Rx-Frame Retry[ No] -- OSeqno: 002 ISeqno: 006 Type: IAX     Subclass: QUELCH
   Timestamp: 02598ms  SCall: 26306  DCall: 00007 [192.168.10.152:26304]

Tx-Frame Retry[-01] -- OSeqno: 006 ISeqno: 003 Type: IAX     Subclass: ACK
   Timestamp: 02598ms  SCall: 00007  DCall: 26306 [192.168.10.152:26304]
    -- Started music on hold, class 'default', on IAX2/192.168.10.227:4569-8
Tx-Frame Retry[000] -- OSeqno: 006 ISeqno: 003 Type: CONTROL Subclass: (20?)
   Timestamp: 02583ms  SCall: 00007  DCall: 26306 [192.168.10.152:26304]
Tx-Frame Retry[000] -- OSeqno: 004 ISeqno: 006 Type: CONTROL Subclass: (20?)
   Timestamp: 02523ms  SCall: 00008  DCall: 00041 [192.168.10.227:4569]
Rx-Frame Retry[ No] -- OSeqno: 006 ISeqno: 005 Type: IAX     Subclass: ACK
   Timestamp: 02523ms  SCall: 00041  DCall: 00008 [192.168.10.227:4569]
Rx-Frame Retry[ No] -- OSeqno: 003 ISeqno: 007 Type: DTMF_E  Subclass: 6