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[lists at telefaks.de]

Hello,


for a german SIP provider, I need to send the contact header in the
Register request the following way:

Contact: <sip:012345678@xx.yy.zz.aa:5080>

with 012345678 as the registered SIP trunk number

Today we send:

Contact: <sip:gw+dtst@xx.yy.zz.aa:5080;transport=udp;gw=dtst>

which is not accepted by them. The reason is: They filter SIP packets by
their phone numbers in the contact header for security reasons.

So my question is: Is there a way to set the desired behaviour in the
Register request:

Contact: <sip:012345678@xx.yy.zz.aa:5080>


--
With kind regards
Peter Steinbach

Telefaks Services GmbH
mailto:lists (att) telefaks.de
Internet: www.telefaks.de



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[brian at freeswitch.com]

set extension-in-contact in the gateway to prevent that.

On Tue, Jun 29, 2021 at 11:14 AM Peter Steinbach <lists@telefaks.de (lists@telefaks.de)> wrote:

[lists at telefaks.de]

Thanks,


this worked very well


/Peter
Am 29.06.21 um 18:24 schrieb Brian West: