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[criptos at aullox.com]

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I have a astunicall-1.4 setup with a te110p to a nortel pbx in Mexico.
(Hate R2!).

This is what I get when trying to call to * box using testcall:

./testcall
Chan 31, class 'mfcr2', variant 'mx,20,4', end 0, caller 0, from '' to ''
Loading protocol mfcr2
Thread for channel 0
MFC/R2 Chan 31: Call control(9)
MFC/R2 Chan 31: Unblock
MFC/R2 Chan 31: 1001 -> [1/BLOCKED /Idle /Idle ]
MFC/R2 Chan 31: far_unblocking_expired
MFC/R2 Chan 31: local_unblocking_expired
Chan 31: -- Far end unblocked!
Chan 31: -- Far end unblocked!
Chan 31: -- Local end unblocked!
Chan 31: -- Local end unblocked!
Main thread
MFC/R2 Chan 31: <- 0001 [1/IDLE /Idle /Idle ]
MFC/R2 Chan 31: Detected
MFC/R2 Chan 31: Creating a new call with CRN 32769
MFC/R2 Chan 31: 1101 -> [2/DETECTED/Seize ack /Seize ack ]
Chan 31: -- Detected on channel 0, CRN 32769
Chan 31: -- Detected on channel 0, CRN 32769
MFC/R2 Chan 31: <- 8 on [2/DETECTED/Seize ack /Seize ack ]
MFC/R2 Chan 31: 1 on -> [2/DETECTED/Group A /DNIS request ]
MFC/R2 Chan 31: <- 8 off [2/DETECTED/Group A /DNIS request ]
MFC/R2 Chan 31: 1 off -> [2/DETECTED/Group A /DNIS request ]
MFC/R2 Chan 31: <- 6 on [2/DETECTED/Group A /DNIS request ]
MFC/R2 Chan 31: 1 on -> [2/DETECTED/Group A /DNIS request ]
MFC/R2 Chan 31: <- 6 off [2/DETECTED/Group A /DNIS request ]
MFC/R2 Chan 31: 1 off -> [2/DETECTED/Group A /DNIS request ]
MFC/R2 Chan 31: <- 0 on [2/DETECTED/Group A /DNIS request ]
MFC/R2 Chan 31: 1 on -> [2/DETECTED/Group A /DNIS request ]
MFC/R2 Chan 31: <- 0 off [2/DETECTED/Group A /DNIS request ]
MFC/R2 Chan 31: 1 off -> [2/DETECTED/Group A /DNIS request ]
MFC/R2 Chan 31: <- 0 on [2/DETECTED/Group A /DNIS request ]
MFC/R2 Chan 31: 6 on -> [2/DETECTED/Group C /Category req ]
MFC/R2 Chan 31: <- 0 off [2/DETECTED/Group C /Category req ]
MFC/R2 Chan 31: 6 off -> [2/DETECTED/Group C /Category req ]
Main thread
MFC/R2 Chan 31: R2 prot. err. [2/DETECTED/Group C /Category req ]
cause 32771 - T3 timed out
MFC/R2 Chan 31: 1001 -> [1/IDLE /Idle /Idle ]
Chan 31: -- Protocol failure on channel 0, cause (32771) T3 timed out
Chan 31: -- Protocol failure on channel 0, cause (32771) T3 timed out
MFC/R2 Chan 31: <- 1001 [1/IDLE /Idle /Idle ]
MFC/R2 Chan 31: 1001 -> [1/IDLE /Idle /Idle ]
Main thread

#cat testcall.conf
caller no
protocol-class mfcr2
protocol-variant mx,20,4
on-offered answer
circuits 31-31
When using testcall to test outcoing call everything is ok.

