[Freeswitch-users] RTP NAT No Audio on EC2

Fri Dec 19 12:02:56 MSK 2014

These have helped me in the past when dealing with NAT.

Chapter 12 'Handling NAT' of the FreeSWITCH 1.2 book

http://www.voip-info.org/wiki/view/NAT+and+VOIP

https://wiki.freeswitch.org/wiki/NAT

On 19 December 2014 at 03:12, <freeswitch-users-request at lists.freeswitch.org
> wrote:
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> Today's Topics:
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>    1. Provider Configuration: switch2voip.us (George F. Phelps)
>    2. Re: RTP NAT No Audio on EC2 (Brian West)
>
>
> ---------- Forwarded message ----------
> From: "George F. Phelps" <GeorgePhelps at gfphelps.com>
> To: <freeswitch-users at lists.freeswitch.org>
> Cc:
> Date: Thu, 18 Dec 2014 19:52:01 -0500
> Subject: [Freeswitch-users] Provider Configuration: switch2voip.us
> Could someone please provide an example, Freeswitch Provider Configuration
> for using a SIP trunk from switch2voip.us?
>
> I tried to use the tutorial (at the URL below), for the "Digest
> Authentication (Account & PIN)", as an example - but I have been
> unsuccessful.
>
>
>
> http://switch2voip.us/index.php/customer-support/byod/sip-trunking-configura
> tion
>
> Thanks!
>
>
>
>
>
>
> ---------- Forwarded message ----------
> From: Brian West <brian at freeswitch.org>
> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> Cc:
> Date: Thu, 18 Dec 2014 21:12:19 -0600
> Subject: Re: [Freeswitch-users] RTP NAT No Audio on EC2
> A good understanding of how NAT works is probably the best place to start,
> I'm not too sure which materials you should read to start off with...
> anyone have a link to a good primer on what NAT is and how the various
> versions of NAT work?
>
> On Thu, Dec 18, 2014 at 4:17 PM, Callum Guy <callum.guy at x-on.co.uk> wrote:
>>
>> Thanks for responding. I've retested from another location and the calls
>> are now working as expected without any change so I presume it was an issue
>> with the device/network I was calling from. Sorry to waste your time but I
>> still struggle with a workflow for determining RTP issues. Does anyone have
>> any advice for a good article/book which would help? Cheers
>> On 18 Dec 2014 20:44, "Brian West" <brian at freeswitch.org> wrote:
>>
>>> you need to set ext-sip-ip and ext-rtp-ip, and it looks like your client
>>> isn't providing you a valid ip address either.
>>>
>>> On Thu, Dec 18, 2014 at 11:28 AM, Callum Guy <callum.guy at x-on.co.uk>
>>> wrote:
>>>>
>>>> OK so i have been changing these options as recommended:
>>>>
>>>> <param name="sip-ip" value="1.2.3.4"/><param name="
>>>> 
>>>> rtp-ip" value="auto"/>
>>>> The SIP option I set to my real external (elastic) IP and it broke the
>>>> SIP comms - i removed that because SIP is working correctly.
>>>>
>>>> The RTP option was set as auto but this doesn't appear to have made any
>>>> noticeable difference.
>>>>
>>>> I haven't found any detailed information about what those fields
>>>> actually do so apologies for the shot-in-the-dark approach here.
>>>>
>>>> Any further ideas?
>>>>
>>>> ______________________________
>>>>
>>>> Callum Guy
>>>>
>>>> X-on
>>>> Framlingham Technology Centre
>>>> Station Road, Framlingham,
>>>> Suffolk, IP13 9EZ
>>>>
>>>> T       0333 332 0116
>>>> E       callum.guy at x-on.co.uk
>>>>
>>>>
>>>> X-on is a trading name of Storacall Technology Ltd a limited company registered in England and Wales
>>>> Registered Office : Avaland House, 110 London Road, Apsley, Hemel Hempstead, Herts, HP3 9SD
>>>> Company Registration No. 2578478
>>>>
>>>> This email has been sent from X-on.The contents and attachments are confidential to the sender and the intended addressees.If the message
>>>> is received by anyone other than the addressee please return the message to the sender by replying to it and then delete the message from
