[asterisk-users] How to handle SIP-Callerid?

[Olle E Johansson]

8 mar 2007 kl. 11.20 skrev Andreas Anderson:

> Hi,
>
> on ISDN there are the numbering plans that indicate if it's an  
> national or an internation number. Is there something similar on  
> SIP? How should i set a callerid to an internation number? complete  
> e164, with, without an intl prefix (ie +, 011, 00 etc)...? How to a  
> national number?
>
The default standard on sip is to use a URI, like  
SIP:gallium123 at hotmail.com

However, if you want to gateway and carry E.164 numbers from the  
PSTN, it depends on the application and your SIP network.
I prefer using full E.164 notation, starting with a plus sign and  
country code, more or less following the specs for the
E.164 part of the tel: URI standard. It creates least issues when  
using a gateway.

/O

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