[asterisk-r2] Protocol Error with TELMEX

[Alvaro Parres]

Hi list, i have one client that change from Axtel to Telmex, and since
the change i'm having the next error con console (not always, but some
times).

[Dec  8 09:08:57] ERROR[13358]: chan_dahdi.c:1272 dahdi_r2_write_log:
Chan 7 - Broken MF sequence got 5 but never got tone off for tone 0!
[Dec  8 09:08:57] ERROR[13358]: chan_dahdi.c:1272 dahdi_r2_write_log:
Chan 7 - Protocol error. Reason = Broken MF Sequence, R2 State = Seize
ACK Transmitted, MF state = DNIS Request Transmitted, MF Group =
Backward Group A, CAS = 0x00
DNIS = 00, ANI = , MF = 0x30
[Dec  8 09:08:57] ERROR[13358]: chan_dahdi.c:1034
dahdi_r2_on_protocol_error: MFC/R2 protocol error on chan 7: Broken MF
Sequence
[Dec  8 09:09:08] NOTICE[13358]: chan_dahdi.c:1295
dahdi_r2_on_line_idle: Far end unblocked on chan 7

if i made a mfr2 show channels i get:

han Variant Max ANI Max DNIS ANI First Immediate Accept Tx CAS   Rx CAS
   1 MX      10      4        No        No               IDLE     FORCED R
   2 MX      10      4        No        No               IDLE     FORCED R
   3 MX      10      4        No        No               IDLE     FORCED R
   4 MX      10      4        No        No               IDLE     FORCED R
   5 MX      10      4        No        No               IDLE     FORCED R
   6 MX      10      4        No        No               IDLE     FORCED R
   7 MX      10      4        No        No               IDLE     FORCED R
   8 MX      10      4        No        No               IDLE     FORCED R
   9 MX      10      4        No        No               IDLE     FORCED R
  10 MX      10      4        No        No               IDLE     FORCED R
  11 MX      10      4        No        No               IDLE     FORCED R
  12 MX      10      4        No        No               IDLE     FORCED R
  13 MX      10      4        No        No               IDLE     FORCED R
  14 MX      10      4        No        No               IDLE     FORCED R
  15 MX      10      4        No        No               IDLE     FORCED R
  17 MX      10      4        No        No               IDLE     FORCED R
  18 MX      10      4        No        No               IDLE     IDLE
  19 MX      10      4        No        No               IDLE     FORCED R
  20 MX      10      4        No        No               ANSWER   SEIZE


The main problem, is that sometimes, i can't get any trunk for dial
out or some time i get busy tone when dialing in.

(this is the only client with this problem, i have other clients with
telmex and don't have this problem).

Thanks.


-- 
Alvaro I. Parres Peredo
 Director de IT
 Grupo Xmarts SA de CV
 Tel: +52 (33) 35 63 6261 Ext. 112
      01 800  087 2260
 Cel: +52 (33) 33 68 1087
 alvaro.parres at xmarts.com.mx