[Asterisk-Users] Grandstream CallerID

[Wilson Pickett]

> Is it possible to send the incoming PSTN caller ID to a Grandstream Budge
> Tone-100 SIP phone?  I've configured the extensions.conf file and the log is

As Eric notes, the BT100 phones won't show letters. If a call comes in
without CID, asterisk sends a string like "Asterisk call" which the BT
will try to display as some giberish so I have setcallerid to "000"
when this happens. I'd recommend using setcallerid(1234567890) (or any
number) to test the phone, which should display that. If callerid does
come in from PSTN, it should just make through as he said.