[asterisk-users] Voice "broken" during calls

Michael Keuter lists at mksolutions.info
Sat Jun 13 11:06:23 CDT 2020


So the call used Alaw as Codec.

> Am 13.06.2020 um 17:23 schrieb Luca Bertoncello <lucabert at lucabert.de>:
> 
> Am 13.06.2020 um 13:47 schrieb Michael Keuter:
> 
> Hi
> 
>> Try "sip show peer <peername>" for a phone.
> 
> So:
> 
> mobile phone:
> bpi*CLI> sip show peer 0049177xxxxxxx
> 
> 
> 
> 
>  * Name       : 0049177xxxxxxx
> 
> 
>  Description  :
> 
> 
>  Secret       : <Set>
> 
> 
>  MD5Secret    : <Not set>
> 
> 
>  Remote Secret: <Not set>
> 
> 
>  Context      : default
> 
> 
>  Record On feature : automon
> 
> 
>  Record Off feature : automon
> 
> 
>  Subscr.Cont. : <Not set>
> 
> 
>  Language     : de
> 
> 
>  Tonezone     : <Not set>
>  AMA flags    : Unknown
>  Transfer mode: open
>  CallingPres  : Presentation Allowed, Not Screened
>  Callgroup    : 1
>  Pickupgroup  : 1
>  Named Callgr :
>  Nam. Pickupgr:
>  MOH Suggest  :
>  Mailbox      :
>  VM Extension : asterisk
>  LastMsgsSent : 0/0
>  Call limit   : 2147483647
>  Max forwards : 0
>  Dynamic      : Yes
>  Callerid     : "0049177xxxxxxx" <>
>  MaxCallBR    : 384 kbps
>  Expire       : -1
>  Insecure     : no
>  Force rport  : Yes
>  Symmetric RTP: Yes
>  ACL          : No
>  DirectMedACL : No
>  T.38 support : Yes
>  T.38 EC mode : FEC
>  T.38 MaxDtgrm: 4294967295
>  DirectMedia  : No
>  PromiscRedir : No
>  User=Phone   : No
>  Video Support: No
>  Text Support : No
>  Ign SDP ver  : No
>  Trust RPID   : No
>  Send RPID    : Yes
>  Path support : No
>  Path         : N/A
>  TrustIDOutbnd: Legacy
>  Subscriptions: Yes
>  Overlap dial : No
>  DTMFmode     : rfc2833
>  Timer T1     : 500
>  Timer B      : 32000
>  ToHost       :
>  Addr->IP     : (null)
>  Defaddr->IP  : (null)
>  Prim.Transp. : UDP
>  Allowed.Trsp : UDP
>  Def. Username:
>  SIP Options  : (none)
>  Codecs       :
> (alaw|ulaw|ilbc|g729|g723|gsm|amr|amrwb|g726|g726aal2|adpcm|slin|slin|slin|slin|slin|slin|slin|slin|slin|lpc10|speex|speex|speex|g722|siren7|siren14|testlaw|g719|opus|jpeg|png|h261|h263|h263p|h264|mpeg4|vp8|red|t140|silk|silk|silk|silk)
>  Auto-Framing : No
>  Status       : UNKNOWN
>  Useragent    :
>  Reg. Contact :
>  Qualify Freq : 60000 ms
>  Keepalive    : 0 ms
>  Sess-Timers  : Refuse
>  Sess-Refresh : uac
>  Sess-Expires : 1800 secs
>  Min-Sess     : 90 secs
>  RTP Engine   : asterisk
>  Parkinglot   :
>  Use Reason   : No
>  Encryption   : No
> 
> VoIP-phone (Thomson ST2022):
> bpi*CLI> sip show peer 0049351xxxxxxx
> 
> 
> 
> 
>  * Name       : 0049351xxxxxxx
> 
> 
>  Description  :
> 
> 
>  Secret       : <Set>
> 
> 
>  MD5Secret    : <Not set>
> 
> 
>  Remote Secret: <Not set>
> 
> 
>  Context      : default
> 
> 
>  Record On feature : automon
> 
> 
>  Record Off feature : automon
>  Subscr.Cont. : <Not set>
>  Language     : de
>  Tonezone     : <Not set>
>  AMA flags    : Unknown
>  Transfer mode: open
>  CallingPres  : Presentation Allowed, Not Screened
>  Callgroup    : 1
>  Pickupgroup  : 1
>  Named Callgr :
>  Nam. Pickupgr:
>  MOH Suggest  :
>  Mailbox      :
>  VM Extension : asterisk
>  LastMsgsSent : 0/0
>  Call limit   : 2147483647
>  Max forwards : 0
>  Dynamic      : Yes
>  Callerid     : "0049351xxxxxxx" <>
>  MaxCallBR    : 384 kbps
>  Expire       : 3111
>  Insecure     : no
>  Force rport  : Yes
>  Symmetric RTP: Yes
>  ACL          : Yes
>  DirectMedACL : No
>  T.38 support : Yes
>  T.38 EC mode : FEC
>  T.38 MaxDtgrm: 4294967295
>  DirectMedia  : No
>  PromiscRedir : No
>  User=Phone   : No
>  Video Support: No
>  Text Support : No
>  Ign SDP ver  : No
>  Trust RPID   : No
>  Send RPID    : Yes
>  Path support : No
>  Path         : N/A
>  TrustIDOutbnd: Legacy
>  Subscriptions: Yes
>  Overlap dial : No
>  DTMFmode     : rfc2833
>  Timer T1     : 500
>  Timer B      : 32000
>  ToHost       :
>  Addr->IP     : 192.168.200.10:25572
