bock <carsten at ng-voice.com> wrote:
>>>>> Hi Ovidiu,
>>>>>
>>>>> that won't work, since you would have to call rtpproxy_manage("IE")
>>>>> for the request and rtpproxy_manage("EI") for the reply.
>>>>> Since this flag will check for IPv4/v6 in the SDP, the reply would
>>>>> send "IE" for both request and reply.
>>>>>
>>>>> Carsten
>>>>>
>>>>> 2012/11/6 Ovidiu Sas <osas at voipembedded.com>:
>>>>>> Hello Carsten,
>>>>>>
>>>>>> This flag could be also used for bridging between private and public
>>>>>> IPv4 networks as it is only a shortcut between "ie" and "ei" flags,
>>>>>> unless I missed something here.  Is that right?
>>>>>>
>>>>>> Regards,
>>>>>> Ovidiu Sas
>>>>>>
>>>>>> On Tue, Nov 6, 2012 at 10:34 AM,  <admin at sip-router.org> wrote:
>>>>>>> Module: sip-router
>>>>>>> Branch: master
>>>>>>> Commit: 5b6f68ae0dc50c05902ace37f1081b19bda0320e
>>>>>>> URL:    http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=5b6f68ae0dc50c05902ace37f1081b19bda0320e
>>>>>>>
>>>>>>> Author: Carsten Bock <carsten at ng-voice.com>
>>>>>>> Committer: Carsten Bock <carsten at ng-voice.com>
>>>>>>> Date:   Tue Nov  6 16:32:50 2012 +0100
>>>>>>>
>>>>>>> RTPProxy: Documentation improvements
>>>>>>> - added a note about compatibility with different implementations for the "x"-flag (namely RFC 4091 and RFC 6157)
>>>>>>> - made more clear, that "x" is only a shortcut for the "IE" and "EI" flags of RTPProxy
>>>>>>>
>>>>>>> ---
>>>>>>>
>>>>>>>  modules/rtpproxy/doc/rtpproxy_admin.xml |    8 +++++++-
>>>>>>>  1 files changed, 7 insertions(+), 1 deletions(-)
>>>>>>>
>>>>>>> diff --git a/modules/rtpproxy/doc/rtpproxy_admin.xml b/modules/rtpproxy/doc/rtpproxy_admin.xml
>>>>>>> index e3a403e..b7f719e 100644
>>>>>>> --- a/modules/rtpproxy/doc/rtpproxy_admin.xml
>>>>>>> +++ b/modules/rtpproxy/doc/rtpproxy_admin.xml
>>>>>>> @@ -343,11 +343,17 @@ rtpproxy_offer();
>>>>>>>                                 the 'w' flag for clients behind NAT! See also above notes!
>>>>>>>                                 </para></listitem>
>>>>>>>                                 <listitem><para>
>>>>>>> -                               <emphasis>x</emphasis> - this flag will do automatic bridging between IPv4 on the
>>>>>>> +                               <emphasis>x</emphasis> - this flag a shortcut for using the "ie" or "ei"-flags of RTP-Proxy,
>>>>>>> +                               in order to do automatic bridging between IPv4 on the
>>>>>>>                                 "internal network" and IPv6 on the "external network". The distinction is done by
>>>>>>>                                 the given IP in the SDP, e.g. a IPv4 Address will always call "ie" to the RTPProxy
>>>>>>>                                 (IPv4(i) to IPv6(e)) and an IPv6Address will always call "ei" to the RTPProxy (IPv6(e)
>>>>>>>                                 to IPv4(i)).
>>>>>>> +                               </para><para>
>>>>>>> +                               Note: Please note, that this will only work properly with non-dual-stack user-agents or with
>>>>>>> +                               dual-stack clients according to RFC6157 (which suggest ICE for Dual-Stack implementations).
>>>>>>> +                               This short-cut will not work properly with RFC4091 (ANAT) compatible clients, which suggests
>>>>>>> +                               having different m-lines with different IP-protocols grouped together.
>>>>>>>                                 </para></listitem>
>>>>>>>                                 <listitem><para>
>>>>>>>                                 <emphasis>f</emphasis> - instructs rtpproxy to ignore marks
>>>>>>>
>>>>



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