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Cisco Bug: CSCur56203 - 8945 Dynamic Bandwidth support

Last Modified

Dec 09, 2014

Products (1)

  • Cisco Unified IP Phone 6900 Series

Known Affected Releases

9.4(2)

Description (partial)

Symptom:
Phone closes it video decoder if the other party advertises dynamic RTP payload type.

From logs we can see the following:

02:04:27:28.622 - I/ACCU: accu_sccp_ep_evthd(). id=83(flow_ctrl_notify), size=32 
 02:04:27:28.623 - I/ACCU: accu_sccp_ep_proc_tsinfo_flow_ctrl_notify 
 02:04:27:28.623 - I/ACCU: accu_term_event. [E1 L3]. event=tsinfo_flow_ctrl_notify. state=CONNECTED 
 02:04:27:28.623 - E/ACCU: accu_sccp_line_term_tsinfo_flow_ctrl_notify(). close video decoder 
 02:04:27:28.623 - I/ACCU: accu_term_event. [E1 L3]. event=tsinfo_close_multimedia_recv_chan. state=CONNECTED 
 02:04:27:28.623 - I/ACCU: accu_term_pend_evt_cfg(). none->tsinfo_close_multimedia_recv_chan 
 02:04:27:28.624 - I/ACCU: accu_sccp_ep_evthd(). event=106(monitor_create)

Conditions:
8945 phones doesnt support Flow control Notify. For example in a video call if the other party sends a different payload type (PT102), 8945 will not accept it and close its video decoder
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