[cisco-voip] CCM 3.3 and H323 re-routing

[Oleg Shevchenko]

Hi All, 

 

I have a problem with H323 rerouting procedure on CCM 3.3. After the
call was established CCM initiates re-routing procedure as it described
H323v2 (8.4.6 Third party initiated pause and re-routing). That schemed
were working with CCM 3.1 but now CCM sends TCS twice during
renegotiating.

Would anyone have any clue why CCM sends TCS twice?

 

Note that TCS sent by my unit and received from CCM have the same codec
(G711Ulaw) but different packet size. 

 

CCM                                    H323 Unit

       ---- Empty TCS   --------------- >

      < --- closeLogicalChannel ---

      < --- TCS_Ack --------------------

      ------ closeLogicalChannelAck --- >

      ------ closeLogicalChannel --- >

      <------ closeLogicalChannelAck --- 

 

      < ------- TCS ----------------------------

         ------- TCS ---------------------------->

       <  ------- TCS Ack----------------------

       < -------  MSD --------------------------

          ------- TCS Ack---------------------- >

         ------- TCS ---------------------------->      // Again TCS.
Bug in CCM!!!

.......

 

Thank you,

Oleg

 

 

 

      

 

 

 

 

  

 

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