[kamailio/kamailio] How to get $fU and $tU from MSRP module? (#2857) - sr-dev

16 Sep 2021

Hello!
I want to get $fU and $tU from event_route[msrp:frame-in] in order to filter out MSRP
messages sent by a specific sender and received by a specific receiver, I know I can get
message content from $msrp(buf), the message content is like this:

...
  MSRP 7a57f552155926c0 SEND
 To-Path: msrp://172.18.0.14:6060/9d8da4a34dc2102959e7;tcp
msrp://172.18.0.12:5060/msrp-6142fc2b-84-1;tcp
msrp://172.18.0.2:34862/2a67b54ae0750b7d82aa;tcp
 From-Path: msrp://172.18.0.14:6060/c71ae3675e114d08216b;tcp
msrp://172.18.0.12:5060/msrp-6142fc2b-83-1;tcp
msrp://172.18.0.2:34858/8baea7c52ba8755322fd;tcp
 Byte-Range: 1-197/197
 Failure-Report: yes
 Success-Report: yes
 Message-ID: c792c94039b8a969
 Content-Type: message/cpim

 From: <sip:alice@ims.mnc001.mcc001.3gppnetwork.org>
 To: <sip:bob@ims.mnc001.mcc001.3gppnetwork.org>
 DateTime: 2021-09-16T09:23:49.339805+00:00

 MIME-Version: 1.0
 Content-Type: text/plain

 hello
 -------7a57f552155926c0$

I want to get alice and bob from the content below：
...
  From:
<sip:alice@ims.mnc001.mcc001.3gppnetwork.org>
 To: <sip:bob@ims.mnc001.mcc001.3gppnetwork.org>
 DateTime: 2021-09-16T09:23:49.339805+00:00

someone can suggest some method. In other route like request_route we can use $fU and $tU
to access them.

Regrads
HANG LI

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