On 15.01.19 at 20:27 Joshua C. Colp wrote: > > > On Tue, Jan 15, 2019, at 3:23 PM, Michael Maier wrote: >> Hello! >> >> Deutsche Telekom introduced sips and srtp. I tested it and it works >> partly. Partly means: sips is working - but not srtp. srtp doesn't >> work, because of missing additional >> headers in the REGISTER and INVITE packages (according an enhancement >> of RFC 3329). >> >> >> Example: >> >> UAC Registrar >> | | >> |----(1) REGISTER------------------------------>| >> | Security-Client: sdes-srtp;mediasec | >> | Proxy-Require: mediasec | >> | Require: mediasec | >> | | >> |<---(2) 401------------------------------------| >> | Security-Server: msrp-tls;mediasec | >> | Security-Server: sdes-srtp;mediasec | >> | Security-Server: dtls-srtp;mediasec | >> | | >> |----(3) REGISTER(with Authorization Header)--->| >> | Security-Client: sdes-srtp;mediasec | >> | Proxy-Require: mediasec | >> | Require: mediasec | >> | Security-Verify: msrp-tls;mediasec | >> | Security-Verify: sdes-srtp;mediasec | >> | Security-Verify: dtls-srtp;mediasec | >> | | >> |<---(4) 200 OK---------------------------------| >> | | >> | | >> |----(5) INVITE-------------------------------->| >> | Security-Verify: msrp-tls;mediasec | >> | Security-Verify: sdes-srtp;mediasec | >> | Security-Verify: dtls-srtp;mediasec | >> | a=3ge2ae:requested | >> | a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:EpcgtOdT5qd... >> | | >> |<---(8) 200 OK---------------------------------| >> | a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:lnfakjh2sd1.. >> >> >> >> You can find a complete description here (english language): >> https://www.telekom.de/hilfe/downloads/1tr114.pdf >> The example can be found on page 115. >> >> They need those mediasec parameters because of there compatibility with >> the 3GPP standards >> (http://www.qtc.jp/3GPP/Specs/33328-920.pdf) which would require an >> additional signaling of the media plane security. >> >> >> Is this already implemented or did I miss something else? > > This is not implemented and I know of noone working on such a thing. >
Would you please plan to implement it? Deutsche Telekom is the biggest player in Germany having 19 millions fixed lines and 25 millions mobile customers. Thanks, Michael -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-dev mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-dev
