[Spce-user] SIp header "Date"

[Jon Bonilla (Manwe)]

El Fri, 3 Mar 2017 14:16:22 +0100
Sven Van Gorp <sven at alea-soluciones.com> escribió:

> Hello all,
> 
> Using spce 3.8.9 and having a problem with the "Date" header in the INVITE
> 
> Some SIP clients use this Date header to form the time and date in the
> analogue CLIP on the RJ11. (ZTE e.g.)
> 
> I see that from the carrier the Date header is present, and the LD sends
> the Date header to the proxy, but then leaving the Proxy the Date header
> is gone.
> 
> Also from some other SIP endpoints there si NO date header.
> 
> Question is if Sip Provider  can:
> 
> A. Relay this Date header?

Yes, but you will have to whitelist the header using a custom template. 

/etc/ngcp-config/templates/etc/ngcp-sems/etc/ngcp.sbcprofile.conf.customtt.tt2


> B. Add the header if not available?


I don't think so.




cheers,

Jon




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