i replace my server ip address with xx.xx.xx.xx and my trunk ip address with yy.yy.yy.yy

static*CLI> sip set  debug  on
SIP Debugging enabled
static*CLI> sip qualify peer AMR
[2017-03-24 11:05:02] NOTICE[7036]: chan_sip.c:30047 sip_poke_peer: Still have a QUALIFY dialog active, deleting
Reliably Transmitting (NAT) to yy.yy.yy.yy:5060:
OPTIONS sip:yy.yy.yy.yy SIP/2.0
Via: SIP/2.0/UDP xx.xx.xx.xx:5060;branch=z9hG4bK666dd925;rport
Max-Forwards: 70
From: "Unknown" <sip:Unknown@xx.xx.xx.xx>;tag=as69629254
To: <sip:yy.yy.yy.yy>
Contact: <sip:Unknown@xx.xx.xx.xx:5060>
Call-ID: 6393298758149f5d2f38e56c7d0bb5b0@xx.xx.xx.xx:5060
CSeq: 102 OPTIONS
User-Agent: FPBX-13.0.190.19(13.14.0)
Date: Fri, 24 Mar 2017 15:05:02 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
Supported: replaces, timer
Content-Length: 0


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Really destroying SIP dialog '5aad17451ae99a5659d073aa6acc57be@xx.xx.xx.xx:5060' Method: OPTIONS
Retransmitting #1 (NAT) to yy.yy.yy.yy:5060:
OPTIONS sip:yy.yy.yy.yy SIP/2.0
Via: SIP/2.0/UDP xx.xx.xx.xx:5060;branch=z9hG4bK666dd925;rport
Max-Forwards: 70
From: "Unknown" <sip:Unknown@xx.xx.xx.xx>;tag=as69629254
To: <sip:yy.yy.yy.yy>
Contact: <sip:Unknown@xx.xx.xx.xx:5060>
Call-ID: 6393298758149f5d2f38e56c7d0bb5b0@xx.xx.xx.xx:5060
CSeq: 102 OPTIONS
User-Agent: FPBX-13.0.190.19(13.14.0)
Date: Fri, 24 Mar 2017 15:05:02 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
Supported: replaces, timer
Content-Length: 0


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Retransmitting #2 (NAT) to yy.yy.yy.yy:5060:
OPTIONS sip:yy.yy.yy.yy SIP/2.0
Via: SIP/2.0/UDP xx.xx.xx.xx:5060;branch=z9hG4bK666dd925;rport
Max-Forwards: 70
From: "Unknown" <sip:Unknown@xx.xx.xx.xx>;tag=as69629254
To: <sip:yy.yy.yy.yy>
Contact: <sip:Unknown@xx.xx.xx.xx:5060>
Call-ID: 6393298758149f5d2f38e56c7d0bb5b0@xx.xx.xx.xx:5060
CSeq: 102 OPTIONS
User-Agent: FPBX-13.0.190.19(13.14.0)
Date: Fri, 24 Mar 2017 15:05:02 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
Supported: replaces, timer
Content-Length: 0