[asterisk-bugs] [JIRA] (ASTERISK-27848) rtp: DTMF Breaks With telephony-event/16000
Asterisk Team (JIRA)
noreply at issues.asterisk.org
Tue Jun 5 14:17:55 CDT 2018
[ https://issues.asterisk.org/jira/browse/ASTERISK-27848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Asterisk Team updated ASTERISK-27848:
-------------------------------------
Status: Waiting for Feedback (was: Waiting for Feedback)
> rtp: DTMF Breaks With telephony-event/16000
> -------------------------------------------
>
> Key: ASTERISK-27848
> URL: https://issues.asterisk.org/jira/browse/ASTERISK-27848
> Project: Asterisk
> Issue Type: Bug
> Security Level: None
> Components: Resources/res_rtp_asterisk
> Affects Versions: 15.4.0
> Environment: CentOS 7 based FreePBX/SNG 7 Distro running on a KVM based virtual machine
> Linphone Android and Linphone Windows softphones
> Reporter: Dominic
> Assignee: Asterisk Team
> Severity: Minor
> Labels: patch, pjsip
> Attachments: ASTERISK-27848.diff
>
>
> This is my first issue, so apologies if I didn't fill everything out quite right.
> I've been running into an issue where RFC4733 DTMF fails (the other side of the call doesn't recognize digits are pressed) when high frequency codecs are offered in the initial SIP INVITE.
> If I enable a codec in my Linphone settings that uses a frequency greater than 8000 Hz (e.g. speex, opus, etc.) even if that codec is not negotiated, DTMF fails.
> Apparently, Asterisk doesn't support {{telephone-event/16000}}, but simply having that codec present in the INVITE SDP shouldn't prevent {{telephone-event/8000}} from working.
> Below are some server logs of both a successful and a failed call. The only change made between the two calls is that in the failed call {{speex/16000}} is offered in the initial INVITE. In both cases, as digits are pressed, they arrive on the agreed channel for {{telephone-event/8000}}, but they are not recognized as RFC2833 on the failed call.
> This may have something to do with the channel numbers. In the successful call, {{telephone-event/8000}} is assigned the "standard" 101 channel while in the failed call it is assigned 98. Looking at the Asterisk code base, I saw [this line|https://github.com/asterisk/asterisk/blob/15.4.0/main/rtp_engine.c#L3366] which seems like it could be related, but I don't know the code well enough to know what's going on there.
> h1. Successful Call (DTMF worked)
> h2. Initial INVITE from Caller
> {noformat}
> [2018-04-06 14:31:55] VERBOSE[6791] res_pjsip_logger.c: <--- Received SIP request (1322 bytes) from TLS:192.168.1.10:36623 --->
> INVITE sip:1101 at freepbx.server.com SIP/2.0
> Via: SIP/2.0/TLS 192.168.1.10:36623;branch=z9hG4bK.x4Iowo7HJ;rport
> From: <sip:1004 at freepbx.server.com>;tag=iQuPf4GBP
> To: sip:1101 at freepbx.server.com
> CSeq: 20 INVITE
> Call-ID: Al9P0yUtod
> Max-Forwards: 70
> Supported: replaces, outbound
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO, UPDATE
> Content-Type: application/sdp
> Content-Length: 702
> Contact: <sip:1004 at 192.168.1.10:36623;transport=tls>;+sip.instance="<urn:uuid:5a3150e3-5e90-4984-b12b-2cfc5ad4a15e>"
> User-Agent: LinphoneAndroid/3.3.2.2-TG (belle-sip/1.6.3)
> v=0
> o=1004 3003 1159 IN IP4 192.168.1.10
> s=Talk
> c=IN IP4 192.168.1.10
> t=0 0
> a=rtcp-xr:rcvr-rtt=all:10000 stat-summary=loss,dup,jitt,TTL voip-metrics
> m=audio 7076 RTP/SAVP 96 0 8 18 101
> a=rtpmap:96 speex/8000
> a=fmtp:96 vbr=on
> a=fmtp:18 annexb=yes
> a=rtpmap:101 telephone-event/8000
> a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:Yl6b4HKe7GanfgObzlZmCS3TX1iZLmOMW57JJjJ2
> a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:gkfj8LHaB1PZyV8LLdGVDnMu88YT1FxZPwcgcwL8
> a=crypto:3 AES_256_CM_HMAC_SHA1_80 inline:kE1BFsEgifzQw9LAyyD80aaIMeFrOlwf1vA4T44PsKS7tlEAHLF552MJ5uGPKg==
> a=crypto:4 AES_256_CM_HMAC_SHA1_32 inline:rXGPaoCCvjC0KuwA0aG3HgmHFCGMd5qGeTfGZKYf2WPxhHWKbRYc7MVlrYOsug==
> a=rtcp-fb:* ccm tmmbr
> {noformat}
> h2. Notify Caller of Answer
> {noformat}
> [2018-04-06 14:31:56] VERBOSE[32423] res_pjsip_logger.c: <--- Transmitting SIP response (1040 bytes) to TLS:192.168.1.10:36623 --->
> SIP/2.0 200 OK
> Via: SIP/2.0/TLS 192.168.1.10:36623;rport=36623;received=192.168.1.10;branch=z9hG4bK.g2CzEVYhu
