I've been able to pass presentation status between tandems without
needing to do anything explicitly. This seems to be part of the Caller
ID that is transmitted without explicit intervention. Have you tested
without using the u option? I've never used the u option and not had
issues with presentation transmitting as supposed to. This is with
manual Set(CALLERID(pres)=something) and then seeing if it gets honored
on the other end. The remote Asterisk gets the full number, of course,
but the called telephone does not display it. Perhaps the u option is
intended for lines, not trunks, and so the number never gets sent?
The only time I've found I (may) need to explicitly account for
presentation is if I am regenerating the call, and then this needs to be
accounted for in the call file (ignore that if that makes no sense).
The only inconsistency I've encountered has to do with presentation
mismatches between the name and the number. If, for instance, I want the
number to display but not the same, setting the presentations as the
documentation would suggest does not work. The behavior is inconsistent
between different SIP clients and it didn't work for me in any logical
way. I didn't bother to a file a bug report about it, as I worked around
this by simply doing Set(CALLERID(name)=) to empty the name and write
the original name back into the variable after the call. Your mileage
may vary.
NA
On 3/11/2021 2:22 PM, Mike wrote:
Hi,
Using Asterisk 13.36.0
I have a bit of a technical issue with hidden caller IDs. My setup,
at the moment, is composed of two Asterisk boxes. In some instance,
calls arrive on Asterisk A, and are then sent to Asterisk B for
further processing. The link between them is SIP (both on the same
switch/LAN). Asterisk A has a Digium PRI card (recent one) and a PRI link.
When I receive a hidden number (i.e. “presentation prohibited”) call
on Asterisk A through PRI, I get the following Caller ID information
(using 444-555-6666 as example):
“ <4445556666>”
And
CallerID presence is received as “prohibited_not_screened”.
Which is fine – I know the incoming number BUT I am told not to show
it to the end user. All good.
The problem is when calls are not processed on Asterisk A, but sent to
Asterisk B for further processing. The dial command I used on Asterisk
A to send calls to AsterisB is the following:
exten => s,n,Dial(SIP/AsteriskB/123,,f(""
<4445556666>)u(prohib_not_screened))
Again, so far so good. But, on Asterisk B in the appropriate context,
on extension 123, my first command is a Verbose to show Callerid(all)
and the received called id is shown as “Anonymous <anonymous>” with
CALLERID presence still “prohib_not_screened”. I would like Asterisk B
to receive the actual callerid (“ <4445556666>”) along with the
appropriate CallerID presence value (which is correct already).
Basically I want to “pass forward” both CALLERID and CALLERIDPRES
exactly as received on AteriskA to AsteriskB so that AsteriskB gets
the exact same info AsteriskA had in the first place.
How do I accomplish this?
Michael
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