if that is not working you need to ask the itspcwhat ip they are sending the
calls from.

if sipx doesn't know its a gateway. all to port 5080 it will be "dead air".
On Jul 21, 2011 6:48 PM, "William Salt" <[email protected]> wrote:
> The problem still persists.
> I have now got the ITSP to respond back on port 5080. i cannot however
> register to them on 5080, is this a problem?
>
> Would anyone be kind enough to look at my snapshot and pcap dumps of
> registration and attempting to answer an inbound call and it dropping?
>
> many thanks
> Will
>
>
>
> On Wed, Jul 20, 2011 at 9:01 PM, Tony Graziano <
[email protected]
>> wrote:
>
>> Let's understand perfectly why this sort of behavior happens.
>>
>> If the call is sent to sipx on port 5060, it is considered a sip call
>> (media relay), and so call transfers using refer are not handled by
>> sipxbridge, and the call drops. The call is not anchored and sipxbridge
is
>> not involved in the call. The media is peer to peer and is not anchored
by
>> sipxbridge, the media is just being relayed by media-relay.
>>
>> Calls sent to port 5060 assume the ua at both ends supports refer.
Polycom
>> supports REFER, but if the itsp does not, the call drops because
sipxbridge
>> is not in between calls sent on port 5060, just on port 5080. sipxbridge
>> handles the refer internally so it can act as a b2bua, which is exactly
what
>> it is, a b2bua, hence it is also anchoring the media and the call state,
and
>> sees calls coming to it on port 5080 and hence how the system is able to
>> determine sip calls from trunk calls.
>>
>>
>>
>> On Wed, Jul 20, 2011 at 3:52 PM, <[email protected]> wrote:
>>
>>> Hello Will.
>>> When I had the same problem (ITSP was sending SIP messages on 5060, not
>>> 5080) I asked my ITSP to send SIP on 5080 and everything was ok.
>>> But you must be sure about the reason off call failing. But it really
>>> seems to be so, because when ITSP sends SIP on 5060, media can't go via
>>> SBC (if SBC port is not 5060) and can't pass your NAT/Firewall. Anyway,
>>> you need to make a sip-trace file, watch it via sip-viewer and find out
>>> where the problem is. Good luck.
>>>
>>> On Wed, 20 Jul 2011 20:40:53 +0100, William Salt
>>> <[email protected]> wrote:
>>> > I have now set symmetric nat internally and externally for ports
>>> > 5060-5061 5080-5081 and 30000-31000.
>>> > I still get the same problem of the inbound call failing on pickup.
>>> >
>>> > I have tcp dumped the ITSP registration process and i see the pbx
>>> > asking for a reply on 5080, but instead i see the ITSP (aql.com [1])
>>> > replying on 5060.
>>> >
>>> > Is this the ITSPs problem, would a fix be to use another UK based
>>> > ITSP (any recommendations?)
>>> >
>>> > Cheers
>>> > Will
>>> >
>>> > On Wed, Jul 20, 2011 at 6:38 PM, Tony Graziano wrote:
>>> >
>>> > make sure manual outbound nat is checked. make sure static port nat
>>> > is used on all nat assignments for sipx. make sure sipxroxd is u
>>> > installed in pfsense.
>>> >
>>> > On Jul 20, 2011 12:56 PM, "Tony Graziano" wrote:
>>> >> and you nature outbound is not right. refer to my blog.
>>> > > On Jul 20, 2011 12:55 PM, "Tony Graziano"
>>> >> wrote:
>>> >>> destroy your state table and restart siptrunking.
>>> > >> On Jul 20, 2011 12:18 PM, "William Salt" wrote:
>>> >>>> I was under the impression i could use nat to NAT port 5080
>>> > externally to
>>> > >>> port 5060 internally to the SBC?
>>> >>>> I have just changed the ITSP to register on port 5080, and
>>> > removed
>>> >>>> my natting on my pfsense box, so it is natting those ports to
>>> > eachother
>>> > >>> internally and externally...
