[Asterisk-Users] R2 signaling - E1

[John Todd]

Artur -
   No, R2 is currently not supported.  If someone can prove me wrong, 
I'd be very happy to find a solution, as I have several customers who 
are unable to use Asterisk and/or Digium hardware because of their R2 
signalling from upstream providers.

   As recently as last week, there was discussion where someone was 
thinking about writing an R2 protocol interpreter for Asterisk (Chris 
Ziomkowski) but I have not seen any further mention made of it here 
in the list.

(see the thread titled: Re: [Asterisk-Dev] Specific question about 
pri_dchannel in channels/chan_zap.c)

JT


>Dear Fellows,
>
>I am going to interconnect an E1 card (either E100P or E400P) with a Telco
>in Brazil.
>The Signaling standard in Brasil is R2 (a Channel Associated Signaling -
>CAS).
>
>The product sheets for E100P and E400P mention the ISDN compatibility (RBS
>or PRI) but don't mention the R2 signaling.
>
>On the other hand, I have found in the Configuration Zaptel(zaptel.conf)
>document, a configuration example which uses CAS framing, HDB3 line coding,
>and CRC code checking.
>
>My question is:
>Does anybody can confirm if the E100P and E400P cards are compatible with R2
>signaling?
>
>
>Thanks & Regards,
>
>Artur C. Severo.
>
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