[Asterisk-Users] Submitting ISDN-MSN from a SIP-Phone

[Armin Schindler]

On Thu, 22 Sep 2005 asterisk-users at freinet.de wrote:
> Hello,
> 
> i wonder why i didn't find a solution for this problem yet, because it
> seems very common:
> 
> I have an asterisk server with an AVM (Fritz) ISDN-Card (BRI), and some SIP-Softphones which i can call from outside by calling the phonenumber of the
> Asterisk-Server and then dialing the number of the SIP-Phone.
> If I make a call from a SIP-Phone into PSTN, only the MSN of the asterisk-server
> is submitted, without the extension of the SIP-Phone.
> I tried to give Asterisk several MSNs in "capi.conf" and to dial in
> "extension.conf" like the following:
> exten => _0.,1,Dial(CAPI/@<ASTERISK-MSN><SIP-EXTENSION>:${EXTEN})
> This was just for testing, so i used a fix <SIP-EXTENSION>, but just
> the <ASTERISK-MSN> was submitted.
> 
> Is there a way to submit the whole number ? Is it generally possible to do
> this with a BRI-Card ?

No, not with a PtMP (MSN based) connection. Only the MSNs given by your 
provider are possible. If you have more MSNs, you can use one MSN per 
SIP-phone.

What you want to do, can be done with a PtP (DID) connection. PtP provides a 
base number like 1234 and extensions, e.g. 1234-11.

Armin