| 本帖最後由 角色 於 2013-8-4 14:59 編輯 
 Please note the following three posts describing the location of problem.
 複製代碼TWTS-269PRO*CLI>
TWTS-269PRO*CLI>
TWTS-269PRO*CLI>
TWTS-269PRO*CLI>
TWTS-269PRO*CLI>
TWTS-269PRO*CLI>
<--- SIP read from UDP:10.0.88.22:5060 --->
INVITE sip:99663311@10.0.88.6:5080 SIP/2.0
Via: SIP/2.0/UDP 10.0.88.22:5060;rport;branch=z9hG4bKff918c1e86
From: "Eric_Ast-11.5" <sip:2004@10.0.88.6:5080>;tag=307df92f
To: <sip:99663311@10.0.88.6:5080>
Call-ID: [email]790da6076f0f53a7573d31e77297616f@10.0.88.22[/email]
Contact: <sip:2004@10.0.88.22:5060>
CSeq: 1 INVITE
Max-Forwards: 70
Allow: INVITE,CANCEL,ACK,BYE,NOTIFY,REFER,OPTIONS,INFO,MESSAGE,UPDATE
Supported: replaces
Content-Type: application/sdp
User-Agent: DGP306-O (1304100)
Content-Length: 217
v=0
o=CMI-SIPUA 477 0 IN IP4 10.0.88.22
s=SIP CALL
c=IN IP4 10.0.88.22
t=0 0
m=audio 21864 RTP/AVP 0 8 4 18 101
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=fmtp:18 annexb=no
a=rtcp:21865
a=sendrecv
<------------->
--- (13 headers 11 lines) ---
Sending to 10.0.88.22:5060 (NAT)
Sending to 10.0.88.22:5060 (NAT)
Using INVITE request as basis request - [email]790da6076f0f53a7573d31e77297616f@10.0.88.22[/email]
Found peer '2004' for '2004' from 10.0.88.22:5060
  == Using SIP RTP TOS bits 184
  == Using SIP RTP CoS mark 5
Found RTP audio format 0
Found RTP audio format 8
Found RTP audio format 4
Found RTP audio format 18
Found RTP audio format 101
Found audio description format telephone-event for ID 101
Capabilities: us - (gsm|ulaw|alaw), peer - audio=(g723|ulaw|alaw|g729)/video=(nothing)/text=(nothing), combined - (ulaw|alaw)
Non-codec capabilities (dtmf): us - 0x1 (telephone-event|), peer - 0x1 (telephone-event|), combined - 0x1 (telephone-event|)
Peer audio RTP is at port 10.0.88.22:21864
Looking for 99663311 in internal (domain 10.0.88.6)
list_route: hop: <sip:2004@10.0.88.22:5060>
<--- Transmitting (NAT) to 10.0.88.22:5060 --->
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 10.0.88.22:5060;branch=z9hG4bKff918c1e86;received=10.0.88.22;rport=5060
From: "Eric_Ast-11.5" <sip:2004@10.0.88.6:5080>;tag=307df92f
To: <sip:99663311@10.0.88.6:5080>
Call-ID: [email]790da6076f0f53a7573d31e77297616f@10.0.88.22[/email]
CSeq: 1 INVITE
Server: Asterisk PBX 11.5.0
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Contact: <sip:99663311@10.0.88.6:5080>
Content-Length: 0
<------------>
    -- Executing [99663311@internal:1] Dial("SIP/2004-00000042", "SIP/99663311@nwt-nettalk,,r") in new stack
  == Using SIP RTP TOS bits 184
  == Using SIP RTP CoS mark 5
Audio is at 12134
Adding codec 100003 (ulaw) to SDP
Adding codec 100004 (alaw) to SDP
Adding codec 100002 (gsm) to SDP
Adding non-codec 0x1 (telephone-event) to SDP
Reliably Transmitting (NAT) to 203.176.254.198:5060:
INVITE sip:99663311@ngn2.nwtbb.com:5060 SIP/2.0
Via: SIP/2.0/UDP 219.73.68.130:5080;branch=z9hG4bK3fdc0df9;rport
Max-Forwards: 70
From: "Eric_Ast-11.5" <sip:33445566@ngn2.nwtbb.com>;tag=as61ed4c9d
To: <sip:99663311@ngn2.nwtbb.com:5060>
Contact: <sip:33445566@219.73.68.130:5080>
Call-ID: [email]2504a5517f8b28f432e2a79a554ebc7e@ngn2.nwtbb.com[/email]
CSeq: 102 INVITE
User-Agent: Asterisk PBX 11.5.0
Date: Sun, 04 Aug 2013 06:26:14 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Type: application/sdp
Content-Length: 311
v=0
o=root 1811917192 1811917192 IN IP4 219.73.68.130
s=Asterisk PBX 11.5.0
c=IN IP4 219.73.68.130
t=0 0
m=audio 12134 RTP/AVP 0 8 3 101
