bad

/*>>>|5.45.100.95:5060 @ 2023-06-11 11:10:41 */
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 5.45.100.95:5060;rport=5060;branch=z9hG4bKPj205cdbb9-d176-45d8-a4b3-ca21e000c3d7
From: <sip:[email protected]>;tag=12823a5c-8be6-42a7-b1b3-802394129883
To: <sip:[email protected]>
Call-ID: 48c1eaf0-da13-4f32-8d43-868f13108fff
CSeq: 19375 INVITE
Server: ACC
Content-Length: 0


/*<<<|5.45.100.95:5060 @ 2023-06-11 11:10:41 */
INVITE sip:[email protected]:5060 SIP/2.0
Via: SIP/2.0/UDP 5.45.100.95:5060;rport;branch=z9hG4bKPj205cdbb9-d176-45d8-a4b3-ca21e000c3d7
From: <sip:[email protected]>;tag=12823a5c-8be6-42a7-b1b3-802394129883
To: <sip:[email protected]>
Contact: <sip:[email protected]:5060>
Call-ID: 48c1eaf0-da13-4f32-8d43-868f13108fff
CSeq: 19375 INVITE
Allow: OPTIONS, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, MESSAGE, REFER
Supported: 100rel, timer, replaces, norefersub, histinfo
Session-Expires: 1800
Min-SE: 90
Max-Forwards: 70
User-Agent: FPBX-16.0.40.3(16.25.0)
Content-Type: application/sdp
Content-Length:   282

v=0
o=- 1867726585 1867726585 IN IP4 5.45.100.95
s=Asterisk
c=IN IP4 5.45.100.95
t=0 0
m=audio 17186 RTP/AVP 8 0 3 101
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:3 GSM/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
a=maxptime:150
a=sendrecv

/*>>>|5.45.100.95:5060 @ 2023-06-11 11:11:03 */
SIP/2.0 503 Service Unavailable
Server: ACC
Via: SIP/2.0/UDP 5.45.100.95:5060;branch=z9hG4bKPj205cdbb9-d176-45d8-a4b3-ca21e000c3d7;rport=5060
From: <sip:[email protected]>;tag=12823a5c-8be6-42a7-b1b3-802394129883
To: <sip:[email protected]>;tag=18df9fb9caa153b638255cd9e07c3e1d
Call-ID: 48c1eaf0-da13-4f32-8d43-868f13108fff
CSeq: 19375 INVITE
Server: ACC
Content-Length: 0