[Asterisk-Users] Terminating IAX calls in E1 PRI interface - what do I need to be able to send arbitrary caller id to called party ?

[Peter Svensson]

On Sat, 19 Feb 2005, Alistair Cunningham wrote:

> The issue is with the provider of the PRI. They may or may not accept 
> arbitrary callerids on outbound calls. For example, in the UK many 
> providers will only accept callerids that are assigned to the trunk on 
> their end. You should check with your provider.

Usually this is available by special arrangement. See ETS 300 092-1 
paragraph 9.4 which describes how this works in EuroISDN-land. Note that 
it up to the provider to allow this special arrangement. 

Peter