[Freeswitch-users] Received an unsupported RTCP packet version 3

[Madovsky]

better to publish it on jira yes, thanks Abdullah

On 1/16/2018 7:04 AM, Vallimamod Abdullah wrote:
> Hi,
>
> Check the 2 first bits of the raw rtcp packet, it is where the version is set (http://www.networksorcery.com/enp/protocol/rtcp.htm).
> In your case, it looks that the 2 bits are set, that's why you are getting 3. Are you sure it's the same packet for which you are seeing version = 2 in wireshark?
>
> It would be really interesting to check the version on each rtcp packet from the call to validate that some are indeed incorrect.
>
> But if you are willing to accept the bad version, you can apply the following patch (beware, it's a non tested hack):
>
> diff --git a/src/switch_rtp.c b/src/switch_rtp.c
> index 0ae3b641f0..fe975aca32 100644
> --- a/src/switch_rtp.c
> +++ b/src/switch_rtp.c
> @@ -6586,8 +6586,8 @@ static switch_status_t process_rtcp_packet(switch_rtp_t *rtp_session, switch_siz
>                          return SWITCH_STATUS_SUCCESS;
>                  } else {
>                          switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session),
> -                                                         SWITCH_LOG_WARNING, "Received an unsupported RTCP packet version %d\n", msg->header.version);
> -                       return SWITCH_STATUS_FALSE;
> +                                                         SWITCH_LOG_WARNING, "Received an unsupported RTCP packet version %d, forcing to 2\n", msg->header.version);
> +                       msg->header.version = 2;
>                  }
>          }
>
>
>
> Best Regards,