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Default Invite packet size over 1500 MTU
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someone Offline
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Post: #3
RE: Default Invite packet size over 1500 MTU
(06-23-2016 10:50 AM)Karl_Yealink Wrote:  Please send the PCAP file to us, so we can check.
Please email to me(karl@yealink.com). Note that you need to copy the link of this forum, so I can know the problem.

I have the same problem (using 3CX) and a T58V:
If I reduce the Codecs to alaw, and ulaw, the packet size is 1508. That works, but, if I add G729, G722, and more, the packet size goes up to 1538.
Normally that is not of a big problem, but, depending on the receiving party or in my case I have a remote phone connected through a VPN tunnel. I simply cannot start a call.
A good SBC will most likely filter the header, and will remove unnecessary talk. But in my case this is a remote location with only one phone.

It the email address still correct?
(This post was last modified: 11-20-2018 06:04 PM by someone.)
11-20-2018 06:03 PM
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RE: Default Invite packet size over 1500 MTU - someone - 11-20-2018 06:03 PM

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