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/ ClueCon http://www.cluecon.com/ AIM: anthm MSN:anthony_minessale@hotmail.com GTALK/JABBER/PAYPAL:anthony.minessale@gmail.com IRC: irc.freenode.net #freeswitch FreeSWITCH Developer Conference sip:888@conference.freeswitch.org iax:guest@conference.freeswitch.org/888 googletalk:conf+888@conference.freeswitch.org pstn:213-799-1400 ----- Original Message ---- From: John Skopis (Lists) <jlists@skopis.com> To: freeswitch-users@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:

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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.

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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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