[Asterisk-Users] 911 and ISDN PRI
Jonathan Feally
vulture at netvulture.com
Wed Feb 8 18:08:26 MST 2006
From me looking at it - it looks like the Telco is not accepting a 3
digit number. Have you tried 411 on the PRI to see if you are getting
the same error?
My 2 Cents
-Jon
Michael Collins wrote:
> Joe,
>
>
>
> It is entirely possible, even probable, that you spoke with someone
> who doesn't know the difference between PRI and good ol' fashion T1
> trunks. If he insists that "the channel never comes up" then he is
> definitely looking in the wrong place. Assuming he's talking about
> the B channel, obviously it's not coming up because that's what you're
> troubleshooting. If he's insisting that the D channel isn't coming up
> then obviously none of your calls would be working, DID or otherwise.
>
>
>
> Sounds like you've got a case of "vendor wheel-of-blame" going on.
> Please contact me off list and I'll be happy to help you out. I used
> to be a vendor so I know the routine. I've got a dozen T1's, half of
> which are PRI's, from 3 different telcos so I'm used to this kind of
> stuff.
>
>
>
> -MC
>
>
>
> ------------------------------------------------------------------------
>
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Joe Pukepail
> Sent: Wednesday, February 08, 2006 3:31 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] 911 and ISDN PRI
>
>
>
> I've talked to the carrier (verizon), what they said is that the call
> is not leaving my phone equipment. I tried to tell him that I'm
> getting an error back from his system, but he insists that the channel
> never comes up. Their answers was "talk to your telco vendor, its on
> their end". So I guess I'm pretty much SOL when it comes to using 911
> with the PRI.
>
>
>
> Below is the debug, they wanted me to try all the DID numbers to see
> if it worked on any of them (40 numbers) and the billing number,
> wouldn't work with any of them.
>
>
>
>
> -- Executing SetCallerID("IAX2/sycam-16384", "8157548823") in new
> stack
> -- Executing Dial("IAX2/sycam-16384", "Zap/g2/911") in new stack
> -- Making new call for cr 33385
> -- Requested transfer capability: 0x00 - SPEECH
>> Protocol Discriminator: Q.931 (8) len=39
>> Call Ref: len= 2 (reference 617/0x269) (Originator)
>> Message type: SETUP (5)
>> [04 03 80 90 a2]
>> Bearer Capability (len= 5) [ Ext: 1 Q.931 Std: 0 Info transfer
> capability: Speech (0)
>> Ext: 1 Trans mode/rate: 64kbps,
> circuit-mode (16)
>> Ext: 1 User information layer 1: u-Law
> (34)
>> [18 03 a9 83 81]
>> Channel ID (len= 5) [ Ext: 1 IntID: Implicit, PRI Spare: 0,
> Exclusive Dchan: 0
>> ChanSel: Reserved
>> Ext: 1 Coding: 0 Number Specified Channel
> Type: 3
>> Ext: 1 Channel: 1 ]
>> [1e 02 80 83]I>
>> Progress Indicator (len= 4) [ Ext: 1 Coding: CCITT (ITU) standard
> (0) 0: 0 Location: User (0)
>> Ext: 1 Progress Description: Calling
> equipment is non-ISDN. (3) ]
>> [6c 0c 41 80 38 31 35 37 35 34 38 38 32 33]
>> Calling Number (len=14) [ Ext: 0 TON: Subscriber Number (4) NPI:
> ISDN/Telephony Numbering Plan (E.164/E.163) (1)
>> Presentation: Presentation permitted, user
> number not screened (0) '8157548823' ]
>> [70 04 a1 39 31 31]
>> Called Number (len= 6) [ Ext: 1 TON: National Number (2) NPI:
> ISDN/Telephony Numbering Plan (E.164/E.163) (1) '911' ]
> -- Called g2/911
> < Protocol Discriminator: Q.931 (8) len=9
> < Call Ref: len= 2 (reference 617/0x269) (Terminator)
> < Message type: RELEASE COMPLETE (90)
> < [08 02 82 9c]
> < Cause (len= 4) [ Ext: 1 Coding: CCITT (ITU) standard (0) 0: 0
> Location: Public network serving the local user (2)
> < Ext: 1 Cause: Invalid number format (28), class =
> Normal Event (1) ]
> -- Processing IE 8 (cs0, Cause)
> -- Channel 0/1, span 2 got hangup
> NEW_HANGUP DEBUG: Calling q931_hangup, ourstate Null, peerstate Null
> NEW_HANGUP DEBUG: Destroying the call, ourstate Null, peerstate Null
> -- Hungup 'Zap/25-1'
>
>
>
> On 2/8/06, Watkins, Bradley <Bradley.Watkins at compuware.com
> <mailto:Bradley.Watkins at compuware.com>> wrote:
>
> It looks like the outbound caller ID is not being set properly. Most
> of the carriers that I've dealt with will act exactly as you said if
> you do not set it to what is expected at the 911 center.
>
>
>
> In particular:
>
>
>
>> Calling Number (len= 8) [ Ext: 0 TON: Subscriber Number (4) NPI:
> ISDN/Telephony Numbering Plan (E.164/E.163) (1)
>> Presentation: Presentation permitted, user
> number not screened (0) '3251' ]
>
>
>
> Your user number being sent is just the caller ID of the SIP channel.
