[Freeswitch-users] rfc2833 first Marker Bit not set to True on bleg

Bernard Murphy bernard.david.murphy at gmail.com
Sun Apr 29 14:17:01 MSD 2012


Thank-you, <param name="auto-rtp-bugs" value="clear"/> does indeed fix the
problem of Bleg, first bit Marker not set to True for a Cisco 2901 SIP
Gateway IOS 15.0(1r)M12

I appreciate the assistance from the group as ever.

Regards
Bernie


On Sun, Apr 29, 2012 at 4:36 AM, Brian West <brian at freeswitch.org> wrote:

> Not a bug!  Set rtp bugs param to clear!
>
> /b
>
> Sent from my iPhone
>
> On Apr 28, 2012, at 4:19 PM, Brian Foster <bdfoster at endigotech.com> wrote:
>
> Please report bugs to JIRA. The mailing list is not the place for
> reporting bugs.
>
> Thread closed.
>
> -BDF
> On Apr 28, 2012 5:54 AM, "Bernard Murphy" <bernard.david.murphy at gmail.com>
> wrote:
>
>> On the very latest GIT and previous , Freeswitch doesn't seem to set the
>> first Marker Bit to true on an rfc2833 event on the bleg of a call out to a
>> gateway
>>
>> on the A-leg the first event from my UA to Freeswitch is correct with
>> duration as 0 and Marker bit set to True. Then the second event increments
>> the duration and Market bit is set to false.
>> but on the B-leg from freeswitch to the cisco gateway the first event has
>> duration 80 (may or may not be a problem) but the Marker bit is set to
>> False which must be wrong ? Duration then increments and Marker bit remains
>> false.
>>
>> I also tried <param name="manual-rtp-bugs" value="START_SEQ_AT_ZERO"/> to
>> make the duration start at zero but it seemed to have no effect.
>>
>>
>> *ALEG from SIP UA to FREESWITCH*
>> No.     Time Source                Destination           Protocol Length
>> Info
>>    5254 23   10.0.47.110           10.50.47.30           RTP EVENT 60
>> Payload type=RTP Event, DTMF One 1
>>
>> Frame 5254: 60 bytes on wire (480 bits), 60 bytes captured (480 bits)
>> Ethernet II, Src: Sonicwal_3d:2b:1c (00:06:b1:3d:2b:1c), Dst:
>> Vmware_ab:60:ec (00:0c:29:ab:60:ec)
>> Internet Protocol Version 4, Src: 10.0.47.110 (10.0.47.110), Dst:
>> 10.50.47.30 (10.50.47.30)
>> User Datagram Protocol, Src Port: 49194 (49194), Dst Port: 21374 (21374)
>> Real-Time Transport Protocol
>>     [Stream setup by SDP (frame 1122)]
>>         [Setup frame: 1122]
>>         [Setup Method: SDP]
>>     10.. .... = Version: RFC 1889 Version (2)
>>     ..0. .... = Padding: False
>>     ...0 .... = Extension: False
>>     .... 0000 = Contributing source identifiers count: 0
>>     1... .... = Marker: True
>>     Payload type: telephone-event (101)
>>     Sequence number: 26364
>>     [Extended sequence number: 91900]
>>     Timestamp: 133920
>>     Synchronization Source identifier: 0x03bf0676 (62850678)
>> RFC 2833 RTP Event
>>     Event ID: DTMF One 1 (1)
>>     0... .... = End of Event: False
>>     .0.. .... = Reserved: False
>>     ..00 1010 = Volume: 10
>>     Event Duration: 0
>>
>> *ALEG SECOND EVENT FROM SIP UA TO FREESWITCH*
>>
>> No.     Time Source                Destination           Protocol Length
>> Info
>>    5255 23   10.0.47.110           10.50.47.30           RTP EVENT 60
>> Payload type=RTP Event, DTMF One 1
>>
>> Frame 5255: 60 bytes on wire (480 bits), 60 bytes captured (480 bits)
>> Ethernet II, Src: Sonicwal_3d:2b:1c (00:06:b1:3d:2b:1c), Dst:
>> Vmware_ab:60:ec (00:0c:29:ab:60:ec)
>> Internet Protocol Version 4, Src: 10.0.47.110 (10.0.47.110), Dst:
>> 10.50.47.30 (10.50.47.30)
>> User Datagram Protocol, Src Port: 49194 (49194), Dst Port: 21374 (21374)
>> Real-Time Transport Protocol
>>     [Stream setup by SDP (frame 1122)]
>>         [Setup frame: 1122]
>>         [Setup Method: SDP]
>>     10.. .... = Version: RFC 1889 Version (2)
