Andre,

 A better is aproach to R2 in brazil is to use digivoice board (instead of
digium's). The card has native support to R2 in the channel driver.

 The best would be to change to ISDN. Have you already asked your telco?

--
Antonio J. S. Brandão

On 3/19/07, andreunimed <[EMAIL PROTECTED]> wrote:

 Hi.
I am in the Brazil.
I have a problem on Unicall for Asterisk 1.4.
I am working with E1 with 30 channels.

Message when it receives calls:

chan_unicall.c:2603 handle_uc_event:unicall/1 protocol error.cause 32772.

My files:

/etc/zaptel.conf:

span=1,1,0,cas,hdb3
cas=1-15:1101
cas=17-31:1101
loadzone = br
defaultzone = br
fxoks = 32-55

/etc/asterisk/unicall.conf:

[Channels]
language=br
context=default
usecallerid=yes
hidecallerid=no
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=no
echotraining=800
relaxdtmf=no
rxgain=0
txgain=0
callgroup=1
pickupgroup=1
immediate=no
callerid=asreceived
amaflags=default
accountcode=avantel
musiconhold=default
protocolclass=mfcr2
protocolvariant=br,20,20
group=1
channel=1-15
dchan=16
channel=17-31


 In the past this configuration functioned, with Asterisk 1.2, but,
zaptel.conf but he was written

 /etc/zaptel.conf:

span=1,1,0,cas,hdb3
cas=1-15:1101
dchan=16
cas=17-31:1101
loadzone = br
defaultzone = br

 Somebody can help me.

Thank you

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