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>>>> been taken to avoid transmission of viruses, it is the responsibility of the recipient to scan for these.Please note emails sent to and from X-on
>>>> are routinely monitored for record keeping and quality control, to ensure regulatory compliance and prevent unauthorised use of our systems.
>>>> Please consider the environment before printing this email.
>>>>
>>>>
>>>> On 18 December 2014 at 16:58, Callum Guy <callum.guy at x-on.co.uk> wrote:
>>>>>
>>>>> I have not changed those values yet so will look into that immediately
>>>>> and get back to you.
>>>>>
>>>>> Most of my changes are those cited here:
>>>>> https://wiki.freeswitch.org/wiki/Amazon_EC2 which include ext-
>>>>> prefixed versions of those parameters but i haven't changed those without
>>>>> the prefix.
>>>>>
>>>>> Thanks, back soon
>>>>>
>>>>>
>>>>>
>>>>> ______________________________
>>>>>
>>>>> Callum Guy
>>>>>
>>>>> X-on
>>>>> Framlingham Technology Centre
>>>>> Station Road, Framlingham,
>>>>> Suffolk, IP13 9EZ
>>>>>
>>>>> T       0333 332 0116
>>>>> E       callum.guy at x-on.co.uk
>>>>>
>>>>>
>>>>> X-on is a trading name of Storacall Technology Ltd a limited company registered in England and Wales
>>>>> Registered Office : Avaland House, 110 London Road, Apsley, Hemel Hempstead, Herts, HP3 9SD
>>>>> Company Registration No. 2578478
>>>>>
>>>>> This email has been sent from X-on.The contents and attachments are confidential to the sender and the intended addressees.If the message
>>>>> is received by anyone other than the addressee please return the message to the sender by replying to it and then delete the message from
>>>>> your computer without copying or disclosing the contents to anyone.Opinions, conclusions and statements of intent in this email are those of
>>>>> the sender and do not bind X-on unless confirmed by authorised representatives independently of this message.While best endeavours have
>>>>> been taken to avoid transmission of viruses, it is the responsibility of the recipient to scan for these.Please note emails sent to and from X-on
>>>>> are routinely monitored for record keeping and quality control, to ensure regulatory compliance and prevent unauthorised use of our systems.
>>>>> Please consider the environment before printing this email.
>>>>>
>>>>>
>>>>> On 18 December 2014 at 16:51, Ítalo Rossi <italorossib at gmail.com>
>>>>> wrote:
>>>>>>
>>>>>> Did you changed the rtp-ip and sip-ip vars in your profile?
>>>>>>
>>>>>> Follow https://freeswitch.org/confluence/display/FREESWITCH/NAT
>>>>>>
>>>>>> On Thu, Dec 18, 2014 at 1:39 PM, Callum Guy <callum.guy at x-on.co.uk>
>>>>>> wrote:
>>>>>>
>>>>>>> Hi All,
>>>>>>>
>>>>>>> Its been a while since i've written to this board so i hope you're
>>>>>>> all well. Today i've been trying out FreeSWITCH on AWS for the first time
>>>>>>> and it certainly appears to be working as expected however my configuration
>>>>>>> must be wrong for the environment so i wondered if someone here could offer
>>>>>>> some advice?
>>>>>>>
>>>>>>> A TCP dump shows correct SIP negotiation between my handset and the
>>>>>>> server over the respective public IP's however when viewing the flow in
>>>>>>> Wireshark the RTP heads off to my handsets internal IP.
>>>>>>>
>>>>>>> I see this in the CLI:
>>>>>>>
>>>>>>> 2014-12-18 16:32:28.531022 [DEBUG] switch_core_media.c:5141 AUDIO
>>>>>>> RTP [sofia/internal/1000 at 54.77.115.40] 172.31.6.36 port 30074 ->
>>>>>>> 192.168.5.195 port 16468 codec: 0 ms: 20
>>>>>>>
>>>>>>> Does anyone have any keen suggestions?
>>>>>>>
>>>>>>> Thanks,
>>>>>>>
>>>>>>> Callum
>>>>>>>
>>>>>>> ______________________________
>>>>>>>
>>>>>>> Callum Guy
>>>>>>>
>>>>>>> X-on
>>>>>>> Framlingham Technology Centre
>>>>>>> Station Road, Framlingham,
>>>>>>> Suffolk, IP13 9EZ
