Re: OT : user in our Building can't heare the user in the other

OK. Being a firewall guy I love when people blame the firewall. I'm not
saying it's not the firewall but isn't RTP a TCP transport layer
protocol? I'm not a voice guy so please don't bash me too much. Do the
phones make independent connections (like a send and receive channel) to
each other? Which part is stateless?

-Hammer-

On 06/22/2011 03:28 PM, JB Poplawski wrote:
> Determine the IP addresses of the phones at each site (assuming the
> whole subnet needs to be opened up).
> Verify UDP from their side to your side is valid. If you can't hear
> the other building, the RTP stream is being blocked coming your way.
>
> HTH,
> JB
>
> On Wed, Jun 22, 2011 at 3:17 PM, Joe Astorino<joeastorino1982_at_gmail.com> wrote:
>
>> Sounds like a firewall issue. I would investigate that the firewall is
>> allowing the proper RTP voice packets from building2 back to building1 like
>> JB said. Now, the political implications of said task might be harder than
>> it sounds depending on your relationships with other teams and who runs the
>> firewall lol
>>
>> On Wed, Jun 22, 2011 at 4:07 PM, wael Ahmed<wsadani_at_gmail.com> wrote:
>>
>>
>>> Hi GS
>>> i have a problem here and i need your sugession
>>> this is the senario
>>>
>>> iptuser(our Building)--------access
>>>
>>> switch1----corswitche1----------------firewall--------coreswitch2---------acess
>>> switch2------ iptuser(otherbuilding)
>>>
>>>
>>> The unified Communication conected to coreswitch1
>>>
>>> coreswitch1 connecetd to firewall by Fiber it is end 10.20.91.100 the
>>> firewall end 10.20.91.105
>>> My responsability till only coreswitch1 and there is seperated team to the
>>> firewall coreswitch2
>>>
>>> ipt user(our Building) can heare each other
>>> ipt user (other Building ) can heare eah other
>>> ipt user (other Building ) can heare ipt(our Building)
>>> ipt user (our Building) can't heare iptuser(othe Building)
>>>
>>>
>>>
>>> voice vlans are in access switch 1 and coreswitch 1 vlan 230
>>> voive vlan are in acce switch 2 and coreswitch2 vlan 111
>>> any idea
>>> thanks
>>>
>>>
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>>
>> --
>> Regards,
>>
>> Joe Astorino
>> CCIE #24347
>> Blog: http://astorinonetworks.com
>>
>> "He not busy being born is busy dying" - Dylan
>>
>>
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>>
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Received on Wed Jun 22 2011 - 15:50:07 ART