>  Defaddr->IP  : (null)
>  Prim.Transp. : UDP
>  Allowed.Trsp : UDP
>  Def. Username: 0049351xxxxxxx
>  SIP Options  : (none)
>  Codecs       : (alaw|ulaw|ilbc|g729|g723|gsm)
>  Auto-Framing : No
>  Status       : OK (17 ms)
>  Useragent    : THOMSON ST2022 hw2 fw3.56 00-26-44-31-10-23
>  Reg. Contact : sip:0049351xxxxxxx at 192.168.200.10:25572;user=phone
>  Qualify Freq : 60000 ms
>  Keepalive    : 0 ms
>  Sess-Timers  : Refuse
>  Sess-Refresh : uac
>  Sess-Expires : 1800 secs
>  Min-Sess     : 90 secs
>  RTP Engine   : asterisk
>  Parkinglot   :
>  Use Reason   : No
>  Encryption   : No
> 
> 
>> Then "sip show channels" during an existing call.
> 
> Call from normal phone:
> bpi*CLI> sip show channels
> Peer             User/ANR         Call ID          Format           Hold
>    Last Message    Expiry     Peer
> 192.168.200.10   0049351xxxxxxx   9eff88f7-c0a801  (alaw)           No
>    Rx: ACK                    0049351xxxxxxx
> 217.0.27.53      03501xxxxxxx     453efbcb7a04f33  (alaw)           No
>    Tx: ACK                    pbxluca
> 2 active SIP dialogs
> 
> Call from mobile phone (via VoIP registered in Asterisk):
> 
> bpi*CLI> sip show channels
> Peer             User/ANR         Call ID          Format           Hold
>    Last Message    Expiry     Peer
> 192.168.10.12    0049177xxxxxxx   11b86bd612b71ae  (alaw)           No
>    Rx: INVITE                 0049177xxxxxxx
> 217.0.27.53      00493501xxxxxxx  5647efe41d746b4  (alaw)           No
>    Tx: INVITE                 pbxluca
> 2 active SIP dialogs
> 
> 
>> And "sip show channel <Call-ID>" for more info.
> 
> Call from normal phone:
> 
> bpi*CLI> sip show channel 9eff88f7-c0a80101-0-22c911 at 192.168.200.10
> 
>  * SIP Call
> 
> 
>  Curr. trans. direction:  Incoming
> 
> 
>  Call-ID:                9eff88f7-c0a80101-0-22c911 at 192.168.200.10
> 
> 
>  Owner channel ID:       SIP/0049351xxxxxxx-000000a7
>  Our Codec Capability:   (alaw|ulaw|ilbc|g729|g723|gsm)
> 
> 
>  Non-Codec Capability (DTMF):   1
> 
> 
>  Their Codec Capability:   (ulaw|g723|alaw|g729)
> 
> 
>  Joint Codec Capability:   (alaw|ulaw|g729|g723)
>  Format:                 (alaw)
>  T.38 support            No
>  Video support           No
>  MaxCallBR:              384 kbps
>  Theoretical Address:    192.168.200.10:25572
>  Received Address:       192.168.200.10:25572
>  SIP Transfer mode:      open
>  Force rport:            Yes
>  Audio IP:               192.168.200.1 (local)
>  Our Tag:                as12e44b1b
>  Their Tag:              c0a80101-d3c8cef7
>  SIP User agent:         THOMSON ST2022 hw2 fw3.56 00-26-44-31-10-23
>  Username:               0049351xxxxxxx
>  Peername:               0049351xxxxxxx
>  Original uri:           sip:0049351xxxxxxx at 192.168.200.10:25572
>  Caller-ID:              0049351xxxxxxx
>  Need Destroy:           No
>  Last Message:           Rx: ACK
>  Promiscuous Redir:      No
>  Route:
> <sip:0049351xxxxxxx at 192.168.200.10:25572;user=phone>
>  DTMF Mode:              rfc2833
>  SIP Options:            replaces replace timer
>  Session-Timer:          Inactive
>  Transport:              UDP
>  Media:                  RTP
> 
> bpi*CLI> sip show channel 453efbcb7a04f33e1e0de7ef461f9b38 at tel.t-online.de
> 
>  * SIP Call
>  Curr. trans. direction:  Outgoing
>  Call-ID:                453efbcb7a04f33e1e0de7ef461f9b38 at tel.t-online.de
>  Owner channel ID:       SIP/pbxluca-000000a8
>  Our Codec Capability:   (alaw|ulaw)
>  Non-Codec Capability (DTMF):   1
>  Their Codec Capability:   (alaw)
>  Joint Codec Capability:   (alaw)
>  Format:                 (alaw)
>  T.38 support            Yes
>  Video support           No
>  MaxCallBR:              384 kbps
>  Theoretical Address:    217.0.27.xx:5060
>  Received Address:       217.0.27.xx:5060
>  SIP Transfer mode:      open
>  Force rport:            Yes
>  Audio IP:               91.49.50.x (local)