> Call-ID: Al9P0yUtod
> From: <sip:1004 at freepbx.server.com>;tag=iQuPf4GBP
> To: <sip:1101 at freepbx.server.com>;tag=30828a9d-cdbf-479a-9016-b48215b31e8c
> CSeq: 21 INVITE
> Server: FPBX-14.0.2.10(15.2.2)
> Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REGISTER, MESSAGE, REFER
> Contact: <sip:192.168.1.5:5061;transport=TLS>
> Supported: 100rel, timer, replaces, norefersub
> P-Asserted-Identity: "User 1" <sip:1101 at freepbx.server.com>
> Content-Type: application/sdp
> Content-Length: 387
> v=0
> o=- 3003 1161 IN IP4 192.168.1.5
> s=Asterisk
> c=IN IP4 192.168.1.5
> t=0 0
> m=audio 12880 RTP/SAVP 0 8 18 101
> a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:k7d54Fzm1HMFS2WU3xr0zyepyrShTeTIqa03aofs
> a=rtpmap:0 PCMU/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:18 G729/8000
> a=fmtp:18 annexb=no
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> a=ptime:20
> a=maxptime:150
> a=sendrecv
> {noformat}
> h2. RTP Stream
> {noformat}
> [2018-04-06 14:31:57] VERBOSE[23733][C-000000a6] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 004392, ts 565097400, len 000170)
> [2018-04-06 14:31:57] VERBOSE[23736][C-000000a6] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000005, ts 565097565, len 000160)
> [2018-04-06 14:31:57] VERBOSE[23733][C-000000a6] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 004393, ts 565097560, len 000170)
> [2018-04-06 14:31:57] VERBOSE[23736][C-000000a6] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000006, ts 565097725, len 000160)
> [2018-04-06 14:31:57] VERBOSE[23733][C-000000a6] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 004394, ts 565097720, len 000170)
> [2018-04-06 14:31:57] VERBOSE[23736][C-000000a6] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000007, ts 565097885, len 000160)
> .....
> [2018-04-06 14:31:59] VERBOSE[23733][C-000000a6] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 101, seq 000092, ts 602617351, len 000004)
> [2018-04-06 14:31:59] VERBOSE[23733][C-000000a6] res_rtp_asterisk.c: Got RTP RFC2833 from 192.168.1.10:7076 (type 101, seq 000092, ts 602617351, len 000004, mark 1, event 00000008, end 0, duration 00160)
> [2018-04-06 14:31:59] DEBUG[23733][C-000000a6] res_rtp_asterisk.c: - RTP 2833 Event: 00000008 (len = 4)
> [2018-04-06 14:31:59] VERBOSE[23736][C-000000a6] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000110, ts 565114365, len 000160)
> [2018-04-06 14:31:59] VERBOSE[23733][C-000000a6] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 004498, ts 565114360, len 000170)
> [2018-04-06 14:31:59] VERBOSE[23733][C-000000a6] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 101, seq 000093, ts 602617351, len 000004)
> [2018-04-06 14:31:59] VERBOSE[23733][C-000000a6] res_rtp_asterisk.c: Got RTP RFC2833 from 192.168.1.10:7076 (type 101, seq 000093, ts 602617351, len 000004, mark 0, event 00000008, end 0, duration 00320)
> [2018-04-06 14:31:59] DEBUG[23733][C-000000a6] res_rtp_asterisk.c: - RTP 2833 Event: 00000008 (len = 4)
> [2018-04-06 14:31:59] VERBOSE[23736][C-000000a6] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000111, ts 565114525, len 000160)
> [2018-04-06 14:31:59] VERBOSE[23733][C-000000a6] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 004499, ts 565114520, len 000170)
> [2018-04-06 14:31:59] VERBOSE[23733][C-000000a6] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 101, seq 000094, ts 602617351, len 000004)
> [2018-04-06 14:31:59] VERBOSE[23733][C-000000a6] res_rtp_asterisk.c: Got RTP RFC2833 from 192.168.1.10:7076 (type 101, seq 000094, ts 602617351, len 000004, mark 0, event 00000008, end 0, duration 00480)
> [2018-04-06 14:31:59] DEBUG[23733][C-000000a6] res_rtp_asterisk.c: - RTP 2833 Event: 00000008 (len = 4)
> [2018-04-06 14:31:59] VERBOSE[23736][C-000000a6] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000112, ts 565114685, len 000160)
> [2018-04-06 14:31:59] VERBOSE[23733][C-000000a6] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 004500, ts 565114680, len 000170)
> [2018-04-06 14:31:59] VERBOSE[23733][C-000000a6] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 101, seq 000095, ts 602617351, len 000004)
