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

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

Thanks for all your comments. 

I close this thread here,
cause now I am in direct contact with the company who manufactures the analogue modems.
And they offered me to debug their CallerID function with an Cisco SPA112.

>> Am 20.04.2022 um 21:24 schrieb Michael Knill <mic...@ip...>:
>> 
>> 
>> Ah I understand now.
>> So do you know what the modem is expecting from a CLIP perspective or is this what you are trying to find?
> 
> Exactly, this is what I am trying to find. CLIP works for me with an old analog DECT phone with 2 of the multiple variations. So the SPA112 are working in general.
> 
>> What is the interface from the modem to the Emergency Console? Can you build something that connects directly to the console?
> 
> No, I don‘t have access, it is a custom product from a company here in Germany, who are only producing elevation communication equipment (but it seems only analog).
> 
>> It certainly seems like something that needs to be updated.
>> 
>> Regards
>> Michael Knill
>> 
>> From: Michael Keuter <li...@mk...>
>> Reply to: AstLinux List <ast...@li...>
>> Date: Wednesday, 20 April 2022 at 9:47 pm
>> To: AstLinux List <ast...@li...>
>> Subject: Re: [Astlinux-users] Analogue CLIP (CallerID)
>> 
>> 
>> 
>> 
>> Am 20.04.2022 um 01:36 schrieb Michael Knill <mic...@ip...>:
>> 
>> Hi Michael
>> 
>> I'm a little confused here. I was assuming this:
>> elevator -> PSTN -> SPA112 -> Asterisk
>> 
>> elevator -> PSTN -> Asterisk (via Voip to PSTN)) -> SPA112 -> Modem -> Emergency Support console (special construction modem with "handset")
>> 
>> Update: I could simulate the internal part with an 20 year old Siemens analogue DECT phone at the SPA112.
>> CallerID (CLIP) works fine after the first ring with "Bellcore (bell-202 or v.23)", "ETSI FSK (bell-202 or v.23)" and "ETSI FSK with PR (UK) (bell-202 + v.23)". Even the CallerID name is shown.
>> 
>> When I set to e.g. "DTMF Denmark" the phone shows only "External Call".
>> 
>> 
>> What am I missing?
>> 
>> Regards
>> Michael Knill
>> 
>> From: Michael Keuter <li...@mk...>
>> Reply to: AstLinux List <ast...@li...>
>> Date: Wednesday, 20 April 2022 at 9:20 am
>> To: AstLinux List <ast...@li...>
>> Subject: Re: [Astlinux-users] Analogue CLIP (CallerID)
>> 
>> 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):
>> 
>> <image001.png><image002.png>
>> 
>> <image003.png><image004.png>
>> 
>> 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

Michael

http://www.mksolutions.info