./testcall
Chan 31, class 'mfcr2', variant 'mx,20,4', end 0, caller 1, from '9900'
to '2254'
Loading protocol mfcr2
Thread for channel 0
MFC/R2 Chan 31: Call control(9)
MFC/R2 Chan 31: Unblock
MFC/R2 Chan 31: 1001 -> [1/BLOCKED /Idle /Idle ]
MFC/R2 Chan 31: far_unblocking_expired
MFC/R2 Chan 31: local_unblocking_expired
Chan 31: -- Far end unblocked!
Chan 31: -- Far end unblocked!
Chan 31: -- Local end unblocked!
Chan 31: -- Local end unblocked!
Chan 31: Initiating call
MFC/R2 Chan 31: Call control(1)
MFC/R2 Chan 31: Make call
MFC/R2 Chan 31: Creating a new call with CRN 32769
MFC/R2 Chan 31: 0001 -> [1/DIALING /Seize /Idle ]
Chan 31: -- Dialing on channel 0
Chan 31: -- Dialing on channel 0
MFC/R2 Chan 31: <- 1101 [1/DIALING /Seize /Idle ]
MFC/R2 Chan 31: 2 on -> [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: <- 1 on [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: 2 off -> [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: <- 1 off [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: 2 on -> [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: <- 1 on [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: 2 off -> [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: <- 1 off [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: 5 on -> [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: <- 1 on [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: 5 off -> [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: <- 1 off [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: 4 on -> [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: <- 3 on [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: 4 off -> [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: <- 3 off [2/DIALING /Group I /DNIS ]
MFC/R2 Chan 31: 1 on -> [2/PROCEED /Group II /Category ]
Chan 31: -- Proceeding on channel 0
MFC/R2 Chan 31: <- 1 on [2/PROCEED /Group II /Category ]
MFC/R2 Chan 31: 1 off -> [2/PROCEED /Group II /Category ]
MFC/R2 Chan 31: <- 1 off [2/PROCEED /Group II /Category ]
Chan 31: -- Alerting on channel 0
Chan 31: -- Alerting on channel 0
MFC/R2 Chan 31: <- 0101 [1/ALERTING/Await answer /Category ]
Chan 31: -- Connected on channel 0
Chan 31: -- Connected on channel 0
Chan 31: -- '*00000001*9900*2254*#'
Main thread
MFC/R2 Chan 31: <- 1101 [1/CONNECTD/Answered /Category ]
MFC/R2 Chan 31: Far end disconnected(cause=Normal Clearing [16]) -
state 0x400
Chan 31: -- Far end disconnected on channel 0
Chan 31: -- Far end disconnected on channel 0
MFC/R2 Chan 31: Call control(7)
MFC/R2 Chan 31: Drop call(cause=Normal Clearing [16])
MFC/R2 Chan 31: Clearing fwd
MFC/R2 Chan 31: 1001 -> [1/FAR DISC/Clear back B /Idle ]
MFC/R2 Chan 31: <- 1001 [1/FAR DISC/Clear fwd D /Idle ]
MFC/R2 Chan 31: Call disconnected(cause=Normal Clearing [16]) - state 0x800
Chan 31: -- Drop call on channel 0
Chan 31: -- Drop call on channel 0
MFC/R2 Chan 31: Call control(
MFC/R2 Chan 31: Release call
MFC/R2 Chan 31: Destroying call with CRN 32769
Chan 31: -- Release call on channel 0
Chan 31: -- Release call on channel 0
Chan 31: Initiating call
MFC/R2 Chan 31: Call control(1)
MFC/R2 Chan 31: Make call
MFC/R2 Chan 31: Creating a new call with CRN 32770

# cat testcall.conf
caller yes
protocol-class mfcr2
protocol-variant mx,20,4
destination-no 2254
originating-no 9900

Thanks in advance.




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[moises.silva at gmail.com]

This may fix your issue:

mx,10,4,0

By default Mexico variant has the option "get ANI after DNIS". Which
it means just after getting the DNIS digits we will request the
calling party category and DNIS. The Nortel PBX seems to not like
calling party category requests and they want to go straight to group
II signal instead of group C. Adding a 0 as options will disable the
"get ANI after DNIS" option and go straight to Group II signals.

Give that a try and let us know, tho, I still wonder why the Nortel
does not accept the Calling Party Category Request and Switch to Group
C signal. Is the Nortel PBX properly configured for M?xico variant???

Mois?s Silva

On Wed, Feb 27, 2008 at 8:56 PM, Andres Tello Abrego <criptos at aullox.com> wrote: