Freepbx fax using IAXmodem and Hyalfax

I installed Iaxmodem and hylafax on freepbx.If I set Iax2 debug on, I get the following message.Unfortunately I cannot make head and tail of the message’.Kind point me in the right direction

Tx-Frame Retry[ No] – OSeqno: 000 ISeqno: 001 Type: IAX Subclass: REGREJ
Timestamp: 00003ms SCall: 00001 DCall: 19287 [127.0.0.1:35289]
Rx-Frame Retry[ No] – OSeqno: 001 ISeqno: 001 Type: IAX Subclass: ACK
Timestamp: 00003ms SCall: 19287 DCall: 00001 [127.0.0.1:35289]
Tx-Frame Retry[000] – OSeqno: 000 ISeqno: 000 Type: IAX Subclass: POKE
Timestamp: 00018ms SCall: 04686 DCall: 00000 [127.0.0.1:4569]

Rx-Frame Retry[ No] – OSeqno: 000 ISeqno: 000 Type: IAX Subclass: POKE
Timestamp: 00018ms SCall: 04686 DCall: 00000 [127.0.0.1:4569]

Tx-Frame Retry[ No] – OSeqno: 000 ISeqno: 001 Type: IAX Subclass: PONG
Timestamp: 00018ms SCall: 00001 DCall: 04686 [127.0.0.1:4569]
Rx-Frame Retry[ No] – OSeqno: 000 ISeqno: 001 Type: IAX Subclass: PONG
Timestamp: 00018ms SCall: 00001 DCall: 04686 [127.0.0.1:4569]
Tx-Frame Retry[-01] – OSeqno: 001 ISeqno: 001 Type: IAX Subclass: ACK
Timestamp: 00018ms SCall: 04686 DCall: 00001 [127.0.0.1:4569]
Rx-Frame Retry[ No] – OSeqno: 001 ISeqno: 001 Type: IAX Subclass: ACK
Timestamp: 00018ms SCall: 04686 DCall: 00001 [127.0.0.1:4569]
Rx-Frame Retry[ No] – OSeqno: 000 ISeqno: 000 Type: IAX Subclass: REGREQ
Timestamp: 00003ms SCall: 08291 DCall: 00000 [127.0.0.1:54435]
USERNAME : 200
REFRESH : 300