>>     ..0. .... = Padding: False
>>     ...0 .... = Extension: False
>>     .... 0000 = Contributing source identifiers count: 0
>>     0... .... = Marker: False
>>     Payload type: telephone-event (101)
>>     Sequence number: 26365
>>     [Extended sequence number: 91901]
>>     Timestamp: 133920
>>     Synchronization Source identifier: 0x03bf0676 (62850678)
>> RFC 2833 RTP Event
>>     Event ID: DTMF One 1 (1)
>>     0... .... = End of Event: False
>>     .0.. .... = Reserved: False
>>     ..00 1010 = Volume: 10
>>     Event Duration: 160
>>
>> *BLEG FIRST EVENT FROM FREESWITCH* *TO CISCO*
>> No.     Time Source                Destination           Protocol Length
>> Info
>>    5329 23   10.50.47.30           10.50.47.19           RTP EVENT 58
>> Payload type=RTP Event, DTMF One 1
>>
>> Frame 5329: 58 bytes on wire (464 bits), 58 bytes captured (464 bits)
>> Ethernet II, Src: Vmware_ab:60:ec (00:0c:29:ab:60:ec), Dst:
>> 64:9e:f3:11:ff:60 (64:9e:f3:11:ff:60)
>> Internet Protocol Version 4, Src: 10.50.47.30 (10.50.47.30), Dst:
>> 10.50.47.19 (10.50.47.19)
>> User Datagram Protocol, Src Port: 24034 (24034), Dst Port: 18768 (18768)
>> Real-Time Transport Protocol
>>     [Stream setup by SDP (frame 1113)]
>>         [Setup frame: 1113]
>>         [Setup Method: SDP]
>>     10.. .... = Version: RFC 1889 Version (2)
>>     ..0. .... = Padding: False
>>     ...0 .... = Extension: False
>>     .... 0000 = Contributing source identifiers count: 0
>>     0... .... = Marker: False
>>     Payload type: telephone-event (101)
>>     Sequence number: 24716
>>     [Extended sequence number: 90252]
>>     Timestamp: 158240
>>     Synchronization Source identifier: 0x57e5d7a1 (1474680737)
>> RFC 2833 RTP Event
>>     Event ID: DTMF One 1 (1)
>>     0... .... = End of Event: False
>>     .0.. .... = Reserved: False
>>     ..00 0111 = Volume: 7
>>     Event Duration: 80
>>
>> *BLEG SECOND EVENT FROM FREESWITCH* *TO CISCO*
>> No.     Time Source                Destination           Protocol Length
>> Info
>>    5331 23   10.50.47.30           10.50.47.19           RTP EVENT 58
>> Payload type=RTP Event, DTMF One 1
>>
>> Frame 5331: 58 bytes on wire (464 bits), 58 bytes captured (464 bits)
>> Ethernet II, Src: Vmware_ab:60:ec (00:0c:29:ab:60:ec), Dst:
>> 64:9e:f3:11:ff:60 (64:9e:f3:11:ff:60)
>> Internet Protocol Version 4, Src: 10.50.47.30 (10.50.47.30), Dst:
>> 10.50.47.19 (10.50.47.19)
>> User Datagram Protocol, Src Port: 24034 (24034), Dst Port: 18768 (18768)
>> Real-Time Transport Protocol
>>     [Stream setup by SDP (frame 1113)]
>>         [Setup frame: 1113]
>>         [Setup Method: SDP]
>>     10.. .... = Version: RFC 1889 Version (2)
>>     ..0. .... = Padding: False
>>     ...0 .... = Extension: False
>>     .... 0000 = Contributing source identifiers count: 0
>>     0... .... = Marker: False
>>     Payload type: telephone-event (101)
>>     Sequence number: 24717
>>     [Extended sequence number: 90253]
>>     Timestamp: 158240
>>     Synchronization Source identifier: 0x57e5d7a1 (1474680737)
>> RFC 2833 RTP Event
>>     Event ID: DTMF One 1 (1)
>>     0... .... = End of Event: False
>>     .0.. .... = Reserved: False
>>     ..00 0111 = Volume: 7
>>     Event Duration: 160
>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
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>>
>> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
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> http://wiki.freeswitch.org
> http://www.cluecon.com
>
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>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
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>
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