>>> > >>> It wont register, so i will ask my ITSP.
>>> >>>>
>>> >>>> Regards
>>> >>>> Will
>>> >>>>
>>> >>>> On Wed, Jul 20, 2011 at 4:36 PM, Tony Graziano <
>>> >>> [email protected] [6]
>>> > >>>> wrote:
>>> >>>>
>>> >>>>> the itsp won;t work unless you can register to them on port 5080
>>> > and
>>> >> they
>>> >>>>> send you calls on port 5080.
>>> >>>>>
>>> >>>>> your firewall is not configured properly either and is not using
>>> > >> symmetric
>>> >>>>> nat. what firewall is it?
>>> >>>>>
>>> >>>>> consider another firewall (perhaps pfsense)
>>> >>>>>
>>> >>>>> http://blog.myitdepartment.net/?p=52 [7]
>>> > >>>>
>>> >>>>>
>>> >>>>>
>>> >>>>> On Wed, Jul 20, 2011 at 11:28 AM, William Salt >>wrote:
>>> > >>>>
>>> >>>>>> Hi Tony,
>>> >>>>>> Thanks for the help.
>>> >>>>>>
>>> >>>>>>
>>> >>>>>> 1. Im registering a static IP to the ITSP (our external one)
>>> > >>>>> 2. they are sending calls to 5060, and im natting them to 6080
>>> >>>>>> internally
>>> >>>>>> 3. Im not sure looks like from a tcpdump i am registering on
>>> > UDP port
>>> >>>>>> 5060 to them, and 62941 locally.
>>> > >>>>>
>>> >>>>>> From then, i am contacting the ITSP on port 5060 and they are
>>> >> contacting
>>> >>>>>> me on UDP 62941.
>>> >>>>>> Im guessing this is because i have registered with them on that
>>> > port,
>>> > >> and
>>> >>>>>> they are then responding to me via that port, with my firewall
>>> > keeping
>>> >>> the
>>> >>>>>> state of that port.
>>> >>>>>>
>>> >>>>>> I am using pfsense 1.2.3, which shouldn't be a problem?
>>> > >>>>>
>>> >>>>>> Regards
>>> >>>>>> Will
>>> >>>>>>
>>> >>>>>>
>>> >>>>>> On Wed, Jul 20, 2011 at 2:46 PM, Tony Graziano <
>>> >>>>>> [email protected] [9]> wrote:
>>> > >>>>>
>>> >>>>>>> Are you registering or using a static IP to the ITSP? Are they
>>> > sending
>>> >>>>>>> the calls to port 5080 or 5060? If you register does the
>>> > provider
>>> >> allow
>>> > >> you
>>> >>>>>>> to confirm ip and port they see you registering on?
>>> >>>>>>>
>>> >>>>>>> It would appear (and you can confirm) that the call is coming
>>> > in to
>>> > >> port
>>> > >>>>>> 5060 from the ITSP in the initial invite on inbound calls.
>>> >>>>>>>
>>> >>>>>>> Is you NAT static port NAT (symmetric ports) or dynamic? What
>>> > is the
>>> >>>>>>> firewall?
>>> > >>>>>> On Wed, Jul 20, 2011 at 9:43 AM, William Salt >>wrote:
>>> >>>>>>>
>>> >>>>>>>> Hi All,
>>> > >>>>>>> I am new to SipXecs, but I have worked with a couple of voip
>>> >>>>>>>> pbx's before. Ive got a few days to set up a PBX in our
>>> > office, and
>>> >> so
>>> >>> far i
>>> > >>>>>>> am struggling to find a solution to the problem i am
>>> > experiencing. So
>>> >>> id
>>> >>>>>>>> really appreciate it if someone would reach out and help me.
