<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><p style="box-sizing: border-box; margin-bottom: 16px; color: rgb(49, 59, 69); font-family: -apple-system, system-ui, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; font-size: 14px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; margin-top: 0px !important;" class="">Hello!<br style="box-sizing: border-box;" class="">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:</p><blockquote style="box-sizing: border-box; margin: 0px 0px 16px; padding: 0px 1em; color: var(--color-fg-muted); border-left: 0.25em solid var(--color-border-default); font-family: -apple-system, system-ui, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; font-size: 14px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); text-decoration-thickness: initial;" class=""><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 16px;" class="">MSRP 7a57f552155926c0 SEND<br style="box-sizing: border-box;" class="">To-Path: <a href="msrp://172.18.0.14:6060/9d8da4a34dc2102959e7;tcp" class="">msrp://172.18.0.14:6060/9d8da4a34dc2102959e7;tcp</a> <a href="msrp://172.18.0.12:5060/msrp-6142fc2b-84-1;tcp" class="">msrp://172.18.0.12:5060/msrp-6142fc2b-84-1;tcp</a> <a href="msrp://172.18.0.2:34862/2a67b54ae0750b7d82aa;tcp" class="">msrp://172.18.0.2:34862/2a67b54ae0750b7d82aa;tcp</a><br style="box-sizing: border-box;" class="">From-Path: <a href="msrp://172.18.0.14:6060/c71ae3675e114d08216b;tcp" class="">msrp://172.18.0.14:6060/c71ae3675e114d08216b;tcp</a> <a href="msrp://172.18.0.12:5060/msrp-6142fc2b-83-1;tcp" class="">msrp://172.18.0.12:5060/msrp-6142fc2b-83-1;tcp</a> <a href="msrp://172.18.0.2:34858/8baea7c52ba8755322fd;tcp" class="">msrp://172.18.0.2:34858/8baea7c52ba8755322fd;tcp</a><br style="box-sizing: border-box;" class="">Byte-Range: 1-197/197<br style="box-sizing: border-box;" class="">Failure-Report: yes<br style="box-sizing: border-box;" class="">Success-Report: yes<br style="box-sizing: border-box;" class="">Message-ID: c792c94039b8a969<br style="box-sizing: border-box;" class="">Content-Type: message/cpim</p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 16px;" class="">From: <a href="sip:alice@ims.mnc001.mcc001.3gppnetwork.org" class="">sip:alice@ims.mnc001.mcc001.3gppnetwork.org</a><br style="box-sizing: border-box;" class="">To: <a href="sip:bob@ims.mnc001.mcc001.3gppnetwork.org" class="">sip:bob@ims.mnc001.mcc001.3gppnetwork.org</a><br style="box-sizing: border-box;" class="">DateTime: 2021-09-16T09:23:49.339805+00:00</p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 16px;" class="">MIME-Version: 1.0<br style="box-sizing: border-box;" class="">Content-Type: text/plain</p><div style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px;" class="">hello<br style="box-sizing: border-box;" class="">-------7a57f552155926c0$</div></blockquote><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 16px; color: rgb(49, 59, 69); font-family: -apple-system, system-ui, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; font-size: 14px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); text-decoration-thickness: initial;" class="">I want to get alice and bob from the content below：</p><blockquote style="box-sizing: border-box; margin: 0px 0px 16px; padding: 0px 1em; color: var(--color-fg-muted); border-left: 0.25em solid var(--color-border-default); font-family: -apple-system, system-ui, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; font-size: 14px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); text-decoration-thickness: initial;" class=""><div style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px;" class="">From: <a href="sip:alice@ims.mnc001.mcc001.3gppnetwork.org" class="">sip:alice@ims.mnc001.mcc001.3gppnetwork.org</a><br style="box-sizing: border-box;" class="">To: <a href="sip:bob@ims.mnc001.mcc001.3gppnetwork.org" class="">sip:bob@ims.mnc001.mcc001.3gppnetwork.org</a><br style="box-sizing: border-box;" class="">DateTime: 2021-09-16T09:23:49.339805+00:00</div></blockquote><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 16px; color: rgb(49, 59, 69); font-family: -apple-system, system-ui, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; font-size: 14px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); text-decoration-thickness: initial;" class="">someone can suggest some method. In other route like request_route we can use $fU and $tU to access them.</p><div style="box-sizing: border-box; margin-top: 0px; color: rgb(49, 59, 69); font-family: -apple-system, system-ui, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; font-size: 14px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; margin-bottom: 0px !important;" class="">Regrads<br style="box-sizing: border-box;" class="">HANG LI</div></body></html>