[asterisk-dev] [RTP] Detecting that a packet is SRTP

[Yousf Ateya]

In res_rtp_asterisk.c, to detect that a packet is SRTP (not RTP), this
check is done (link to gitweb
<http://git.asterisk.org/gitweb/?p=asterisk/asterisk.git;a=blob;f=res/res_rtp_asterisk.c;h=62601dcadaaf011a692a247d66ec590b3b47edfa;hb=refs/heads/master#l2019>
):

if ((*in >= 20) && (*in <= 64)) {

Although in the Datagram Transport Layer Security (DTLS) Extension to
Establish Keys for the Secure Real-time Transport Protocol (SRTP), section
5.1.2 <https://tools.ietf.org/html/rfc5764#section-5.1.2> it is stated that
it should be between 20 and 63 (not 64).

Is this a bug?

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