Sure, I just ran the call test. Outside phone number to a DID which fowards to my extension:
Made with our number without the leading + - Call routes properly to the extension (111 in this case)
4/23/2024 5:34:28 PM - NAT/ALG check:L:133.1[Line:10000<<OUTSIDENUMBER] RESPONSE 200 on 'INVITE' - some of SIP/SDP headers contain inconsistent information or modified by intermediate hop
SIP proxy detected:
Record-Route:<sip:35.173.62.45:5060;lr>
Record-Route:<sip:34.226.36.35:5060;lr;did=9e21.2762>
Media session IP ('c=' attribute) is not equal to the SIP packet source(IP

ort):
Media session IP: 207.223.67.137
Received from: OUR_PBX_IP
04/23/2024 5:34:27 PM - NAT/ALG check:L:133.1[Line:10000<<OUTSIDENUMBER] REQUEST 'INVITE' - some of SIP/SDP headers may contain inconsistent information or modified by intermediate hop
SIP proxy detected:
Via:SIP/2.0/UDP 34.226.36.35:5060;branch=z9hG4bKa3bb.ee898a83c6b20b270dfa44e7402e17cd.0
Via:SIP/2.0/UDP 54.71.6.127:5060;branch=z9hG4bKa3bb.e4e692497cfa346c0a5b910215218d3c.0
Via:SIP/2.0/UDP 35.173.62.45:5060;branch=z9hG4bKa3bb.eada3407208189c098e6f9338e68488f.0
Via:SIP/2.0/UDP 207.223.78.224:5060;branch=z9hG4bK00B0b2f430501936877
Media session IP ('c=' attribute) is not equal to the SIP packet source(IP

ort):
Media session IP: 207.223.67.137
Received from: 34.226.36.35
04/23/2024 5:34:17 PM - [CM503003]: Call(C:132): Call to <sip:111@OUR_PBX_INTERNAL_IP:0> has failed; Cause: 487 Request Terminated/INVITE from 192.168.60.125:5060
04/23/2024 5:34:14 PM - [CM503003]: Call(C:132): Call to <sip:
[email protected]:0> has failed; Cause: 487 Request Terminated/INVITE from 127.0.0.1:5483
Re-tested with + in front of the number inside of the SIP Trunk
04/23/2024 5:39:13 PM - [CM100002]: *!* Exception detected: unknown *!*
04/23/2024 5:35:26 PM - [CM503003]: Call(C:134): Call to <sip:111@OUR_PBX_INTERNAL_IP:0> has failed; Cause: 487 Request Terminated/INVITE from MY_DESKPHONE_IP:5060
04/23/2024 5:35:25 PM - [CM503003]: Call(C:134): Call to <sip:
[email protected]:0> has failed; Cause: 487 Request Terminated/INVITE from 127.0.0.1:5483
04/23/2024 5:35:22 PM - NAT/ALG check:L:134.1[Line:10000<<OUTSIDENUMBER] REQUEST 'INVITE' - some of SIP/SDP headers may contain inconsistent information or modified by intermediate hop
SIP proxy detected:
Via:SIP/2.0/UDP 34.226.36.35:5060;branch=z9hG4bKd571.375ecb8000d93f9c9b575884ef4c9f9c.0
Via:SIP/2.0/UDP 54.71.6.127:5060;branch=z9hG4bKd571.81cbf8d079e58025aeb94b8b2f4c47da.1
Via:SIP/2.0/UDP 34.211.68.10:5060;branch=z9hG4bKd571.dc30765385564b5a558df34b0cb7123b.0
Via:SIP/2.0/UDP 207.223.78.224:5060;branch=z9hG4bK0cBc54de552cb871f84
Media session IP ('c=' attribute) is not equal to the SIP packet source(IP

ort):
Media session IP: 207.223.67.137
Received from: 34.226.36.35
04/23/2024 5:34:28 PM - NAT/ALG check:L:133.1[Line:10000<<OUTSIDENUMBER] RESPONSE 200 on 'INVITE' - some of SIP/SDP headers contain inconsistent information or modified by intermediate hop
SIP proxy detected:
Record-Route:<sip:35.173.62.45:5060;lr>
Record-Route:<sip:34.226.36.35:5060;lr;did=9e21.2762>
Media session IP ('c=' attribute) is not equal to the SIP packet source(IP

ort):
Media session IP: 207.223.67.137
Received from: OUR_PBX_IP
04/23/2024 5:34:27 PM - NAT/ALG check:L:133.1[Line:10000<<OUTSIDENUMBER] REQUEST 'INVITE' - some of SIP/SDP headers may contain inconsistent information or modified by intermediate hop
SIP proxy detected:
Via:SIP/2.0/UDP 34.226.36.35:5060;branch=z9hG4bKa3bb.ee898a83c6b20b270dfa44e7402e17cd.0
Via:SIP/2.0/UDP 54.71.6.127:5060;branch=z9hG4bKa3bb.e4e692497cfa346c0a5b910215218d3c.0
Via:SIP/2.0/UDP 35.173.62.45:5060;branch=z9hG4bKa3bb.eada3407208189c098e6f9338e68488f.0
Via:SIP/2.0/UDP 207.223.78.224:5060;branch=z9hG4bK00B0b2f430501936877
Media session IP ('c=' attribute) is not equal to the SIP packet source(IP

ort):
Media session IP: 207.223.67.137
Received from: 34.226.36.35