Hi Tam, While it’s true that Ellis/Homestead-prov don’t support PSI’s in their standard implementation (Clearwater requires an external HSS to support this), it is possible to implement a PSI as a special type of IMPU:
1. Creating an IMPU that will act as the PSI (you can pick a specific number for the IMPU if you like by using the homestead provisioning API directly or using the specific number provisioning API on Ellis, documented at https://github.com/Metaswitch/ellis/blob/dev/docs/api.md#provisioning-specific-numbers) 2. Configuring your service’s application server(s) to be triggered for that IMPU in session case TERMINATING_UNREGISTERED 3. Don’t register any UEs with that IMPU (feel free to forget the SIP password entirely if you like ☺) Now this IMPU will invoke your Application Server when it is called (as if the IMPU were a standard PSI). Hope this helps, Andy From: Clearwater [mailto:[email protected]] On Behalf Of Eleanor Merry Sent: 07 October 2015 11:55 To: atva angel; Clearwater Mail Subject: Re: [Clearwater] Regarding to IMPU and PSI on Clearwater Hi Tam, We don’t support provisioning Tel URIs through Ellis/Homestead-prov. If you use an external HSS (see http://clearwater.readthedocs.org/en/latest/External_HSS_Integration/index.html for details) then you can create Tel URI IMPUs in that. Clearwater will deal correctly with Tel URIs if it receives requests using them. We also don’t support provisioning PSIs through Ellis/Homestead-prov. Ellie From: Clearwater [mailto:[email protected]] On Behalf Of atva angel Sent: 05 October 2015 19:19 To: Clearwater Mail Subject: Re: [Clearwater] Regarding to IMPU and PSI on Clearwater Hi all, Could you please help to take a look and share your advice? Thanks, Tam On Sunday, September 13, 2015 10:47 PM, atva angel <[email protected]<mailto:[email protected]>> wrote: Hi community, Could you please help to clarify some cases as below? 1. As normal, I can define the IMPU on Ellis with SIP-URI format, i.e: IMS user 12345678 has IMPI: [email protected]<mailto:[email protected]>, IMPU - sip:[email protected]. I wonder if Ellis/Clearwater could support TEL-URI format for the IMPU of IMS user or not, i.e: tel:+112345678 2. I can not find where to define the IMS PSI on Ellis/Clearwater. Could you please to share your advice for this case? Thanks, Tam
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