<br><font size=3 face="Arial">Hello,</font><br><br><font size=3 face="Arial">As you can read in the subject, we have unusual
behavior trying to set up an asterisk server using a R2 connection to CANTV
in Venezuela.</font><br><br><font size=3 face="Arial">Following you can find the details: </font><br><br><font size=3 face="Arial">++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++</font><br><font size=3 face="Arial">- Asterisk version 1.6.2.6</font><br><font size=3 face="Arial">- Dadhi version 2.3.0</font><br><font size=3 face="Arial">- Libpri Version 1.4.10.2</font><br><font size=3 face="Arial">- openr2 version 1.3.0</font><br><font size=3 face="Arial">++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++</font><br><br><font size=3 face="Arial">Configuration files:</font><br><font size=3 face="Arial">/etc/dahdi/system.conf</font><br><br><font size=3 face="Arial">fxoks = 1-8</font><br><br><font size=3 face="Arial">dynamic=ethmf,eth0/00:50:c2:65:d2:0e/0,31,0</font><br><font size=3 face="Arial">dynamic=ethmf,eth0/00:50:c2:65:d2:0e/1,31,1</font><br><br><font size=3 face="Arial">cas=9-24:1101</font><br><font size=3 face="Arial">dchan=25</font><br><font size=3 face="Arial">cas=26-40:1101</font><br><font size=3 face="Arial">alaw=9-40</font><br><br><font size=3 face="Arial">loadzone=us</font><br><font size=3 face="Arial">defaultzone=us</font><br><br><br><font size=3 face="Arial">[channels]</font><br><br><font size=3 face="Arial">group=1</font><br><font size=3 face="Arial">language=es</font><br><font size=3 face="Arial">context=Entrantes</font><br><font size=3 face="Arial">signalling=mfcr2</font><br><font size=3 face="Arial">mfcr2_variant=ve</font><br><font size=3 face="Arial">mfcr2_get_ani_first=yes</font><br><font size=3 face="Arial">mfcr2_immediate_accept=yes</font><br><font size=3 face="Arial">mfcr2_max_ani=10</font><br><font size=3 face="Arial">mfcr2_max_dnis=4</font><br><font size=3 face="Arial">mfcr2_category=national_subscriber</font><br><font size=3 face="Arial">mfcr2_logdir=cantv</font><br><font size=3 face="Arial">mfcr2_logging=all</font><br><font size=3 face="Arial">mfcr2_mfback_timeout=-1</font><br><font size=3 face="Arial">mfcr2_call_files=yes</font><br><font size=3 face="Arial">mfcr2_skip_category=yes
; This parameter was added after get the Invalid Multi Frequency
Tone Error. It did not fix it</font><br><font size=3 face="Arial">channel => 9-24</font><br><br><font size=3 face="Arial">++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++</font><br><br><font size=3 face="Arial"><b>When we receive several unsuccesfull calls
we can see all bits remained in 1 state in dadhi-tool. After of a while
all bits made a clearing process:</b></font><br><br><font size=3 face="Arial">Asterisk Console></font><br><font size=3 face="Arial">Chan 21 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 21</font><br><font size=3 face="Arial">MFC/R2 call end on channel 21</font><br><font size=3 face="Arial">Chan 11 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 11</font><br><font size=3 face="Arial">MFC/R2 call end on channel 11</font><br><font size=3 face="Arial">Chan 17 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 17</font><br><font size=3 face="Arial">MFC/R2 call end on channel 17</font><br><font size=3 face="Arial">Chan 18 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 18</font><br><font size=3 face="Arial">MFC/R2 call end on channel 18</font><br><font size=3 face="Arial">Chan 19 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 19</font><br><font size=3 face="Arial">MFC/R2 call end on channel 19</font><br><font size=3 face="Arial">Chan 10 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 10</font><br><font size=3 face="Arial">MFC/R2 call end on channel 10</font><br><font size=3 face="Arial">Chan 9 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 9</font><br><font size=3 face="Arial">MFC/R2 call end on channel 9</font><br><br><br><font size=3 face="Arial"><b>...A while after a new unsuccesfull call
was made</b></font><br><br><font size=3 face="Arial">Asterisk Console></font><br><font size=3 face="Arial">New MFC/R2 call detected on chan 12.</font><br><font size=3 face="Arial">[Jul 21 20:02:40] WARNING[32725]: chan_dahdi.c:1923
dahdi_r2_write_log: Chan 12 - MF back cycle timed out!</font><br><font size=3 face="Arial">[Jul 21 20:02:40] ERROR[32725]: chan_dahdi.c:1926
