[AsteriskBrasil] R2 Telefonica + Digium com OpenR2

[Fabio Rogerio - IP Info]

Ola Pessoal, estou brigando a alguns dias com o um link R2 da 
telefonica, usando Open R2, ja consegui alinhar com o E1.. mais nao esta 
havendo troca de sinalizacao corretamente...
ja testei varias coisas... abaixo segue o log de uma ligacao de entrada, 
e tambem minhas configuracoes

[Mar 10 09:09:52] DEBUG[1209]: chan_dahdi.c:1932 dahdi_r2_write_log: 
Chan 1 - Bits changed from 0x08 to 0x00
[Mar 10 09:09:52] DEBUG[1209]: chan_dahdi.c:1932 dahdi_r2_write_log: 
Chan 1 - CAS Rx << [SEIZE] 0x00
[Mar 10 09:09:52] DEBUG[1209]: chan_dahdi.c:1932 dahdi_r2_write_log: 
Chan 1 - Call started at Wed Mar 10 09:09:52 2010 on chan 1 [openr2 
version 1.2.0, revision (release)]
[Mar 10 09:09:52] DEBUG[1209]: chan_dahdi.c:1932 dahdi_r2_write_log: 
Chan 1 - CAS Tx >> [SEIZE ACK] 0x0C
[Mar 10 09:09:52] DEBUG[1209]: chan_dahdi.c:1932 dahdi_r2_write_log: 
Chan 1 - CAS Raw Tx >> 0x0D
New MFC/R2 call detected on chan 1.
[Mar 10 09:09:52] DEBUG[1209]: chan_dahdi.c:1932 dahdi_r2_write_log: 
Chan 1 - MF Rx << 6 [ON]
[Mar 10 09:09:52] DEBUG[1209]: chan_dahdi.c:1932 dahdi_r2_write_log: 
Chan 1 - Getting DNIS digit 6
[Mar 10 09:09:52] DEBUG[1209]: chan_dahdi.c:1932 dahdi_r2_write_log: 
Chan 1 - DNIS so far: 6, expected length: 4
[Mar 10 09:09:52] DEBUG[1209]: chan_dahdi.c:1932 dahdi_r2_write_log: 
Chan 1 - MF Tx >> 5 [ON]
TINHA Q TER UM MF Rx AQUI....

Porem vem esse erro:

[Mar 10 09:09:54] DEBUG[1209]: chan_dahdi.c:1932 dahdi_r2_write_log: 
Chan 1 - calling timer 2 (mf_back_cycle) callback
[Mar 10 09:09:54] WARNING[1209]: chan_dahdi.c:1922 dahdi_r2_write_log: 
Chan 1 - MF back cycle timed out!
[Mar 10 09:09:54] ERROR[1209]: chan_dahdi.c:1925 dahdi_r2_write_log: 
Chan 1 - Protocol error. Reason = Multi Frequency Cycle Timeout, R2 
State = Seize ACK Tr
ansmitted, MF state = Category Request Transmitted, MF Group = Backward 
Group A, CAS = 0x00






chan_dahdi.conf

;Configuracao para MFC/R2
signalling=mfcr2
mfcr2_variant=BR
mfcr2_get_ani_first=yes
mfcr2_max_ani=20
mfcr2_max_dnis=4
mfcr2_category=national_subscriber
mfcr2_logdir=span1
mfcr2_call_files=yes
mfcr2_logging=all
mfcr2_mfback_timeout=2000
mfcr2_metering_pulse_timeout=30
mfcr2_allow_collect_calls=no
mfcr2_double_answer=no
mfcr2_immediate_accept=no
mfcr2_forced_release=no
mfcr2_charge_calls=yes
;mfcr2_advanced_protocol_file=/etc/r2proto.conf
language=pt_BR
echocancel=yes
echocancelwhenbridged=no
context=from-r2
callgroup=0
pickupgroup=0
group=2
channel =>1-15,17-31


Agradeço qualquer ajuda...

Fabio