>
>
>
> Regards,
>
> - Brad
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> <mailto:asterisk-users-bounces at lists.digium.com>
> [mailto:asterisk-users-bounces at lists.digium.com
> <mailto:asterisk-users-bounces at lists.digium.com> ] On Behalf Of
> Joe Pukepail
>
> Sent: Tuesday, February 07, 2006 3:26 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] 911 and ISDN PRI
>
>
> I have a call in with the carrier, below is the PRI debug, looks
> like it is getting hungup because of "Invalid Number format", I
> did try to use Setcallerid to change the callerID to a DID number
> in a previous attempt, but it still didn't go through. Not sure
> if that "invalid number format" is the calling number or the
> number I'm calling. I'll let the list know the result.
>
>
>
> I would encourage everyone to test their 911 functionality
> (especially if you have a PRI), I almost didn't check it. The PRI
> is up and 411 works, so I almost assumed that 911 would work.
> Make sure you call the police station first to make sure they are
> not swamped by real emergency calls and let them know you are
> testing .
>
>
>
>
> -- Executing NoOp("SIP/3251-7316", "3251") in new stack
> -- Executing Dial("SIP/3251-7316", "Zap/g2/911") in new stack
> -- Making new call for cr 33144
> -- Requested transfer capability: 0x00 - SPEECH
>> Protocol Discriminator: Q.931 (8) len=44
>> Call Ref: len= 2 (reference 376/0x178) (Originator)
>> Message type: SETUP (5)
>> [04 03 80 90 a2]
>> Bearer Capability (len= 5) [ Ext: 1 Q.931 Std: 0 Info transfer
> capability: Speech (0)
>> Ext: 1 Trans mode/rate: 64kbps,
> circuit-mode (16)
>> Ext: 1 User information layer 1:
> u-Law (34)
>> [18 03 a9 83 81]
>> Channel ID (len= 5) [ Ext: 1 IntID: Implicit, PRI Spare: 0,
> Exclusive Dchan: 0
>> ChanSel: Reserved
>> Ext: 1 Coding: 0 Number Specified
> Channel Type: 3
>> Ext: 1 Channel: 1 ]
>> [1e 02 80 83]I>
>> Progress Indicator (len= 4) [ Ext: 1 Coding: CCITT (ITU)
> standard (0) 0: 0 Location: User (0)
>> Ext: 1 Progress Description:
> Calling equipment is non-ISDN. (3) ]
>> [28 09 b1 52 65 63 70 74 69 6f 6e]
>> Display (len= 9) Charset: 31 [ Recption ]
>> [6c 06 41 80 33 32 35 31]
>> Calling Number (len= 8) [ Ext: 0 TON: Subscriber Number (4)
> NPI: ISDN/Telephony Numbering Plan (E.164/E.163) (1)
>> Presentation: Presentation permitted,
> user number not screened (0) '3251' ]
>> [70 04 a1 39 31 31]
>> Called Number (len= 6) [ Ext: 1 TON: National Number (2) NPI:
> ISDN/Telephony Numbering Plan (E.164/E.163) (1) '911' ]
> -- Called g2/911
> < Protocol Discriminator: Q.931 (8) len=9
> < Call Ref: len= 2 (reference 376/0x178) (Terminator)
> < Message type: RELEASE COMPLETE (90)
> < [08 02 82 9c]
> < Cause (len= 4) [ Ext: 1 Coding: CCITT (ITU) standard (0) 0: 0
> Location: Public network serving the local user (2)
> < Ext: 1 Cause: Invalid number format (28),
> class = Normal Event (1) ]
> -- Processing IE 8 (cs0, Cause)
> -- Channel 0/1, span 2 got hangup
>
>
>
>
>
>
>
> On 2/7/06, Mark Phillips <g7ltt at g7ltt.com
> <mailto:g7ltt at g7ltt.com>> wrote:
>
> I dunno about your provider but I know that 2 of my 3 MCI PRI circuits
> have no 911 abilities. MCI tells me this is becasue I have no local
> dialing plan on them.
>
> Mark, G7LTT/KC2ENI
> Randolph, NJ
> http://www.g7ltt.com <http://www.g7ltt.com/>
>
>
> Michael Collins wrote:
>> 911 **should** work on a PRI. If you are getting a hangup and
> you don't
>> see a valid hangupcause, it might be best to get your carrier on the
>> line and have them monitor the circuit while you dial 911. They
> might
>> be able to tell you what the problem is.
>>
>>
>>
>> -MC
>>
>>
>>
>> ------------------------------------------------------------------------
>>
>> *From:* asterisk-users-bounces at lists.digium.com
> <mailto:asterisk-users-bounces at lists.digium.com>
>> [mailto:asterisk-users-bounces at lists.digium.com
> <mailto:asterisk-users-bounces at lists.digium.com>] *On Behalf Of
> *Joe Pukepail
>> *Sent:* Tuesday, February 07, 2006 10:10 AM
>> *To:* Asterisk Users Mailing List - Non-Commercial Discussion
>> *Subject:* [Asterisk-Users] 911 and ISDN PRI
>>
>>
>>
>> Does asterisk support this? I have a location that I planned to only
>> put a PRI line, but testing 911 (I called them first), I just get a
>> hangup. Does 911 normally work over a PRI line? Anything special I
>> have to setup in asterisk?
>>
>>
>> ------------------------------------------------------------------------
>>
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