[Freeswitch-users] One Way Audio - Auto Change RTP port?

Gavin Henry gavin.henry at gmail.com
Thu Sep 15 16:07:25 MSD 2011


We've found firmware version 3.3.3 fixed all issues on the Draytek 2820 routers.

On 12 September 2011 21:36, Gavin Henry <gavin.henry at gmail.com> wrote:
> Hi Dan,
>
> We're currently debugging this also with Snom 3XX/8XX on Draytek 2820 routers:
>
> http://jira.freeswitch.org/browse/FS-3552
>
> On 9 September 2011 00:17, Dan Lan <danlanweb at gmail.com> wrote:
>> Hi, Anthony:
>>
>> Thanks for your direction. Could you give me a little bit more info about
>> where to set the parameters?
>>
>> What I did was, I put the incoming GW IP into my ACL list, so my FS will
>> accept call from the GW.
>> I then create a public dialplan to transfer the incoming DID to a registered
>> SNOM phone with public IP address.
>>   <extension name="my_incoming_did">
>>     <condition field="destination_number" expression="^(999\d{10})$">
>>     <action application="transfer" data="$1 XML default"/>
>>     </condition>
>>   </extension>
>>
>> After I add
>> <action application="set"  data="disable_rtp_auto_adjust=true"/>
>> before action "transfer"
>>
>> The RTP flow become like this.
>> GW(5416) -->  FS (31326)
>> FS (31326) --> GW (5418)
>> This looks work fine on Leg A now without auto change the port (the incoming
>> leg)
>> However, something also change down the road on Leg B.
>> Now I got
>> SNOM(52934) --> FS (21464)
>> NO ANY RTP from FS --> SNOM ...
>>
>> So now I still got one way voice, but is exact other way around. Before
>> change, the Leg B is working fine.
>>
>> My question is where shoud I put
>> rtp_manual_rtp_bugs=accept_any_packets  ?
>> Do I have to put togerther this with disable_rtp_auto_adjust?
>>
>> Did you just fix this problem (because you mentioned using today's git), so
>> I need to re-compile the most current git to fix this? (I am in window
>> version)
>>
>> Thanks again.
>> Dan Lan
>> On Thu, Sep 8, 2011 at 2:02 PM, Anthony Minessale
>> <anthony.minessale at gmail.com> wrote:
>>>
>>> variables on the leg in question
>>>
>>> disable_rtp_auto_adjust=true
>>>
>>> and/or (with today or later GIT)
>>>
>>> rtp_manual_rtp_bugs=accept_any_packets
>>>
>>>
>>> On Thu, Sep 8, 2011 at 3:50 PM, Dan Lan <danlanweb at gmail.com> wrote:
>>> > Hi,
>>> > I run into a weird situation. My media gateay handle voice call with 2
>>> > different RTP ports for send & receive
>>> >
>>> > Here is what happened. (ps: both gateway and FS are all on public IP, no
>>> > NAT
>>> > involved)
>>> > 1. Incoming call INVITE from gateway to FS
>>> > Connection Information (c): IN IP4 100.100.100.100  (This is my media
>>> > gateway IP address)
>>> > Media Description, name and address (m): audio 5294 RTP/AVP 18 0 4
>>> > 2. FS response with session progress with media information
>>> > Connection Information (c): IN IP4 200.200.200.200
>>> > Media Description, name and address (m): audio 22428 RTP/AVP 0
>>> > 3. I start to see some RTP traffic exchange between FS and GW
>>> > from FS (22428) --> GW (5294)
>>> > from GW (5292) --> FS (22428)
>>> > please note: the GW use two DIFFERENT PORT for RTP, one for sending and
>>> > one
>>> > for receiving
>>> > 4. For a while (about 5 secs, I think)
>>> > The RTP flow change on FS side to become, (there is no RTCP packet
>>> > during
>>> > the time)
>>> > from FS (22428) --> GW (5292)
>>> > from GW (5292) --> FS (22428)
>>> > In other word, the FS now sending RTP to 5292 instead of 5294 (which was
>>> > intended in INVITE SDP message)
>>> >
>>> > And, of course, I cannot hear the voice on GW side after this.
>>> >
>>> > Anyone encounter this before? Are there any paramaters that might
>>> > involved
>>> > in this auto changing RTP port behavior of FS?
>>> >
>>> > Any direction for me is appreciated, I will play around with this, and
>>> > post
>>> > back my result to community.
>>> >
>>> > Dan Lan
>>> >
>>> > 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
>>> >
>>> >
>>>
>>>
>>>
>>> --
>>> Anthony Minessale II
>>>
>>> FreeSWITCH http://www.freeswitch.org/
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>>>
>>> AIM: anthm
>>> MSN:anthony_minessale at hotmail.com
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>>
>>
>>
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>
>
>
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