Need Help with Obi200 DigitMap Setup
n4mwd:
I was told that the obi could allow multiple sip simultaneous connections and provided for a cell phone failover. So I bought the obi200 and the obiBT, but after several weeks of trying to configure it, I found that I also need an obiPhD. Any help would be appreciated.
Here is what I have:
Callcentric -> SP1
Asterisk ->SP2
Cell Phone -> BT1
When I dial on the phone (outgoing only for now) I want it to connect to this...
all 2 digit numbers, 3 digit numbers starting with 1 or 2, 411, toll free calls -> Asterisk (SP2)
311,611,911, 933, North american numbers excluding toll free -> callcentric (SP1)
If the network is down or CC is otherwaise unavailable, then send SP1 calls to BT1.
Here is what I have that doesn't work right: (EDITED)
SP1(digitmap) -> ([369]11S0 | 933 | !(MTollFree) | (MNANPA))
SP2(digitmap) -> (xx | [12]xx | (MTollFree) | 411)
BT1(digitmap) -> ((MNANPA) | [369]11S0 )
Trunk Group 1 (Name) -> tg1
Trunk Group 1 (TrunkList) -> sp1,bt1
Trunk Group 1 (DigitMap) -> ((Msp1) | (Mbt1))
Phone Port (DigitMap) -> ((Msp1)|(Msp2)|**0|***|#|##||**8(Mbt)|**1(Msp1)|**2(Msp2))
Phone Port (OutboundCallRoute) ->
{(Msp2):sp2},{(Msp1):tg1},{(<**8:>(Mbt)):bt},{(<**1:>(Msp1)):sp1},{(<**2:>(Msp2)):sp2}
Phone Port (Primary Line) -> Trunk Group 1
User Defined DigitMap (Label) -> TollFree
User Defined DigitMap (DigitMap) -> (<1>18 (00 | 88 | 77 | 66 | 55) xxx xxxx )
User Defined DigitMap (Label) -> NANPA
User Defined DigitMap (DigitMap) ->
(1 [2-9]xx [2-9]xx xxxx | <1>[2-9]xx [2-9]xx xxxx | <1561>[2-9]xx xxxx)
What works:
911, 933, NANPA via Callcentric (sp1)
411, 2 and 3 digit local numbers via asterisk (sp2)
800 numbers are correctly routed to asterisk (SP2)
What doesn't work:
when the network cable is unplugged, the unit gives a SIT error code instead of failing over to BT1.
Any ideas on what is wrong?
azrobert:
After you dial a number the Phone DigitMap validates the number.
The number can also be modified at this point depending on the rules.
Rule "<1>[2-9]xx [2-9]xx xxxx" in NANPA will prepend the tollfree number with a "1".
Phone DigitMap points to SP1 and SP1 includes NANPA.
The call is then processed by the OutboundCallRoute.
In the OutboundCallRoute Processing the 800 number will not match (MTollFree) because it is now 11 digits.
Change
User Defined DigitMap (DigitMap) -> (1 8 (00 | 88 | 77 | 66 | 55) xxx xxxx )
I never used the Not operand and I'm not sure how it works.
If it actually rejected the number, tollfree numbers wouldn't pass the Phone port DigitMap.
A better method is to remove !(MTollFree)
Then change the sequence of the OutboundCallRoute:
{(Msp2):sp2},{(Msp1):tg1},.....
Not sure about the failover.
I'll post some thoughts latter if nobody replies.
n4mwd:
Thanks, that did the trick. I made the changes to the digitmaps in the original post as well.
There is still a minor issue regarding toll free numbers. When I dial a regular NANPA number, it connects as soon as I hit the last digit. When I dial a toll free number, it waits for me to hit #. It would be nice if toll free numbers could dial automatically like that as well.
411 and 911 also require a #. I'm thinking that its conflicting with the NANPA definition and waiting for extra digits.
Any insight regarding the ObiBT failover, would also be appreciated.
azrobert:
The Phone Port DigitMap determines the delay.
When you dial a number and it matches a rule and it can't potentially match another rule with additional digits, it will be routed immediately.
When a dialed number can potentially match another rule, the OBi will wait 2 seconds for additional digits.
If you override the timer with a suffix S0, the call will be routed immediately.
The only problem I see is with 411
Change it to 411S0
[369]11S0 should route 911 immediately.
Maybe there is a bug.
Try 311S0|611S0|911S0
I assume you are dialing 10 digit 800 numbers.
What happens if you dial an 11 digit 800 number?
I don't see any other rule that will match a 10 digit 800 number with additional digits, so I don't understand why it's not routed immediately.
Try adding S0 suffix to "<1>[2-9]xx [2-9]xx xxxx"
2 and 3 digit number can potentially match other rules, so you need a delay.
Do you only use phones where you dial a number then press Talk/Send?
If you do then you can reduce the delay to 1 second.
Physical Interfaces -> Phone1 Port -> DigitMapShortTimer: 1
azrobert:
The OBi is not a PBX and its failover processing is not the best.
It will not failover on all failure types, but should when you pull the plug on the router.
It might be in the process of failover and you don't know it.
It can take 32 seconds for the process to work.
I believe it's TimerB that determines the failover delay.
Service Providers -> ITSP Profile X SIP -> TimerB
The default is 32 seconds.
I don't know what a minimum number should be.
I also don't know why you are getting a SIT tone.
You will get this delay even if the trunk is down.
A trick someone (can't remember their name) showed me is:
Voice Services -> SP X Service -> X_NoRegNoCall: Checked
Now if the trunk is down, failover will be immediate.
Use a shorter Service Providers -> ITSP Profile X SIP -> RegistrationPeriod
The OBi might not know the trunk is down until it tries to re-register.
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