>>> >>>>>>>>
>>> > >>>>>>> I have a sip trunk from aql.com [11], and have configured
>>> > it, it seems to
>>> >>>>>>>> work (mostly)
>>> >>>>>>>> I can make outbound calls to mobiles, landlines etc fine, and
>>> > audio
>>> > >> and
>>> >>>>>>>> sessions establish and terminate fine.
>>> >>>>>>>> However, i cannot complete inbound calls, the internal phone
>>> > will
>>> >>> ring,
>>> >>>>>>>> and upon answering the call will terminate, however, the
>>> > external
>>> > >> callers
>>> >>>>>>>> call will connect and stay connected untill they hang up.
>>> >>>>>>>>
>>> >>>>>>>> I have my firewall + NAT rules configured correctly (ports
>>> > external
>>> > >>>>>>> 5080-5081 = 5060-5601 internally + 30000-31000)
>>> >>>>>>>> i have configured a dialplan from the username of the VOIP
>>> > provider
>>> >> to
>>> >>>>>>>> the internal extension.
>>> > >>>>>>>
>>> >>>>>>>> I have wireshark dumps, and a snapshot if anyone would have a
>>> > look at
>>> >>>>>>>> these, and possibly help diagnose my problems, i would
>>> > >>>>>>> greatly appreciate this.
>>> >>>>>>>>
>>> >>>>>>>> Regards
>>> >>>>>>>> Will
>>> >>>>>>>>
>>> >>>>>>>>
>>> > >>>>>>> _______________________________________________
>>> >>>>>>>> sipx-users mailing list
>>> >>>>>>>> [email protected] [12]
>>> > >>>>>>> List Archive: http://list.sipfoundry.org/archive/sipx-users/
>>> > [13]
>>> >>>>>>>>
>>> >>>>>>>
>>> > >>>>>>
>>> > >>>>>>
>>> >>>>>>> --
>>> >>>>>>> ======================
>>> >>>>>>> Tony Graziano, Manager
>>> >>>>>>> Telephone: 434.984.8430
>>> >>>>>>> sip: [email protected] [14]
>>> > >>>>>> Fax: 434.326.5325
>>> >>>>>>>
>>> >>>>>>> Email: [email protected] [15]
>>> >>>>>>>
>>> > >>>>>> LAN/Telephony/Security and Control Systems Helpdesk:
>>> > >>>>>> Telephone: 434.984.8426
>>> >>>>>>> sip: [email protected] [16]
>>> >>>>>>>
>>> >>>>>>> Helpdesk Contract Customers:
>>> > >>>>>> http://support.myitdepartment.net [17]
>>> >>>>>>>
>>> >>>>>>> Blog:
>>> > >>>>>> http://blog.myitdepartment.net [19]
>>> >>>>>>>
>>> >>>>>>> Linked-In Profile:
>>> >> http://www.linkedin.com/pub/tony-graziano/14/4a6/7a4 [20]
>>> > >>>>>>
>>> >>>>>>>
>>> >>>>>>> _______________________________________________
>>> >>>>>>> sipx-users mailing list
>>> >>>>>>> [email protected] [21]
>>> > >>>>>> List Archive: http://list.sipfoundry.org/archive/sipx-users/
>>> > [22]
>>> >>>>>>>
>>> >>>>>>
>>> >>>>>>
>>> > >>>>> _______________________________________________
>>> >>>>>> sipx-users mailing list
>>> >>>>>> [email protected] [23]
>>> > >>>>> List Archive: http://list.sipfoundry.org/archive/sipx-users/
>>> > [24]
>>> >>>>>>
>>> >>>>>
>>> >>>>>
>>> > >>>>
>>> > >>>> --
>>> >>>>> ======================
>>> >>>>> Tony Graziano, Manager
>>> >>>>> Telephone: 434.984.8430
>>> >>>>> sip: [email protected] [25]
>>> > >>>> Fax: 434.326.5325
>>> >>>>>
>>> >>>>> Email: [email protected] [26]
>>> >>>>>
>>> >>>>> LAN/Telephony/Security and Control Systems Helpdesk:
>>> > >>>> Telephone: 434.984.8426
>>> >>>>> sip: [email protected] [27]
>>> >>>>>
>>> >>>>> Helpdesk Contract Customers:
