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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>We are running into a problem with the VPN overhead, our packets getting too big. Because of this, we are told to reduce the packet size to 1400 bytes. I’m trying to remove all non-necessary headers from the SIP invite, generated by our Broadsoft platform.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>OpenSIPS 1.5.3-notls<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I need to remove the following header from session:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>X-BroadWorks-DNC:network-address="sip:+15015525956@10.135.224.130;user=phone"<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In addition, I saw where OpenSER used to allow the following core commands:<o:p></o:p></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333;background:white'>pmtu_discovery = yes</span><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333'><br><span style='background:white'>udp_mtu = 1400<o:p></o:p></span></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333;background:white'>udp_mtu_try_proto = TCP<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333;background:white'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333;background:white'>I don’t see any documentation where this is allowed in OpenSIPS 1.5.x. </span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>How best to handle this?<o:p></o:p></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 style='border-collapse:collapse'><tr style='height:79.5pt'><td width=201 valign=top style='width:150.8pt;border:solid windowtext 1.0pt;border-right:none;padding:0in 5.4pt 0in 5.4pt;height:79.5pt'><p class=MsoNormal style='line-height:115%'><span style='font-size:2.0pt;line-height:115%;font-family:"Century Gothic","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal style='line-height:115%'><span style='font-size:9.0pt;line-height:115%;font-family:"Century Gothic","sans-serif";color:#1F497D'>Stacy Trippe<o:p></o:p></span></p><p class=MsoNormal style='line-height:115%'><span style='font-size:9.0pt;line-height:115%;font-family:"Century Gothic","sans-serif";color:#1F497D'>Network Operations<o:p></o:p></span></p><p class=MsoNormal style='line-height:115%'><span style='font-size:9.0pt;line-height:115%;font-family:"Century Gothic","sans-serif";color:#1F497D'>TecInfo, Inc<o:p></o:p></span></p><p class=MsoNormal style='line-height:115%'><span style='font-size:9.0pt;line-height:115%;font-family:"Century Gothic","sans-serif";color:#1F497D'>662.686.9009<o:p></o:p></span></p><p class=MsoNormal style='line-height:115%'><span style='font-size:9.0pt;line-height:115%;font-family:"Century Gothic","sans-serif";color:#1F497D'>662.686.5656 Fax<o:p></o:p></span></p><p class=MsoNormal style='line-height:115%'><u><span style='font-size:9.0pt;line-height:115%;font-family:"Century Gothic","sans-serif";color:blue'><a href="mailto:ops@corp.tecinfo.net"><span style='color:blue'>ops@corp.tecinfo.net</span></a></span></u><span style='font-size:9.0pt;line-height:115%;font-family:"Century Gothic","sans-serif";color:#1F497D'><o:p></o:p></span></p></td><td width=242 valign=top style='width:181.8pt;border:solid windowtext 1.0pt;border-left:none;padding:0in 5.4pt 0in 5.4pt;height:79.5pt'><p class=MsoNormal style='line-height:115%'><span style='font-size:5.0pt;line-height:115%;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal style='line-height:115%'><span style='color:#1F497D'><img border=0 width=225 height=86 id="Picture_x0020_1" src="cid:image001.gif@01CE4278.61E37B50" alt=tecinfo-small><o:p></o:p></span></p><p class=MsoNormal style='line-height:115%'><span style='font-size:3.0pt;line-height:115%;color:#1F497D'> </span><span style='font-size:1.0pt;line-height:115%;color:#1F497D'> <o:p></o:p></span></p><p class=MsoNormal align=right style='text-align:right;line-height:115%'><span style='font-size:9.0pt;line-height:115%;font-family:"Century Gothic","sans-serif";color:#1F497D'><a href="http://www.tecinfo.net/"><span style='color:blue'>http://www.tecinfo.net/</span></a></span><span style='font-family:"Century Gothic","sans-serif";color:#1F497D'><o:p></o:p></span></p></td></tr></table><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>The information transmitted is intended only for the person or entity to which it is addressed and may contain confidential, proprietary, and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon this information by persons or entities without the written permission of TecInfo is prohibited. If you received this in error, please contact the sender and delete the material from all computers.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><img border=0 width=348 height=31 id="Picture_x0020_2" src="cid:image002.png@01CE4278.61E37B50" alt="Description: Description: green"><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>