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:3 GSM/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=silenceSupp:off - - - -
a=ptime:20
a=sendrecv
---
    -- Called SIP/99663311@nwt-nettalk
<--- Transmitting (NAT) to 10.0.88.22:5060 --->
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP 10.0.88.22:5060;branch=z9hG4bKff918c1e86;received=10.0.88.22;rport=5060
From: "Eric_Ast-11.5" <sip:2004@10.0.88.6:5080>;tag=307df92f
To: <sip:99663311@10.0.88.6:5080>;tag=as512c33a1
Call-ID: [email]790da6076f0f53a7573d31e77297616f@10.0.88.22[/email]
CSeq: 1 INVITE
Server: Asterisk PBX 11.5.0
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Contact: <sip:99663311@10.0.88.6:5080>
Content-Length: 0
<------------>
<--- SIP read from UDP:203.176.254.198:5060 --->
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 219.73.68.130:5080;branch=z9hG4bK3fdc0df9;rport=5080
Call-ID: [email]2504a5517f8b28f432e2a79a554ebc7e@ngn2.nwtbb.com[/email]
From: "Eric_Ast-11.5"<sip:33445566@ngn2.nwtbb.com>;tag=as61ed4c9d
To: <sip:99663311@ngn2.nwtbb.com:5060>
CSeq: 102 INVITE
Content-Length: 0
<------------->
--- (7 headers 0 lines) ---
<--- SIP read from UDP:203.176.254.198:5060 --->
SIP/2.0 407 Proxy Authentication Required
Via: SIP/2.0/UDP 219.73.68.130:5080;branch=z9hG4bK3fdc0df9;rport=5080
Call-ID: [email]2504a5517f8b28f432e2a79a554ebc7e@ngn2.nwtbb.com[/email]
From: "Eric_Ast-11.5"<sip:33445566@ngn2.nwtbb.com>;tag=as61ed4c9d
To: <sip:99663311@ngn2.nwtbb.com:5060>;tag=hcxvyhoy
CSeq: 102 INVITE
Proxy-Authenticate: Digest realm="Huawei",nonce="14:25:51:59515",stale=false,algorithm=MD5
Content-Length: 0
<------------->
--- (8 headers 0 lines) ---
Transmitting (NAT) to 203.176.254.198:5060:
ACK sip:99663311@ngn2.nwtbb.com:5060 SIP/2.0
Via: SIP/2.0/UDP 219.73.68.130:5080;branch=z9hG4bK3fdc0df9;rport
Max-Forwards: 70
From: "Eric_Ast-11.5" <sip:33445566@ngn2.nwtbb.com>;tag=as61ed4c9d
To: <sip:99663311@ngn2.nwtbb.com:5060>;tag=hcxvyhoy
Contact: <sip:33445566@219.73.68.130:5080>
Call-ID: [email]2504a5517f8b28f432e2a79a554ebc7e@ngn2.nwtbb.com[/email]
CSeq: 102 ACK
User-Agent: Asterisk PBX 11.5.0
Content-Length: 0
---
Audio is at 12134
Adding codec 100003 (ulaw) to SDP
Adding codec 100004 (alaw) to SDP
Adding codec 100002 (gsm) to SDP
Adding non-codec 0x1 (telephone-event) to SDP
Reliably Transmitting (NAT) to 203.176.254.198:5060:
INVITE sip:99663311@ngn2.nwtbb.com:5060 SIP/2.0
Via: SIP/2.0/UDP 219.73.68.130:5080;branch=z9hG4bK01c6bfea;rport
Max-Forwards: 70
From: "Eric_Ast-11.5" <sip:33445566@ngn2.nwtbb.com>;tag=as61ed4c9d
To: <sip:99663311@ngn2.nwtbb.com:5060>
Contact: <sip:33445566@219.73.68.130:5080>
Call-ID: [email]2504a5517f8b28f432e2a79a554ebc7e@ngn2.nwtbb.com[/email]
CSeq: 103 INVITE
User-Agent: Asterisk PBX 11.5.0
Proxy-Authorization: Digest username="33445566", realm="Huawei", algorithm=MD5, uri="sip:99663311@ngn2.nwtbb.com:5060", nonce="14:25:51:59515", response="e7c53f4651865f857b5f4d567752819e"
Date: Sun, 04 Aug 2013 06:26:14 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Type: application/sdp
Content-Length: 311
v=0
o=root 1811917192 1811917193 IN IP4 219.73.68.130
s=Asterisk PBX 11.5.0
c=IN IP4 219.73.68.130
t=0 0
m=audio 12134 RTP/AVP 0 8 3 101
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:3 GSM/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=silenceSupp:off - - - -
a=ptime:20
a=sendrecv
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