[asterisk-ss7] chan_ss7 connected to a telco

[Anton]

Have to mention the audio lost issue, binded with network 
jitter. For some situations it makes the channel driver 
hardly usable...

On 24 July 2006 18:01, Kai Militzer wrote:
> Hello Harry,
>
> My experiences are as followed:
>
> harry gaillac wrote:
> > SS7 protocols:
> > MTP layers 1-3
> > ISUP
>
> The MTP-Layer seems to be implented fully. At least to
> Layer 2, not sure about Layer 3, but I don't use things
> as failover, so I cannot tell for sure.
>
> ISUP is not completely implemented. The most message
> types/features are there and working, but AFAIK some
> things are not there, but also nothing that I would need.
> When I first tried chan_ss7 in late 2005, there wasn't an
> implemantation of CCR test, but we let that implement by
> a developer and since then all features that we need are
> there.
>
> > Basic calls :
> > inbound-outbound
>
> Work as they should. Nothing much to say about that.
>
> > Supplementary services:
> > Redirecting number
>
> I think it got transmited, but I am not sure, if this
> gets somehow into other channel types like SIP.
>
> > CLIP/CLIR/COLP/COLR
>
> The calling number is always in ISUP messages. Only if
> one bit is set, you must not show it to the end point
> (the user). Asterisk with chan_ss7 can set this bit. I
> don't know if COLP works. Never testes this.
>
> > Network configuration:
> > SEP functionality
> > Connection to other SEP or STP
>
> Never done anything into that direction, so I cannot
> tell.
>
> In overall I can say, that it works stable since about
> four month in a friendly-user test.
>
> Regards,
> Kai