[Asterisk-Users] New T100P Pri install suggestions?

Rich Adamson radamson at routers.com
Tue Nov 30 13:44:12 MST 2004


Excellent, thanks for the quick response!

------------------------
> 1) Most PRI T-1's in the US are set up as NI2 even if the actual switch 
> is something else.
> 
> 2) Correct
> 
> 3) As far as I know zttool is it in asterisk. But then w/my install it 
> 'Just Worked' (tm) So I didn't even need that...
> 
> 4) When an incoming call is presented on the PRI you will get some 
> number of digits put into EXTEN and the dialplan will try top match 
> it... i.e. if the DID range the telco has assigned you is (555) 
> 555-1100 thru (555) 555-1199 they will probably just send you the last 
> 2 or 4 digits, assuming 4 digits, you will get (and have to match in 
> your dialplan) 1100 thru 1199.
> 
> Hope that helps!
> Tim
> 
> 
> On Nov 30, 2004, at 9:48 AM, Lyle Giese wrote:
> 
> > 1) national would be my choice.
> >
> > 2) the number will depend on the load order of the modules when you 
> > modprobe
> > them.
> >
> > I don't know the answers to the other two questions as I have not done 
> > a PRI
> > with * yet.
> >
> > Lyle
> >
> > ----- Original Message -----
> > From: "Rich Adamson" <radamson at routers.com>
> > To: "Asterisk-a-users-list" <asterisk-users at lists.digium.com>
> > Sent: Monday, November 29, 2004 7:15 AM
> > Subject: [Asterisk-Users] New T100P Pri install suggestions?
> >
> >
> >> In the next week or so, we'll be turning up a new T1 Pri from Cox 
> >> Cable
> >> in Omaha using a T100P (installed but not yet configured). While
> > discussing
> >> the interface parameters with a very knowledgable Cox engineer, we 
> >> decided
> >> on some of the basics including b8zs, esf, dchan=24, callerid, 5 
> >> digits
> >> of called number forwarded to *, and switchtype=national (NI2). They
> >> indicated their CO switch is a DMS500 that is compatible with several
> >> different switchtypes including 5ess, dms100, etc. * will clock sync
> >> from this pri.
> >>
> >> This system also has a tdm04b (4-port fxo) installed and working, and 
> >> is
> >> expected to remain after the t100p is implemented. Zttool can see both
> > cards
> >> at the moment.
> >>
> >> Questions:
> >> 1. Is a switchtype=national (NI2) a reasonable choice, or are there 
> >> other
> >> types that others have found to be more usable/stable with * in the 
> >> US?
> >>
> >> 2. Since the current system has a working tdm04b defined as fxsks=1-4 
> >> in
> >> /etc/zaptel.conf, how will I know when implementing the t100p whether
> >> those b-channels should be 5-28 or 1-23? (eg, which card has channel 
> >> 1?
> >> It almost appears that defining the span= first with bchan=1-23 and
> >> follow it with fxsks=25-28 (for the tdm04b), is about the only way to
> >> do that without creating ambiguity for the reader.) Is that a 
> >> reasonable
> >> approach or assumption?
> >>
> >> 3. Other then zttool, what other methods have others found useful for
> >> diagnosing layer 1 & 2 type issues remotely during an initial pri 
> >> install?
> >> (After ensuring layer 1/2 functionality, I'm assuming 'pri debug', 
> >> etc,
> >> is most appropriate for diagnosing higher layer and dialplan issues.)
> >>
> >> 4. In very general terms, when passing incoming pri calls to a 
> >> specific
> >> extensions.conf context, is using 'exten => s,1...' a reasonable way
> >> to handle inbound calls initially? (Is the 'called number' passed in
> >> EXTEN like it is with sip calls?)
> >>
> >> Any other tips/tricks for handling an initial pri installation?
> >>
> >> Rich
> >>
> >>
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> >
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