[Spce-user] SPCE V3 with SBC

Andreas Granig agranig at sipwise.com
Mon Oct 28 09:57:25 EDT 2013


On 10/28/2013 01:18 PM, John Murray wrote:
> Thanks for the detailed reply Andreas.
> I am using the Frafos ABC SBC so should be pretty flexible regarding header
> settings.
> The 2 main problems I had were:
> - We have 3 inbound call types 1)From PSTN peers 2) From registered UAs
> 2)From trusted sources
>    When all three came from the same address calls would all be classified as
> 'from PSTN' but I guess in 3.1 the
>    P-NGCP-Src-* set in the SBC will fix that. Currently we just use 2
> addresses on the SBC, one for peers and one for UAs/Trusted sources.
> - It seems to make sense also to offload media from SPCE if possible. Will
> the SPCE just drop the call if it sees no RTP?

It will force RTP to go over the internal mediaproxy. You can disable 
media relay on a peer- and domain-basis though, so it never gets invoked.


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