[Asterisk-Users] callerid international-format

[Florian Overkamp]

Florian Meister wrote:
> Hi,
> 
> Is it possible to send international format (+435572999888) with asterisk. I 
> have the following problem:
> 
> When I set the calleridnum to the format above, the telephone (grandstream ata 
> with a siemens gigaset) does not display the "+". So I send it now with "00" 
> instead of the "+" for the international prefix, but it would be nice if it 
> would possible to make the "+"-thing work.

You could try messing with the type of callerid the ATA is sending. In 
DTMF you cannot send a '+' symbol, but maybe in Bellcore it can work ?

(For the record: I doubt that this is possible, but feel free to try)

Florian