dahdi_r2_write_log: Chan 12 - Protocol error. Reason = Multi Frequency
Cycle Timeout, R2 State = Seize ACK Transmitted, MF state = Category Request
Transmitted, MF Group = Backward Group A, CAS = 0x00</font><br><font size=3 face="Arial">DNIS = 3, ANI = , MF = 0x33</font><br><font size=3 face="Arial">[Jul 21 20:02:40] ERROR[32725]: chan_dahdi.c:1711
dahdi_r2_on_protocol_error: MFC/R2 protocol error on chan 12: Multi Frequency
Cycle Timeout</font><br><br><font size=3 face="Arial">+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++</font><br><br><br><font size=3 face="Arial"><b>The following calls works fine. No change
were made in any configuration file. i.e.:</b></font><br><br><font size=3 face="Arial">Asterisk Console></font><br><font size=3 face="Arial">New MFC/R2 call detected on chan 9.</font><br><font size=3 face="Arial">MFC/R2 call offered on chan 9. ANI = 2412008001,
DNIS = 355, Category = National Subscriber</font><br><font size=3 face="Arial">[Jul 21 20:10:04] WARNING[3404]: chan_dahdi.c:2683
dahdi_enable_ec: Unable to enable echo cancellation on channel 9 (No such
device)</font><br><font size=3 face="Arial">MFC/R2 call has been accepted on backward
channel 9</font><br><font size=3 face="Arial"> -- Executing [355@Entrantes:1]
Goto("DAHDI/9-1", "internas-standard,355,1") in new
stack</font><br><font size=3 face="Arial"> -- Goto (internas-standard,355,1)</font><br><font size=3 face="Arial"> -- Executing [355@internas-standard:1]
Macro("DAHDI/9-1", "extension-con-voicemail,SIP/355")
in new stack</font><br><font size=3 face="Arial"> -- Executing [s@macro-extension-con-voicemail:1]
NoOp("DAHDI/9-1", "Llamada standard a 355 en SIP/355")
in new stack</font><br><font size=3 face="Arial"> -- Executing [s@macro-extension-con-voicemail:2]
Dial("DAHDI/9-1", "SIP/355,20") in new stack</font><br><font size=3 face="Arial"> == Using SIP RTP CoS mark 5</font><br><font size=3 face="Arial"> == Using SIP VRTP CoS mark 6</font><br><font size=3 face="Arial"> -- Called 355</font><br><font size=3 face="Arial"> -- SIP/355-00000000 is ringing</font><br><font size=3 face="Arial"> -- SIP/355-00000000 answered
DAHDI/9-1</font><br><font size=3 face="Arial"> == Spawn extension (macro-extension-con-voicemail,
s, 2) exited non-zero on 'DAHDI/9-1' in macro 'extension-con-voicemail'</font><br><font size=3 face="Arial"> == Spawn extension (internas-standard,
355, 1) exited non-zero on 'DAHDI/9-1'</font><br><font size=3 face="Arial"> -- Hungup 'DAHDI/9-1'</font><br><font size=3 face="Arial">New MFC/R2 call detected on chan 10.</font><br><font size=3 face="Arial">MFC/R2 call offered on chan 10. ANI = 2412008001,
DNIS = 355, Category = National Subscriber</font><br><font size=3 face="Arial">[Jul 21 20:11:55] WARNING[3404]: chan_dahdi.c:2683
dahdi_enable_ec: Unable to enable echo cancellation on channel 10 (No such
device)</font><br><font size=3 face="Arial">MFC/R2 call has been accepted on backward
channel 10</font><br><font size=3 face="Arial"> -- Executing [355@Entrantes:1]
Goto("DAHDI/10-1", "internas-standard,355,1") in new
stack</font><br><font size=3 face="Arial"> -- Goto (internas-standard,355,1)</font><br><font size=3 face="Arial"> -- Executing [355@internas-standard:1]
Macro("DAHDI/10-1", "extension-con-voicemail,SIP/355")
in new stack</font><br><font size=3 face="Arial"> -- Executing [s@macro-extension-con-voicemail:1]
NoOp("DAHDI/10-1", "Llamada standard a 355 en SIP/355")
in new stack</font><br><font size=3 face="Arial"> -- Executing [s@macro-extension-con-voicemail:2]
Dial("DAHDI/10-1", "SIP/355,20") in new stack</font><br><font size=3 face="Arial"> == Using SIP RTP CoS mark 5</font><br><font size=3 face="Arial"> == Using SIP VRTP CoS mark 6</font><br><font size=3 face="Arial"> -- Called 355</font><br><font size=3 face="Arial"> -- SIP/355-00000001 is ringing</font><br><font size=3 face="Arial"> -- SIP/355-00000001 answered
DAHDI/10-1</font><br><font size=3 face="Arial">MFC/R2 call end on channel 9</font><br><font size=3 face="Arial"> == Spawn extension (macro-extension-con-voicemail,
s, 2) exited non-zero on 'DAHDI/10-1' in macro 'extension-con-voicemail'</font><br><font size=3 face="Arial"> == Spawn extension (internas-standard,
