IVR audio quality

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michelerizzo88

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Mar 11, 2019
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Hi, i'm testing an IVR welcome audio, with ".wav 8000Hz" format and if i listen this file in recordings it's ok, but when i check to call from cellular i have a noisy audio. Why? If i check with another voip number the audio is ok.
 
DigitalDaz

DigitalDaz

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Do a siptrace on the calls with sngrep and see what codecs they are using.
 
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michelerizzo88

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This is the INVITE from my phone to ivr. ( I hide phone number and ip address for privacy)

xINVITE sip:gw+e22a8bea-f86f-460e-bf89-bba07315f787@X.Y.W.Z:5080;transport=udp;gw=e22a8bea-f86f-460e-bf89-bba07315f787 SIP/2.0
xVia: SIP/2.0/UDP X.Y.W.Z:5060;branch=z9hG4bK18ceed58;rport
qqqqqqqqqqwqqqqqqqqq qqqqqqqqqqwqqqqqqqqqxMax-Forwards: 70
13:08:44.569887 x INVITE (SDP) x xFrom: <sip:346xxxxxxx4@X.Y.W.Z>;tag=as676ae139
+0.003249 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x xTo: <sip:gw+e22a8bea-f86f-460e-bf89-bba07315f787@X.Y.W.Z:5080;transport=udp;gw=e22a8bea-f86f-460e-bf89-bba07315f787>
13:08:44.573136 x 100 Trying x xContact: <sip:346xxxxxxx4@X.Y.W.Z:5060>
+0.061214 x <qqqqqqqqqqqqqqqqqqqqqqqqqq x xCall-ID: 2d6343ec24877cae2bea834303839508@X.Y.W.Z:5060
13:08:44.634350 x 200 OK (SDP) x xCSeq: 102 INVITE
+0.017500 x <qqqqqqqqqqqqqqqqqqqqqqqqqq x
13:08:44.651850 x ACK x xDate: Mon, 04 May 2020 11:08:44 GMT
+8.326186 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x xAllow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
13:08:52.978036 x BYE x xSupported: replaces, timer
+0.015184 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x xRemote-Party-ID: "346xxxxxxx4" <sip:346xxxxxxx4@X.Y.W.Z>;party=calling;privacy=off;screen=no
13:08:52.993220 x 200 OK x xContent-Type: application/sdp
x <qqqqqqqqqqqqqqqqqqqqqqqqqq x xContent-Length: 307
x x x
x x xv=0
x x xm=audio 10610 RTP/AVP 0 18 8 101
x x xa=rtpmap:0 PCMU/8000
x x xa=rtpmap:18 G729/8000
x x xa=fmtp:18 annexb=no
x x xa=rtpmap:8 PCMA/8000
x x xa=rtpmap:101 telephone-event/8000
x x xa=fmtp:101 0-16
x x xa=ptime:20
x x xa=maxptime:150
x x xa=sendrecv
 
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michelerizzo88

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Mar 11, 2019
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Sorry, i attach 2 SIP/2.0 200 OK

SIP/2.0 200 OK
X.Y.W.Z:5060 X.Y.W.Z:5080 xVia: SIP/2.0/UDP X.Y.W.Z:5060;branch=z9hG4bK3442fb80;rport=5060
qqqqqqqqqqwqqqqqqqqq qqqqqqqqqqwqqqqqqqqqxFrom: <sip:34.......4@X.Y.W.Z>;tag=as50a088a5
15:16:38.201127 x INVITE (SDP) x xTo: <sip:gw+e22a8bea-f86f-460e-bf89-bba07315f787@X.Y.W.Z:5080;transport=udp;gw=e22a8bea-f86f-460e-bf89-bba07315f787>;tag=Uc3jejcU7NXXa
+0.002660 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x xCall-ID: 5616ed2f1be4a21a2ac650dd2bd8ecf4@X.Y.W.Z:5060
15:16:38.203787 x 100 Trying x xCSeq: 102 INVITE
+0.050639 x <qqqqqqqqqqqqqqqqqqqqqqqqqq x xContact: <sip:gw+e22a8bea-f86f-460e-bf89-bba07315f787@X.Y.W.Z:5080;transport=udp>
15:16:38.254426 x 200 OK (SDP) x xUser-Agent: FreeSWITCH
+0.017698 x <qqqqqqqqqqqqqqqqqqqqqqqqqq x xAccept: application/sdp
15:16:38.272124 x ACK x xAllow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
+44.662281 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x xSupported: timer, path, replaces
15:17:22.934405 x BYE x xAllow-Events: talk, hold, conference, refer
+0.020390 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x xContent-Type: application/sdp
15:17:22.954795 x 200 OK x xContent-Disposition: session
x <qqqqqqqqqqqqqqqqqqqqqqqqqq x xContent-Length: 220
x x xRemote-Party-ID: "0832......." <sip:0832.......@X.Y.W.Z>;party=calling;privacy=off;screen=no
x x x
x x xv=0
x x xo=FreeSWITCH 1588578458 1588578459 IN IP4 X.Y.W.Z
x x xs=FreeSWITCH
x x xc=IN IP4 X.Y.W.Z
x x xt=0 0
x x xm=audio 19740 RTP/AVP 0 101
x x xa=rtpmap:0 PCMU/8000
x x xa=rtpmap:101 telephone-event/8000
x x xa=fmtp:101 0-16
x x xa=ptime:20
x x x



SIP/2.0 200 OK
X.Y.W.Z:5060 X.Y.W.Z:5080 xVia: SIP/2.0/UDP X.Y.W.Z:5060;branch=z9hG4bK50172250;rport=5060
qqqqqqqqqqwqqqqqqqqq qqqqqqqqqqwqqqqqqqqqxFrom: <sip:34.......4@X.Y.W.Z>;tag=as50a088a5
15:16:38.201127 x INVITE (SDP) x xTo: <sip:gw+e22a8bea-f86f-460e-bf89-bba07315f787@X.Y.W.Z:5080;transport=udp;gw=e22a8bea-f86f-460e-bf89-bba07315f787>;tag=Uc3jejcU7NXXa
+0.002660 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x xCall-ID: 5616ed2f1be4a21a2ac650dd2bd8ecf4@X.Y.W.Z:5060
15:16:38.203787 x 100 Trying x xCSeq: 103 BYE
+0.050639 x <qqqqqqqqqqqqqqqqqqqqqqqqqq x xUser-Agent: FreeSWITCH
15:16:38.254426 x 200 OK (SDP) x xAllow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
+0.017698 x <qqqqqqqqqqqqqqqqqqqqqqqqqq x xSupported: timer, path, replaces
15:16:38.272124 x ACK x xContent-Length: 0
+44.662281 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x x
 
D

DGI

New Member
Mar 1, 2021
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michelerizzo88 said:
Hi, i'm testing an IVR welcome audio, with ".wav 8000Hz" format and if i listen this file in recordings it's ok, but when i check to call from cellular i have a noisy audio. Why? If i check with another voip number the audio is ok.
Click to expand...


Once you have recorded the audio convert it it the correct WAV format using this website:
audio.online-convert.com

Convert audio to WAV

Convert your audio to the WAV format with this free online WAV converter. You can optionally extract audio tracks from video and convert them to WAV.
audio.online-convert.com audio.online-convert.com

The settings you want are:
Bit Resolution - 16 BIT
Sampling Rate - 8,000 Hz
Audio Channels - Mono

This should do the trick,

If it doesn't then also try and disable all codecs in FusionPBX with the exceptionof PCMU and PCMA
 
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