[Freeswitch-users] Odd Media issue

[Jerry Kendall]

Another bit of hopefully useful info - the video shows up on all phones when they are answered.

Jerry


On 12/31/2022 10:47 PM, Jerry Kendall wrote:
> So I did a quick check,
>
> I ran 'tcpdump net 10.0.0.0/8'
>
> I got thousands of packets immediately on dialing a ring group. So, it seems that FS is indeed NOT processing the NAT mapping correctly... I could be wrong... I'm not above that...
>
> to draw a sort of image...
>
> [phones on 10.0.0.x net] ----------- [ FW ]  --------------- { internet } ------------- [ FS Server on public IP ]
>
> The traffic to/from the phones goes correctly unless I have the group setup to send early media to allow ringing phones to show early media video...
>
> If the group is setup to send early media, the ringing phones are NOT getting the earling media traffic..
> The phones have the video screen active AND showing but NO video is displayed as it is sent from FS on the public IP to the phones PRIVATE IP...
>
> I am doing this using a hard coded test dialplan conference call like so...
> ==================
> <context name="registered-ext">
> <extension name="dial-videocom">
> <condition>
> <action application="set" data="conference_auto_outcall_timeout=5"/>
> <action application="set" data="conference_auto_outcall_caller_id_name=Intercom"/>
> <action application="set" data="conference_auto_outcall_caller_id_number=350"/>
> <action application="set" data="conference_auto_outcall_skip_member_beep=false"/>
> <action application="set" data="conference_auto_outcall_prefix={sip_auto_answer=false}"/>
> <action application="set" data="conference_auto_outcall_profile=pager"/>
> <action application="set" data="conference_utils_auto_outcall_flags=mute"/>
>
> <action application="export" data="bridge_early_media=true"/>
> <action application="export" data="ignore_early_media=false"/>
>
> <action application="set" data="ringback=%(2000,4000,440.0,480.0)"/>\n";
>
> <action application="conference_set_auto_outcall" data="sofia/customer/500%domain"/>
> <action application="conference_set_auto_outcall" data="sofia/customer/501%domain"/>
> <action application="conference_set_auto_outcall" data="sofia/customer/502%domain"/>
> <action application="conference_set_auto_outcall" data="sofia/customer/503%domain"/>
>
> <action application="conference" data="vid_intercom_808 at domain++flags{mute|endconf|moderator}"/>
> </condition>
> </extension>
> <context>
> ==================
>
>
> Does anyone have any ideas where I need to change things...??
>
>
> Regards,
> Jerry
>
>
> On 12/31/2022 9:47 PM, Jerry Kendall wrote:
>> Hey there...
>>
>> I've come across an odd issue with the outbound media from FS...
>>
>> I have a phone, calls a ring group at say 22.
>> Now if the phones and FS are on the same network, the early media is sent to all phones properly...
>> If the phones are on different networks connected via VPN, again, the early media is sent to all phones properly...
>>
>> not if the phones are on different networks and a firewall is between without vpn tunneling.... The early media is NOT delivered properly...
>>
>> It seems as thought he SDP payload is not fully processed - again, it seems....
>>
>>
>> So, how do I tell FS to send the early media to the phones when the phones are on private IP space behind a firewall.???
>> It almost looks like the private IPs and not being mapped properly when sending early media.
>> (the phones are replying to the INVITE with 183 progress status that includes SDP)
>>
>> I have NAT working properly and calls, even confererce calls with and without video all work fine - ONCE the call has been answered.
>> I have been trying to get early media(video) and works but, only when there is no firewall between FS and the phones.
>>
>> This, of course is not acceptable for customer based setups.
>>
>> Anyu ideas on where to look for the cause?
>>
>> Jerry
>>
>> _________________________________________________________________________
>>
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>>
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>>
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>
>
>
> _________________________________________________________________________
>
> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN services.
> Build your next product on our scalable cloud platform.
>
> Join our online community to chat in real time https://signalwire.community
>
> Professional FreeSWITCH Services
> sales at freeswitch.com
> https://freeswitch.com
>
> Official FreeSWITCH Sites
> https://freeswitch.com/oss
> https://freeswitch.org/confluence
> https://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
> https://freeswitch.com