[cisco-voip] CallerID conundrum...

[Jeff Behl]

Thanks much Vance.  It turned out it was the Calling Numbering Plan; 
changing it to ISDN fixed the problem.

My indoctrination into the world of voice continues...

Jeff

Vance Shipley wrote:

> Jeff,
> 
> The Calling Party Number (as well as Called) information element has
> a great deal more in it than "80569xxxxx".  The Nature of Address
> indicators tell the network a lot about what the digits really 
> represent and how to deal with it.  For instance there is the
> presentation indicator:
> 
>       Presentation indicator (octet 3a)
> 
>       Bits
>       ----
>       7 6  Meaning
>       0 0  Presentation allowed
>       0 1  Presentation restricted
>       1 0  Number not available due to interworking
>       1 1  Reserved
> 
> But in your case it's much more likely that the Type of Number and
> Numbering Plan indicators are the issue:
> 
>       Type of number (octet 3) (Note 1)
> 
>       Bits
>       -----
>       7 6 5
>       0 0 0  Unknown (Note 2)
>       0 0 1  International number (Note 3)
>       0 1 0  National number (Note 3)
>       0 1 1  Network specific number (Note 4)
>       1 0 0  Subscriber number (Note 3)
>       1 1 0  Abbreviated number (Note 5)
>       1 1 1  Reserved for extension
>       
>       
> 
>       Numbering plan identification (octet 3)
> 
>       Numbering plan (applies for type of number = 000, 001, 010 and 100)
> 
>       Bits
>       -------
>       4 3 2 1
>       0 0 0 0  Unknown (Note 6)
>       0 0 0 1  ISDN/telephony numbering plan (Recommendation E.164 [19])
>       0 0 1 1  Data numbering plan (Recommendation X.121 [21])
>       0 1 0 0  Telex numbering plan (Recommendation F.69 [22])
>       1 0 0 0  National standard numbering plan
>       1 0 0 1  Private numbering plan
>       1 1 1 1  Reserved for extension
> 
> 
> 
> If you don't send reasonable values for these the information element may
> be ignored.  There is also the screening indicator:
> 
>       Screening indicator (octet 3a)
> 
>       Bits
>       ----
>       2 1
>       0 0  User-provided, not screened
>       0 1  User-provided, verified and passed
>       1 0  User-provided, verified and failed
>       1 1  Network provided
> 
> 
> If it's not "Network provided" it may be ignored.  Certainly you couldn't
> blame them for ignoring it if it's "User-provided, verified and failed".  :)
> 
> 	-Vance
> 
> Vance Shipley
> Wanspot Inc.
> vances at wanspot.ca
> 
> On Fri, Aug 22, 2003 at 12:20:00PM -0700, Jeff Behl wrote:
> }  
> }  when calls are made from a voip phone to a Cingular or AT&T cell phone, 
> }  the callerid shows up just peachy.  when made to a Verizon phone, the 
> }  recipient gets "Unknown Number".  my router shows:

-- 
:wq
Jeff Behl
Network Engineer
Expertcity
(805) 690-5743