[asterisk-users] Outbound caller ID ignored

Richard Mudgett rmudgett at digium.com
Sun Jan 13 13:13:09 CST 2019

On Sun, Jan 13, 2019 at 9:45 AM Mitch Claborn <mitch_ml at claborn.net> wrote:

> Setting the outbound caller ID works fine on our PRI (T1) lines, but
> does not work on our local POTS lines. No errors in the logs, the new
> caller ID just seems to be ignored. Should I expect it to work on the
> analog lines?
> Dial plan:
> same =>n,Set(CALLERID(all)=1112223333)
> same =>n(dialit),Dial(DAHDI/50/12223334444,30)
> Channels:
> signalling=fxs_ks
> callerid=asreceived
> group=20,21
> context=from-pstn
> faxdetect=incoming
> faxdetect_timeout=0
> faxbuffers => 12,half
> channel => 49-53
It will not work.  This is a limitation of analog lines.  In this case your
Asterisk box is
pretending to be a POTS phone.  Phones do not tell the PSTN who they are as
the PSTN
already knows who they are.

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