>>>>>>>
>>>>>>> T       0333 332 0116
>>>>>>> E       callum.guy at x-on.co.uk
>>>>>>>
>>>>>>>
>>>>>>> X-on is a trading name of Storacall Technology Ltd a limited company registered in England and Wales
>>>>>>> Registered Office : Avaland House, 110 London Road, Apsley, Hemel Hempstead, Herts, HP3 9SD
>>>>>>> Company Registration No. 2578478
>>>>>>>
>>>>>>> This email has been sent from X-on.The contents and attachments are confidential to the sender and the intended addressees.If the message
>>>>>>> is received by anyone other than the addressee please return the message to the sender by replying to it and then delete the message from
>>>>>>> your computer without copying or disclosing the contents to anyone.Opinions, conclusions and statements of intent in this email are those of
>>>>>>> the sender and do not bind X-on unless confirmed by authorised representatives independently of this message.While best endeavours have
>>>>>>> been taken to avoid transmission of viruses, it is the responsibility of the recipient to scan for these.Please note emails sent to and from X-on
>>>>>>> are routinely monitored for record keeping and quality control, to ensure regulatory compliance and prevent unauthorised use of our systems.
>>>>>>> Please consider the environment before printing this email.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> _________________________________________________________________________
>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>> consulting at freeswitch.org
>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>
>>>>>>> Official FreeSWITCH Sites
>>>>>>> http://www.freeswitch.org
>>>>>>> http://confluence.freeswitch.org
>>>>>>> http://www.cluecon.com
>>>>>>>
>>>>>>> FreeSWITCH-users mailing list
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>>>>>>> http://www.freeswitch.org
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Ítalo Rossi
>>>>>>
>>>>>>
>>>>>> _________________________________________________________________________
>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>> consulting at freeswitch.org
>>>>>> http://www.freeswitchsolutions.com
>>>>>>
>>>>>> Official FreeSWITCH Sites
>>>>>> http://www.freeswitch.org
>>>>>> http://confluence.freeswitch.org
>>>>>> http://www.cluecon.com
>>>>>>
>>>>>> FreeSWITCH-users mailing list
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>>>>>> UNSUBSCRIBE:
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>>>>>>
>>>>>
>>>>
>>>> _________________________________________________________________________
>>>> Professional FreeSWITCH Consulting Services:
>>>> consulting at freeswitch.org
>>>> http://www.freeswitchsolutions.com
>>>>
>>>> Official FreeSWITCH Sites
>>>> http://www.freeswitch.org
>>>> http://confluence.freeswitch.org
>>>> http://www.cluecon.com
>>>>
>>>> FreeSWITCH-users mailing list
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>>>>
>>>
>>>
>>> --
>>>
>>> *Brian West*
>>> brian at freeswitch.org
>>>
>>>
>>> *Twitter: @FreeSWITCH , @briankwest*
>>> http://www.freeswitchbook.com
>>> http://www.freeswitchcookbook.com
>>>
>>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://confluence.freeswitch.org
>>> http://www.cluecon.com
>>>
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>>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://confluence.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>>
>
>
> --
>
> *Brian West*
> brian at freeswitch.org
>
>
> *Twitter: @FreeSWITCH , @briankwest*
> http://www.freeswitchbook.com
> http://www.freeswitchcookbook.com
>
> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>
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>

-- 
Luke Milbourne
<luke.milbourne at gmail.com>

Tel: 07857154817
Google Talk/Email: luke.milbourne at gmail.com
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