[SR-Users] How to make BLF work

[Vitaliy Aleksandrov]

You didn't receive any NOTIFY requests because you didn't have a PUA 
client. rfc3903 describes what a PUA client is.

To make BLF work you can try to use the next modules:
1. dialog - to enable dialog awareness
2. pua + pua_dialoginfo - to enable a PUA client based on active dialogs 
information provided by the "dialog" module
3. presence + presence_dialoginfo - to handle subscriptions and send 
notifications to phones

> Hi list,
>
> I've been trying to make my Yealink phone to give BLF indications but 
> I haven't been able to achieve this successfully yet so I need some 
> expert advise here.
> My Yealink phone, as soon as it registers to Asterisk, gives me BLF 
> lights. The same phone registering to Kamailio sends SUBSCRIBE and 
> nothing happens.
>
> The Presence Handling is enabled in configurations and yet no 
> dialog-info+xml NOTIFY is received.
>
> Please help.
>
> Best Regards,
> Sammy Go.
>
>
>
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