>  Our Tag:                as29bbbfb6
>  Their Tag:
> h7g4Esbg_p65551t1592060241m195254c7230720s1_1763914935-920913141
>  SIP User agent:
>  Username:               03501xxxxxxx
>  Peername:               pbxluca
>  Original uri:           sip:sgc_c at 217.0.27.xx
>  Need Destroy:           No
>  Last Message:           Tx: ACK
>  Promiscuous Redir:      No
>  Route:                  <sip:217.0.27.xx;transport=udp;lr>
>  DTMF Mode:              rfc2833
>  SIP Options:            (none)
>  Session-Timer:          Inactive
>  Transport:              UDP
>  Media:                  RTP
> 
> Call from mobile phone (via VoIP registered in Asterisk):
> 
> bpi*CLI> sip show channel 11b86bd612b71ae0f06c62d53ecf08c6 at 192.168.10.12
> 
>  * SIP Call
>  Curr. trans. direction:  Incoming
>  Call-ID:                11b86bd612b71ae0f06c62d53ecf08c6 at 192.168.10.12
>  Owner channel ID:       SIP/0049177xxxxxxx-000000a9
>  Our Codec Capability:
> (alaw|ulaw|ilbc|g729|g723|gsm|amr|amrwb|g726|g726aal2|adpcm|slin|slin|slin|slin|slin|slin|slin|slin|slin|lpc10|speex|speex|speex|g722|siren7|siren14|testlaw|g719|opus|jpeg|png|h261|h263|h263p|h264|mpeg4|vp8|red|t140|silk|silk|silk|silk)
>  Non-Codec Capability (DTMF):   1
>  Their Codec Capability:   (ulaw|gsm|alaw|amr)
>  Joint Codec Capability:   (alaw|ulaw|gsm|amr)
>  Format:                 (alaw)
>  T.38 support            No
>  Video support           No
>  MaxCallBR:              384 kbps
>  Theoretical Address:    192.168.10.12:37210
>  Received Address:       192.168.10.12:37210
>  SIP Transfer mode:      open
>  Force rport:            Yes
>  Audio IP:               192.168.10.1 (local)
>  Our Tag:                as339b5367
>  Their Tag:              1910565801
>  SIP User agent:
>  Peername:               0049177xxxxxxx
>  Original uri:           sip:0049177xxxxxxx at 192.168.10.12:37210
>  Caller-ID:              0049177xxxxxxx
>  Need Destroy:           No
>  Last Message:           Rx: ACK
>  Promiscuous Redir:      No
>  Route:
> <sip:0049177xxxxxxx at 192.168.10.12:37210;transport=udp>
>  DTMF Mode:              rfc2833
>  SIP Options:            (none)
>  Session-Timer:          Inactive
>  Transport:              UDP
>  Media:                  RTP
> 
> 
> bpi*CLI> sip show channel 5647efe41d746b4d67ad5c576b67beba at tel.t-online.de
> 
>  * SIP Call
>  Curr. trans. direction:  Outgoing
>  Call-ID:                5647efe41d746b4d67ad5c576b67beba at tel.t-online.de
>  Owner channel ID:       SIP/pbxluca-000000aa
>  Our Codec Capability:   (alaw|ulaw)
>  Non-Codec Capability (DTMF):   1
>  Their Codec Capability:   (alaw)
>  Joint Codec Capability:   (alaw)
>  Format:                 (alaw)
>  T.38 support            Yes
>  Video support           No
>  MaxCallBR:              384 kbps
>  Theoretical Address:    217.0.27.xx:5060
>  Received Address:       217.0.27.xx:5060
>  SIP Transfer mode:      open
>  Force rport:            Yes
>  Audio IP:               91.49.50.xx (local)
>  Our Tag:                as148b6300
>  Their Tag:
> h7g4Esbg_p65551t1592060364m136229c7238384s1_1886856096-203650581
>  SIP User agent:
>  Username:               00493501xxxxxxx
>  Peername:               pbxluca
>  Original uri:           sip:sgc_c at 217.0.27.xx
>  Need Destroy:           No
>  Last Message:           Tx: ACK
>  Promiscuous Redir:      No
>  Route:                  <sip:217.0.27.xx;transport=udp;lr>
>  DTMF Mode:              rfc2833
>  SIP Options:            (none)
>  Session-Timer:          Inactive
>  Transport:              UDP
>  Media:                  RTP
> 
> So, I'd say, the codecs are the same...
> Do you see something strange that I should check/change?
> 
> Thank you very very much for your help!
> Luca Bertoncello
> (lucabert at lucabert.de)
> 
> -- 
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Michael

http://www.mksolutions.info






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