Thanks for your answer and doing some test I have this SIP debug:
>From Huawei SIDE we have:
12:53:41.358166 IP (tos 0xb8, ttl 127, id 0, offset 0, flags [none], proto:
UDP (17), length: 856) 189.8.113.170.5060 > 189.8.126.177.5060: SIP, length:
828
INVITE sip:[EMAIL PROTECTED]:5060;user=phone SIP/2.0
Via: SIP/2.0/UDP
189.8.113.170:5060;branch=z9hG4bKba4h2m2070fhnc4q20k1.1
Call-ID: [EMAIL PROTECTED]
From: Anonymous<sip:[EMAIL PROTECTED]>;tag=c8959281
To: <sip:[EMAIL PROTECTED];user=phone>
CSeq: 1 INVITE
Contact: <sip:[EMAIL PROTECTED]:5060;transport=udp>
Supported: 100rel
Privacy: user
User-Agent: Huawei SoftX3000 V300R006
Max-Forwards: 69
Allow:
INVITE,ACK,CANCEL,OPTIONS,BYE,REGISTER,PRACK,INFO,UPDATE,SUBSCRIBE,NOTIFY,ME
SSAGE,REFER
Content-Length: 226
Content-Type: application/sdp
v=0
o=HuaweiSoftX3000 228436 228436 IN IP4 189.8.113.170
s=Sip Call
c=IN IP4 189.8.113.170
t=0 0
m=audio 49606 RTP/AVP 8 0 97
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:97 telephone-event/8000
a=fmtp:97 0-15
and from Asterisk SIDE we have
12:54:30.364337 IP (tos 0x0, ttl 64, id 7173, offset 0, flags [none],
proto: UDP (17), length: 791) 192.168.0.12.5060 > 189.8.113.170.5060: SIP,
length: 763
SIP/2.0 200 OK
Via: SIP/2.0/UDP
189.8.113.170:5060;branch=z9hG4bKba4h2m2070fhnc4q20k1.1;received=189.8.113.1
70
From: Anonymous<sip:[EMAIL PROTECTED]>;tag=c8959281
To: <sip:[EMAIL PROTECTED];user=phone>;tag=as2daca8e1
Call-ID: [EMAIL PROTECTED]
CSeq: 1 INVITE
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Contact: <sip:[EMAIL PROTECTED]>
Content-Type: application/sdp
Content-Length: 259
v=0
o=root 4569 4569 IN IP4 192.168.0.12
s=session
c=IN IP4 192.168.0.12
t=0 0
m=audio 11442 RTP/AVP 8 0 97
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:97 telephone-event/8000
a=fmtp:97 0-16
a=silenceSupp:off - - - -
a=ptime:20
a=sendrecv
12:54:34.132505 IP (tos 0x0, ttl 64, id 7174, offset 0, flags [none],
proto: UDP (17), length: 487) 192.168.0.12.5060 > 189.8.113.170.5060: SIP,
length: 459
SIP/2.0 100 Trying
Via: SIP/2.0/UDP
189.8.113.170:5060;branch=z9hG4bKo2k1gm10bgv1lcojk7c0.1;received=189.8.113.1
70
From: <sip:[EMAIL PROTECTED];user=phone>;tag=c963ca26
To: <sip:[EMAIL PROTECTED];user=phone>
Call-ID: [EMAIL PROTECTED]
CSeq: 1 INVITE
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Contact: <sip:[EMAIL PROTECTED]>
Content-Length: 0
12:54:34.132729 IP (tos 0x0, ttl 64, id 7175, offset 0, flags [none],
proto: UDP (17), length: 503) 192.168.0.12.5060 > 189.8.113.170.5060: SIP,
length: 475
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP
189.8.113.170:5060;branch=z9hG4bKo2k1gm10bgv1lcojk7c0.1;received=189.8.113.1
70
From: <sip:[EMAIL PROTECTED];user=phone>;tag=c963ca26
To: <sip:[EMAIL PROTECTED];user=phone>;tag=as3b751604
Call-ID: [EMAIL PROTECTED]
CSeq: 1 INVITE
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Contact: <sip:[EMAIL PROTECTED]>
Content-Length: 0
12:54:34.634264 IP (tos 0x0, ttl 64, id 7176, offset 0, flags [none],
proto: UDP (17), length: 487) 192.168.0.12.5060 > 189.8.113.170.5060: SIP,
length: 459
SIP/2.0 100 Trying
Via: SIP/2.0/UDP
189.8.113.170:5060;branch=z9hG4bKo2k1gm10bgv1lcojk7c0.1;received=189.8.113.1
70
From: <sip:[EMAIL PROTECTED];user=phone>;tag=c963ca26
To: <sip:[EMAIL PROTECTED];user=phone>
Call-ID: [EMAIL PROTECTED]
CSeq: 1 INVITE
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Contact: <sip:[EMAIL PROTECTED]>
Content-Length: 0
12:54:35.635851 IP (tos 0x0, ttl 64, id 7177, offset 0, flags [none],
proto: UDP (17), length: 487) 192.168.0.12.5060 > 189.8.113.170.5060: SIP,
length: 459
SIP/2.0 100 Trying
Via: SIP/2.0/UDP
189.8.113.170:5060;branch=z9hG4bKo2k1gm10bgv1lcojk7c0.1;received=189.8.113.1
70
From: <sip:[EMAIL PROTECTED];user=phone>;tag=c963ca26
To: <sip:[EMAIL PROTECTED];user=phone>
Call-ID: [EMAIL PROTECTED]
CSeq: 1 INVITE
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Contact: <sip:[EMAIL PROTECTED]>
Content-Length: 0
Gustavo A. González
Dto. de Infraestructura
Despegar.com, Inc.
[EMAIL PROTECTED]
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