Re: [Astlinux-users] Analogue CLIP (CallerID)

[Michael K. <li...@mk...>]

Hi Michael,

the „potential“ customer has these modems for a long time, and there are no alternatives (like SIP) at the market. 

And sure, in SIP I see the correct CallerID, but the modem don‘t see the „right“ CallerID generated by the ATA.

Sent from a mobile device.

Michael Keuter

> Am 20.04.2022 um 00:58 schrieb Michael Knill <mic...@ip...>:
> 
> 
> Hi Michael
>  
> Just wondering why you need analogue modems to receive the calls from the elevators?
> Have you done a SIP Debug of the traffic coming from the SPA112’s to see if the number is anywhere in the SIP Invite?
> Do you know the particular standard for this in your country and is this supported by the SPA112’s?
>  
> I have never used analogue FXO for anything sorry.
>  
> Regards
> Michael Knill
>  
> From: Michael Keuter <li...@mk...>
> Reply to: AstLinux List <ast...@li...>
> Date: Wednesday, 20 April 2022 at 2:23 am
> To: AstLinux List <ast...@li...>
> Subject: [Astlinux-users] Analogue CLIP (CallerID)
>  
> Hi list,
>  
> I am trying to install an Asterisk PBX for an elevator emergency central in Germany.
> The callees are 6 analogue modems who receive calls from the elevators.
>  
> The main issue is that the modems need to identify the elevator via a so called analogue CLIP (Calling Line Identification Presentation) where the calling number is shown to the receiving modem.
> It is not the Asterisk CALLERID(num) but a special "message" which is transfered for analogue phones between the first 2 ringings (but I think this is generated from the CALLERID(num)). 
> There are several different methods for that, that can be set in the ATA (Cisco SPA112, latest EOL firmware):
>  
> 
>  
> 
>  
> I tried every possible combination of "Caller ID Method" and "Caller ID FSK Standard", but without success.
>  
> Has anybody on the list made experiences with analogue CLIP?
> 
> Michael
> 
> http://www.mksolutions.info
> 
> 
>  
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