355, 1) exited non-zero on 'DAHDI/10-1'</font><br><font size=3 face="Arial"> -- Hungup 'DAHDI/10-1'</font><br><font size=3 face="Arial">Asterisk Console></font><br><font size=3 face="Arial">++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++</font><br><br><font size=3 face="Arial"><b>Then with only one incomming call two
channels change their bits to one, we could see it in the dahdi_tool.The
call plays a busy tone</b></font><br><br><font size=3 face="Arial">Asterisk Console></font><br><font size=3 face="Arial">New MFC/R2 call detected on chan 10.</font><br><font size=3 face="Arial">New MFC/R2 call detected on chan 11.</font><br><font size=3 face="Arial">Asterisk Console></font><br><br><font size=3 face="Arial"><b> dahdi_tool shows two channels seized
with the same call</b></font><br><br><font size=3 face="Arial">
1234567890123456789012345678901
</font><br><font size=3 face="Arial">
TxA 1111111111111111-11111111111111 </font><br><font size=3 face="Arial">
TxB 0<b>11</b>0000000000000-11111111111111
</font><br><font size=3 face="Arial">
TxC 0000000000000000-00000000000000
</font><br><font size=3 face="Arial">
TxD 1111111111111111-11111111111111 </font><br><br><br><font size=3 face="Arial"><b>After that,and several calls later, the
Multi Frecuency error, then clear automatically all channels again</b></font><br><br><font size=3 face="Arial">New MFC/R2 call detected on chan 24.</font><br><font size=3 face="Arial">[Jul 21 20:30:43] ERROR[5134]: chan_dahdi.c:1926
dahdi_r2_write_log: Chan 24 - Protocol error. Reason = Invalid Multi Frequency
Tone, R2 State = Seize ACK Transmitted, MF state = Seize ACK Transmitted,
MF Group = Backward MF init, CAS = 0x00</font><br><font size=3 face="Arial">DNIS = , ANI = , MF = 0x43</font><br><font size=3 face="Arial">[Jul 21 20:30:43] ERROR[5134]: chan_dahdi.c:1711
dahdi_r2_on_protocol_error: MFC/R2 protocol error on chan 24: Invalid Multi
Frequency Tone</font><br><font size=3 face="Arial">New MFC/R2 call detected on chan 10.</font><br><font size=3 face="Arial">New MFC/R2 call detected on chan 15.</font><br><font size=3 face="Arial">Chan 15 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 15</font><br><font size=3 face="Arial">MFC/R2 call end on channel 15</font><br><font size=3 face="Arial">New MFC/R2 call detected on chan 15.</font><br><font size=3 face="Arial">Chan 20 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 20</font><br><font size=3 face="Arial">MFC/R2 call end on channel 20</font><br><font size=3 face="Arial">Chan 21 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 21</font><br><font size=3 face="Arial">MFC/R2 call end on channel 21</font><br><font size=3 face="Arial">Chan 19 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 19</font><br><font size=3 face="Arial">MFC/R2 call end on channel 19</font><br><font size=3 face="Arial">Chan 18 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 18</font><br><font size=3 face="Arial">MFC/R2 call end on channel 18</font><br><font size=3 face="Arial">Chan 22 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 22</font><br><font size=3 face="Arial">MFC/R2 call end on channel 22</font><br><font size=3 face="Arial">Chan 15 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 15</font><br><font size=3 face="Arial">MFC/R2 call end on channel 15</font><br><font size=3 face="Arial">Chan 23 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 23</font><br><font size=3 face="Arial">MFC/R2 call end on channel 23</font><br><font size=3 face="Arial">[Jul 21 20:32:55] NOTICE[5134]: chan_dahdi.c:1957
dahdi_r2_on_line_idle: Far end unblocked on chan 24</font><br><font size=3 face="Arial">Chan 10 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 10</font><br><font size=3 face="Arial">MFC/R2 call end on channel 10</font><br><font size=3 face="Arial">New MFC/R2 call detected on chan 20.</font><br><font size=3 face="Arial">New MFC/R2 call detected on chan 21.</font><br><font size=3 face="Arial">Chan 21 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 21</font><br><font size=3 face="Arial">MFC/R2 call end on channel 21</font><br><font size=3 face="Arial">Chan 20 - Far end disconnected. Reason: Normal
Clearing</font><br><font size=3 face="Arial">MFC/R2 call disconnected on channel 20</font><br><font size=3 face="Arial">MFC/R2 call end on channel 20</font><br><br><br><font size=3 face="Arial">Do you have any suggestions???</font><br><br><font size=3 face="Arial"><br>Best Regards<br>Ramón Jiménez</font><BR>