[Freeswitch-users] freeswitch in vmware UPDATE

[Anthony Minessale]

can everyone who has any audio problems please
retest with after doing "make current" or a fresh checkout.

 
Anthony Minessale II

FreeSWITCH http://www.freeswitch.org/
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----- Original Message ----
From: John Skopis (Lists) <jlists at skopis.com>
To: freeswitch-users at lists.freeswitch.org
Sent: Friday, March 7, 2008 8:00:31 AM
Subject: Re: [Freeswitch-users] freeswitch in vmware

Hello,
     Please see my comments inline.


Cavalera Claudio Luigi wrote:
>> The problem is that in bridged network mode RTP packets from my sip 
>> phone (on the host system) were seen twice by the guest (same 
>> sequence 
>> number, same packet really). MikeJ pointed this out so I 
>> switched to NAT 
>> mode, which fixed it for me. To keep your clock in sync just 
>> boot with 
>> 'clock=pit' and run ntpd.
> 
> 
> I have done as you suggested to fix the clock (ntpd plus clock=pit) and
> it seems to work.
> The problem of choppiness remain, I'm not sure if bridge network is the
> problem because I've tried to connect from other machine to the guest
> running freeswitch and the problem is the same.
> 
> Thanks to everyone for suggestions so far!
> Claudio
> 

I found this link, perhaps it is helpful:
http://www.vmware.com/support/ws5/doc/ws_net_advanced_2hostonly_routing.html

I am working on setting up NAT on the host system using IPFW. I am sure 
you could do the same (or similar w/ netfilter).

I haven't quite figured out what exactly I want to do yet but I would 
imagine that it involves natting both 1:1, and regular NAT.


>  
>>>> MikeJ helped to figured out that the culprit is actually 
>> the vmware 
>>>> bridge. Change the network type to NAT and it will "just 
>> work". Mike 
>>>> says that if the soft phone was not on the same box as the 
>>>> host system 
>>>> that it would work a little better. I will test with a 
>> native linux 
>>>> bridge and xen in a few days. =]
>>>>
>>>> -John
>>>
>>> But if I changed network type to NAT how can I reach the freeswitch
>>> server inside vmware?
>>> Isn't that the same as reaching a private host behind a home nat dsl
>>> router?
>>>
>>> Best regards,
>>> Claudio
>>>
>> [snip]
>>
>> Sorry, but I can't be much of a help here. I believe there is a file 
>> /etc/vmware/vmnet8 or so that allows you to configure port forwarding 
>> inside the VM. I agree dealing with nat even once (let alone 
>> twice) is a 
>> big fat PITA. Perhaps you can figure out how to run VMware in 
>> "routed" 
>> mode. I would prefer this as I could then run NAT on the host system 
>> doing 1:1 NAT or on the router itself.
>>
>> Also, and anthm can explain better but if you add something like:
>> <action application="set" data="timer_name=soft" />
>>
>> to extension 9999 for example (before the playback). The 
>> choppyness will 
>> disappear. From what I understood freeswitch gets its timing 
>> information 
>> from the client and if the client is sending every packet twice it 
>> confuses freeswitch.
>>
>> Actually another solution/work-around (without modifying the 
>> rtp code) 
>> would be to run ebtables on your linux box and filter the erronous 
>> packet, on my system it comes from some cisco mac address.
>>
>>
>> HTH,
>> John
>>
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