> [2018-04-06 14:31:59] VERBOSE[23733][C-000000a6] res_rtp_asterisk.c: Got RTP RFC2833 from 192.168.1.10:7076 (type 101, seq 000095, ts 602617351, len 000004, mark 0, event 00000008, end 0, duration 00640)
> [2018-04-06 14:31:59] DEBUG[23733][C-000000a6] res_rtp_asterisk.c: - RTP 2833 Event: 00000008 (len = 4)
> [2018-04-06 14:31:59] VERBOSE[23736][C-000000a6] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000113, ts 565114845, len 000160)
> [2018-04-06 14:31:59] VERBOSE[23733][C-000000a6] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 004501, ts 565114840, len 000170)
> {noformat}
> h1. Failed Call (DTMF didn't work)
> h2. Initial INVITE from Caller
> {noformat}
> [2018-04-06 14:32:19] VERBOSE[6791] res_pjsip_logger.c: <--- Received SIP request (1406 bytes) from TLS:192.168.1.10:36623 --->
> INVITE sip:1101 at freepbx.server.com SIP/2.0
> Via: SIP/2.0/TLS 192.168.1.10:36623;branch=z9hG4bK.09oNseORt;rport
> From: <sip:1004 at freepbx.server.com>;tag=0bVmil7L7
> To: sip:1101 at freepbx.server.com
> CSeq: 20 INVITE
> Call-ID: giaAPEO5oz
> Max-Forwards: 70
> Supported: replaces, outbound
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO, UPDATE
> Content-Type: application/sdp
> Content-Length: 786
> Contact: <sip:1004 at 192.168.1.10:36623;transport=tls>;+sip.instance="<urn:uuid:5a3150e3-5e90-4984-b12b-2cfc5ad4a15e>"
> User-Agent: LinphoneAndroid/3.3.2.2-TG (belle-sip/1.6.3)
> v=0
> o=1004 1441 2486 IN IP4 192.168.1.10
> s=Talk
> c=IN IP4 192.168.1.10
> t=0 0
> a=rtcp-xr:rcvr-rtt=all:10000 stat-summary=loss,dup,jitt,TTL voip-metrics
> m=audio 7076 RTP/SAVP 96 97 0 8 18 101 98
> a=rtpmap:96 speex/16000
> a=fmtp:96 vbr=on
> a=rtpmap:97 speex/8000
> a=fmtp:97 vbr=on
> a=fmtp:18 annexb=yes
> a=rtpmap:101 telephone-event/16000
> a=rtpmap:98 telephone-event/8000
> a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:SlMxT019CunqOGrAXwXreRhm6kJ9dw8X3Gh6/LhV
> a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:pWWTCwxlIGi20WcvZCAJC0Jo29dIrJ/9VmDuk0Ig
> a=crypto:3 AES_256_CM_HMAC_SHA1_80 inline:PkYK/oG2F8U53pE6Y/1gu05TqqxgqsfFmEegunUOyMsTpNPA8gAEE7QXULB16Q==
> a=crypto:4 AES_256_CM_HMAC_SHA1_32 inline:US4TIkQ3sl1XK28C7LZPBMGzJBaCGJqxMVt3sg2PBZFIcwv3KomV8ZWZ3DyvRw==
> a=rtcp-fb:* ccm tmmbr
> {noformat}
> h2. Notify Caller of Answer
> {noformat}
> [2018-04-06 14:32:21] VERBOSE[30966] res_pjsip_logger.c: <--- Transmitting SIP response (1037 bytes) to TLS:192.168.1.10:36623 --->
> SIP/2.0 200 OK
> Via: SIP/2.0/TLS 192.168.1.10:36623;rport=36623;received=192.168.1.10;branch=z9hG4bK.MANUueCbB
> Call-ID: giaAPEO5oz
> From: <sip:1004 at freepbx.server.com>;tag=0bVmil7L7
> To: <sip:1101 at freepbx.server.com>;tag=1add4390-017a-4856-9973-9946756bba26
> CSeq: 21 INVITE
> Server: FPBX-14.0.2.10(15.2.2)
> Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REGISTER, MESSAGE, REFER
> Contact: <sip:192.168.1.5:5061;transport=TLS>
> Supported: 100rel, timer, replaces, norefersub
> P-Asserted-Identity: "User 1" <sip:1101 at freepbx.server.com>
> Content-Type: application/sdp
> Content-Length: 384
> v=0
> o=- 1441 2488 IN IP4 192.168.1.5
> s=Asterisk
> c=IN IP4 192.168.1.5
> t=0 0
> m=audio 16570 RTP/SAVP 0 8 18 98
> a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:oVH9HZ2j56kvQFRcwOdlEi550fdfu7fBr9RhTHRN
> a=rtpmap:0 PCMU/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:18 G729/8000
> a=fmtp:18 annexb=no
> a=ptime:20
> a=maxptime:150
> a=sendrecv
> a=rtpmap:98 telephone-event/8000
> a=fmtp:98 0-16
> {noformat}
> h2. RTP Stream
> {noformat}
> [2018-04-06 14:32:21] VERBOSE[23851][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000004, ts 3208992109, len 000160)
> [2018-04-06 14:32:21] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 019276, ts 3208992104, len 000170)
> [2018-04-06 14:32:21] VERBOSE[23851][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000005, ts 3208992269, len 000160)
> [2018-04-06 14:32:21] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 019277, ts 3208992264, len 000170)
> [2018-04-06 14:32:21] VERBOSE[23851][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000006, ts 3208992429, len 000160)
> [2018-04-06 14:32:21] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 019278, ts 3208992424, len 000170)
