Robert,

I am using Opal 3.10.11 since I am using t38modem and I have not fixed it yet to use the latest Opal.  I see where m_defaultMediaTypeOfService is set to 0xB8 which is the DiffServ value for Expedited Forwarding.  This is used for rtp packets, but the sip packets still just have the default value of 0x00.  I need set the DiffServ value in the sip packets to AF32 which is 0x70 so we can operate on Verizon's network. How best to do that?

Thanks,
Pete


On Sun, May 25, 2014 at 7:44 PM, Robert Jongbloed <robertj@voxlucida.com.au> wrote:
Depending on what AF32 means ... you can use OpalManager::SetMediaTypeOfService() to set the DiffServ bit in the IP header, which used to be called "type of server", hence the name.

But, I would recommend that you use OpalManager::SetMediaQoS() instead. See PIPSocket::QoS structure. Unless you want to do something unusual, this will set the DifServ bits to the correct values. And if you use later versions of Windows you must do it this way, as Windows has a nasty habit of ignoring the IP_TOS socket option.

Robert Jongbloed
OPAL/OpenH323/PTLib Architect and Co-founder.
Commercial support at http://www.voxlucida.com.au

On 25/05/2014 12:30 PM, Pete Davidson wrote:
Is there a way to set DiffServ AF32 for SIP packets?

Thanks,
Pete Davidson


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