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

Anthony Minessale anthony.minessale at gmail.com
Mon Apr 30 02:29:07 MSD 2012


Ironicly, it is a bug but a bug we emulate on purpose because Cisco for 6
years has required that incorrect behaviour to work right.  Maybe its
finally time to pull it from the defaults... =p
On Apr 29, 2012 5:19 AM, "Bernard Murphy" <bernard.david.murphy at gmail.com>
wrote:

> 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
>>>
>>> 
>>> 
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://wiki.freeswitch.org
>>> http://www.cluecon.com
>>>
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> http://www.freeswitch.org
>>>
>>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>>
>>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>
>
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