> [2018-04-06 14:32:21] VERBOSE[23851][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000007, ts 3208992589, len 000160)
> [2018-04-06 14:32:21] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 019279, ts 3208992584, len 000170)
> [2018-04-06 14:32:21] VERBOSE[23851][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000008, ts 3208992749, len 000160)
> [2018-04-06 14:32:21] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 019280, ts 3208992744, len 000170)
> .......
> [2018-04-06 14:32:23] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 98, seq 000078, ts 4113917409, len 000004)
> [2018-04-06 14:32:23] VERBOSE[23851][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000096, ts 3209006829, len 000160)
> [2018-04-06 14:32:23] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 019368, ts 3209006824, len 000170)
> [2018-04-06 14:32:23] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 98, seq 000079, ts 4113917409, len 000004)
> [2018-04-06 14:32:23] VERBOSE[23851][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000097, ts 3209006989, len 000160)
> [2018-04-06 14:32:23] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 019369, ts 3209006984, len 000170)
> [2018-04-06 14:32:23] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 98, seq 000080, ts 4113917409, len 000004)
> [2018-04-06 14:32:23] VERBOSE[23851][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000098, ts 3209007149, len 000160)
> [2018-04-06 14:32:23] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 019370, ts 3209007144, len 000170)
> [2018-04-06 14:32:23] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 98, seq 000081, ts 4113917409, len 000004)
> [2018-04-06 14:32:23] VERBOSE[23851][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000099, ts 3209007309, len 000160)
> [2018-04-06 14:32:23] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 019371, ts 3209007304, len 000170)
> [2018-04-06 14:32:23] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 98, seq 000082, ts 4113917409, len 000004)
> [2018-04-06 14:32:23] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 98, seq 000082, ts 4113917409, len 000014)
> [2018-04-06 14:32:23] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 98, seq 000082, ts 4113917409, len 000014)
> ........
> [2018-04-06 14:32:24] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 98, seq 000124, ts 4113924369, len 000004)
> [2018-04-06 14:32:24] VERBOSE[23851][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000139, ts 3209013709, len 000160)
> [2018-04-06 14:32:24] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 019411, ts 3209013704, len 000170)
> [2018-04-06 14:32:24] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 98, seq 000125, ts 4113924369, len 000004)
> [2018-04-06 14:32:24] VERBOSE[23851][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000140, ts 3209013869, len 000160)
> [2018-04-06 14:32:24] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 019412, ts 3209013864, len 000170)
> [2018-04-06 14:32:24] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 98, seq 000126, ts 4113924369, len 000004)
> [2018-04-06 14:32:24] VERBOSE[23851][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000141, ts 3209014029, len 000160)
> [2018-04-06 14:32:24] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 019413, ts 3209014024, len 000170)
> [2018-04-06 14:32:24] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 98, seq 000127, ts 4113924369, len 000004)
> [2018-04-06 14:32:24] VERBOSE[23851][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.20:48038 (type 00, seq 000142, ts 3209014189, len 000160)
> [2018-04-06 14:32:24] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Sent RTP packet to 192.168.1.10:7076 (type 00, seq 019414, ts 3209014184, len 000170)
> [2018-04-06 14:32:24] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 98, seq 000128, ts 4113924369, len 000004)
> [2018-04-06 14:32:24] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 98, seq 000128, ts 4113924369, len 000014)
> [2018-04-06 14:32:24] VERBOSE[23850][C-000000a7] res_rtp_asterisk.c: Got RTP packet from 192.168.1.10:7076 (type 98, seq 000128, ts 4113924369, len 000014)
> {noformat}
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