>>> > >>>> http://support.myitdepartment.net [28]
>>> >>>>>
>>> >>>>> Blog:
>>> > >>>> http://blog.myitdepartment.net [30]
>>> >>>>>
>>> >>>>> Linked-In Profile:
>>> > http://www.linkedin.com/pub/tony-graziano/14/4a6/7a4 [31]
>>> > >>>>
>>> >>>>>
>>> >>>>> _______________________________________________
>>> >>>>> sipx-users mailing list
>>> >>>>> [email protected] [32]
>>> > >>>> List Archive: http://list.sipfoundry.org/archive/sipx-users/
>>> > [33]
>>> >>>>>
>>> >
>>> > _______________________________________________
>>> > sipx-users mailing list
>>> > [email protected] [34]
>>> > List Archive: http://list.sipfoundry.org/archive/sipx-users/ [35]
>>> >
>>> >
>>> >
>>> > Links:
>>> > ------
>>> > [1] http://aql.com
>>> > [2] mailto:[email protected]
>>> > [3] mailto:[email protected]
>>> > [4] mailto:[email protected]
>>> > [5] mailto:[email protected]
>>> > [6] mailto:[email protected]
>>> > [7] http://blog.myitdepartment.net/?p=52
>>> > [8] mailto:[email protected]
>>> > [9] mailto:[email protected]
>>> > [10] mailto:[email protected]
>>> > [11] http://aql.com
>>> > [12] mailto:[email protected]
>>> > [13] http://list.sipfoundry.org/archive/sipx-users/
>>> > [14] mailto:[email protected]
>>> > [15] mailto:[email protected]
>>> > [16] mailto:[email protected]
>>> > [17] http://support.myitdepartment.net
>>> > [18] http://support.myitdepartment.net
>>> > [19] http://blog.myitdepartment.net
>>> > [20] http://www.linkedin.com/pub/tony-graziano/14/4a6/7a4
>>> > [21] mailto:[email protected]
>>> > [22] http://list.sipfoundry.org/archive/sipx-users/
>>> > [23] mailto:[email protected]
>>> > [24] http://list.sipfoundry.org/archive/sipx-users/
>>> > [25] mailto:[email protected]
>>> > [26] mailto:[email protected]
>>> > [27] mailto:[email protected]
>>> > [28] http://support.myitdepartment.net
>>> > [29] http://support.myitdepartment.net
>>> > [30] http://blog.myitdepartment.net
>>> > [31] http://www.linkedin.com/pub/tony-graziano/14/4a6/7a4
>>> > [32] mailto:[email protected]
>>> > [33] http://list.sipfoundry.org/archive/sipx-users/
>>> > [34] mailto:[email protected]
>>> > [35] http://list.sipfoundry.org/archive/sipx-users/
>>>
>>> _______________________________________________
>>> sipx-users mailing list
>>> [email protected]
>>> List Archive: http://list.sipfoundry.org/archive/sipx-users/
>>>
>>
>>
>>
>> --
>> ======================
>> Tony Graziano, Manager
>> Telephone: 434.984.8430
>> sip: [email protected]
>> Fax: 434.326.5325
>>
>> Email: [email protected]
>>
>> LAN/Telephony/Security and Control Systems Helpdesk:
>> Telephone: 434.984.8426
>> sip: [email protected]
>>
>> Helpdesk Contract Customers:
>> http://support.myitdepartment.net
>>
>> <http://support.myitdepartment.net>Blog:
>> http://blog.myitdepartment.net
>>
>> Linked-In Profile: http://www.linkedin.com/pub/tony-graziano/14/4a6/7a4
>>
>>
>> _______________________________________________
>> sipx-users mailing list
>> [email protected]
>> List Archive: http://list.sipfoundry.org/archive/sipx-users/
>>
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