Wow.
I thought I had it fixed when I picked up misaligned CICs on my second
E1 port but it has not made any difference. Still there is no audio
making it back to the calling party who's called in via the SS7 link.
I did find that with 'ss7_explicitacm=yes' in my chan_dahdi.conf the
call would be answered by Asterisk and then hung up. It seems that for
the call to stay active I had to remove 'ss7_explicitacm' from my
config; but still there is no audio.
I enabled "monitor()" in my dialplan and I can hear that my test music
on hold is being played back but it is not making it to the calling
party called in on the SS7 link.
My provider sent me a document showing his channel numbers and his
assigned CICs. I then added to the document and listed my Dahdi ports
and corresponding CICs to assist with me aligning my CICs with his. So
far from what I can tell it looks fine?
Some posts seem to indicate that there may be a problem with
Asterisk-1.6.2 and that I should try Asterisk-1.6.0, or even 1.8.x? My
updated config files have been included below. I've also asked my
provider to enable the "Continuity Check" suggested by Gustavo but am
waiting for them to confirm. Your assistance is greatly appreciated!
Operator My Side
-------------------------------------------------------------------
E1 Channel CIC Dahdi CIC
UPDR-1377 1 1 1
UPDR-1378 2 2 2
UPDR-1379 3 3 3
UPDR-1380 4 4 4
UPDR-1381 5 5 5
UPDR-1382 6 6 6
UPDR-1383 7 7 7
UPDR-1384 8 8 8
UPDR-1385 9 9 9
UPDR-1386 10 10 10
UPDR-1387 11 11 11
UPDR-1388 12 12 12
UPDR-1389 13 13 13
UPDR-1390 14 14 14
UPDR-1391 15 15 15
16 (signalling)
UPDR-1393 17 17 17
UPDR-1394 18 18 18
UPDR-1395 19 19 19
UPDR-1396 20 20 20
UPDR-1397 21 21 21
UPDR-1398 22 22 22
UPDR-1399 23 23 23
UPDR-1400 24 24 24
UPDR-1401 25 25 25
UPDR-1402 26 26 26
UPDR-1403 27 27 27
UPDR-1404 28 28 28
UPDR-1405 29 29 29
UPDR-1406 30 30 30
UPDR-1407 31 31 31
2nd E1 -------------------------------------------------
UPDR-1409 33 32 33
UPDR-1410 34 33 34
UPDR-1411 35 34 35
UPDR-1412 36 35 36
UPDR-1413 37 36 37
UPDR-1414 38 37 38
UPDR-1415 39 38 39
UPDR-1416 40 39 40
UPDR-1417 41 40 41
UPDR-1418 42 41 42
UPDR-1419 43 42 43
UPDR-1420 44 43 44
UPDR-1421 45 44 45
UPDR-1422 46 45 46
UPDR-1423 47 46 47
47 (signalling)
UPDR-1425 49 48 49
UPDR-1426 50 49 50
UPDR-1427 51 50 51
UPDR-1428 52 51 52
UPDR-1429 53 52 53
UPDR-1430 54 53 54
UPDR-1431 55 54 55
UPDR-1432 56 55 56
UPDR-1433 57 56 57
UPDR-1434 58 57 58
UPDR-1435 59 58 59
UPDR-1436 60 59 60
UPDR-1437 61 60 61
UPDR-1438 62 61 62
UPDR-1439 63 62 63
*/etc/dahdi/system.conf
l*oadzone=za
defaultzone=za
span=1,1,0,ccs,hdb3,crc4
bchan=1-15,17-31
mtp2=16
span=2,1,0,ccs,hdb3,crc4
bchan=32-46,48-62
mtp2=47
*/etc/asterisk/chan_dahdi.conf*:
[trunkgroups]
[channels]
usecallerid=yes
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
canpark=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=yes
relaxdtmf=yes
rxgain=0.0
txgain=0.0
group=1
callgroup=1
pickupgroup=1
immediate=no
;Sangoma A102 port 1 [slot:4 bus:12 span:1] <wanpipe1>
switchtype=euroisdn
context=from-ss7
group=0
echocancel=no
signaling=ss7
linkset=1
ss7type=itu
ss7_called_nai=dynamic
ss7_calling_nai=dynamic
ss7_internationalprefix=00
ss7_nationalprefix=0
ss7_subscriberprefix=
ss7_unknownprefix=
;ss7_explicitacm=yes
pointcode=1379
adjpointcode=1288
defaultdpc=1288
networkindicator=national
;First E1
sigchan=16
cicbeginswith=1
channel=1-15
cicbeginswith=17
channel=17-31
;Second E1
sigchan=47
cicbeginswith=33
channel=32-46
cicbeginswith=49
channel=48-62
*/etc/asterisk/extensions.conf*
[general]
[from-ss7]
exten => _X.,1,Answer
exten => _X.,n,Monitor(wav,${UNIQUEID},m)
exten =>
_X.,n,Playback(/var/lib/asterisk/sounds/en/followme/pls-hold-while-try)
exten => _X.,n,MusicOnHold(default,60)
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Kind regards,
David Wilson
CNS,CLS, LINUX+, CLA, DCTS, LPIC3
*LinuxTech CC t/a DcData*
CK number: 2001/058368/23
*Website:* http://www.dcdata.co.za
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