Asterisk 1.8.4.2 + LibSS7 1.0.2 : Early Media Problem

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Thank you, Konstantin for your prompt reply.  However, I am a bit confused
after reading your email.

The calls are coming into Asterisk over SIP and going out on TE420P cards
towards Telco using SS7.  Using Chan_SS7, we can hear the RBT (ring back
tone) from the Telco.  But, on LibSS7, we are not hearing anything at all,
unless we set "progressinband=yes" which makes Asterisk generate fake ring
tones, and that works, but not ideal.

So, your mention of "first" and "second" is being a confusing for us.  Sorry
for being an inconvenience.

Regards
HASSAN



On Wed, Jun 22, 2011 at 16:43, Konstantin Prokazoff <kprokazov at s-v-r.net>wrote:

> Welcome,
>
> for the first, ringtone in your configuration always w'be generated by
> final point of destination in SS7 network.
> By the second, your can use lower group signalling (for ex. PRI) to
> provide such functions by higher switch.
>
> BR,
> K.
>
> ? ???, 22/06/2011 ? 15:51 +0600, Nyamul Hassan ?????:
> > Hi,
> >
> >
> > We have moved to the above config a couple of weeks ago, and really
> > liking the new-found stability I see in this configuration.
> >  Previously, we used to use Asterisk 1.6 + Chan_SS7 1.3, and was met
> > with numerous "crashes" in high CPS situations.
> >
> >
> > However, in this setup, the early media is giving us troubles.  With
> > the default config, no ring tone, no early media.  When we put
> > "prematureaudio=yes", still no sound.  And, putting
> > "progressinband=yes" makes Asterisk generate a ring tone, as is
> > suggested by the note in the conf file.
> >
> >
> > But, we would like to get the early media that we get from the Telco
> > side, many of which are custom tones, like songs, music etc.  Can
> > someone please indicate what could be wrong in our setup?
> >
> >
> > Regards
> > HASSAN
> >
> >
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> --
>
> BR,
>   K.
> tel. +380 44 5941707, fax. +380 44 5941706, cell. +380 50 3554223
>
>
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