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05-03-2006, 02:09 AM | #1 |
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No Reponse to VM SUBSCRIBE message?
OK, quick background...
VM is working for me - calls get fowarded to VM on no answer by the SPA, and I get VMWI and stutter tone MWI when there's a VM. All Good. However, I noticed a fair amount of traffic, and a significant excess of outgoing SIP messages to incoming SIP messages, so I thought i'd throw a syslogger at the problem. What appears to be happening is that the SPA is trying to subscribe to VM, but getting no response to the subscribes. It sends 15 subscribes (or thereabouts) over 60 seconds, then waits 30 seconds before trying again. I imagine the voxalot servers don't appreciate this. However, usually in the middle of all this, voxalot nicely sends a notify - which the SPA acks. Have I stuffed up my SPA settings to cause this, or should voxalat be acking the subscribes? Is the problem that the call id in my sub requests is an internal IP addy (192.168.1.3) or is that a red herring? PM for account details if you want to debug - I've removed them from the syslog data. Code:
[0:5060]->71.13.117.133:5060 SUBSCRIBE sip:111111@voxalot.com SIP/2.0 Via: SIP/2.0/UDP my.external.ip.addy:5060;branch=z9hG4bK-d786e18d From: MyUserName <sip:111111@voxalot.com>;tag=c6a3dd958a4ab3eb To: MyUserName <sip:111111@voxalot.com> Call-ID: 943165d-f78391c3@192.168.1.3 CSeq: 56806 SUBSCRIBE Max-Forwards: 70 Authorization: Digest username="111111",realm="voxalot.com",nonce=" aHexEncodedNonce",uri="sip:111111@voxalot.com",algorithm=MD5,response ="aHexEncodedResponse" Contact: MyUserName <sip:111111@my.external.ip.addy:5060> Expires: 600 Event: message-summary User-Agent: Linksys/SPA3000-3.1.10(GWd) Content-Length: 0 Then, in the middle I get: Code:
[0:5060]<<71.13.117.133:5060 NOTIFY sip:111111@my.external.ip.addy:5060 SIP/2.0 Max-Forwards: 10 Record-Route: <sip:71.13.117.133;lr=on> Via: SIP/2.0/UDP 71.13.117.133;branch=z9hG4bKf9a4.c282f903.0 Via: SIP/2.0/UDP 71.13.117.133:44796;branch=z9hG4bK.51e9aaca;rport=44796;alias Via: SIP/2.0/UDP 71.13.117.133:5060 From: <sip:vmserver@voxalot.com> To: <sip:111111@voxalot.com> Contact: <sip:111111@71.13.117.133> Call-ID: aHexEncodedCallID@71.13.117.133 CSeq: 1 NOTIFY User-Agent: VoiceMail Event: message-summary Content-Type: application/simple-message-summary Content-Length: 81 P-hint: usrloc applied Messages-Waiting: no Message-Account: sip:111111@voxalot.com Voice-Message: 0/0 Code:
[0:5060]->71.13.117.133:5060 SIP/2.0 200 OK To: <sip:111111@voxalot.com>;tag=d64ff3f3f69f1819i0 From: <sip:vmserver@voxalot.com> Call-ID: aHexEncodedCallID@71.13.117.133 CSeq: 1 NOTIFY Via: SIP/2.0/UDP 71.13.117.133;branch=z9hG4bKf9a4.c282f903.0 Via: SIP/2.0/UDP 71.13.117.133:44796;branch=z9hG4bK.51e9aaca;rport=44796;alias Via: SIP/2.0/UDP 71.13.117.133:5060 Record-Route: <sip:71.13.117.133;lr=on> Server: Linksys/SPA3000-3.1.10(GWd) Content-Length: 0 Code:
[0:5060]->71.13.117.133:5060 SUBSCRIBE sip:111111@voxalot.com SIP/2.0 Via: SIP/2.0/UDP my.external.ip.addy:5060;branch=z9hG4bK-d786e18d From: MyUserName <sip:111111@voxalot.com>;tag=c6a3dd958a4ab3eb To: MyUserName <sip:111111@voxalot.com> Call-ID: 943165d-f78391c3@192.168.1.3 CSeq: 56806 SUBSCRIBE Max-Forwards: 70 Authorization: Digest username="111111",realm="voxalot.com",nonce=" aHexEncodedNonce",uri="sip:111111@voxalot.com",algorithm=MD5,response ="aHexEncodedResponse" Contact: MyUserName <sip:111111@my.external.ip.addy:5060> Expires: 600 Event: message-summary User-Agent: Linksys/SPA3000-3.1.10(GWd) Content-Length: 0 Then issues this message Code:
[0]SUBS:Failed(55). Retry in 30s |
05-03-2006, 03:20 AM | #2 |
Join Date: Feb 2006
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Thanks for the detail. If I recall correctly (I will check a bit later as I am currently offsite) the responses to the SUBSCRIBES are not immediate.
Let us look at this tonight (after the server move) and I will respond with our findings.
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Martin Please post support questions on the forum. Do not send PMs unless requested. |
05-03-2006, 03:40 AM | #3 | |
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Quote:
I'll probably still be working till around 22:00EST so feel free to get in touch... |
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05-03-2006, 04:39 AM | #4 |
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Just some more info
I syslogged the messages from a hard reboot, and noticed the following:
Code:
[0:5060]->71.13.117.133:5060 SUBSCRIBE sip:111111@voxalot.com SIP/2.0 Via: SIP/2.0/UDP my.external.ip.addy:5060;branch=z9hG4bK-81b87fd4 From: MyUserName <sip:111111@voxalot.com>;tag=69c2c5b71042d18a To: MyUserName <sip:111111@voxalot.com> Call-ID: 4e8276fb-78333116@192.168.1.3 CSeq: 29856 SUBSCRIBE Max-Forwards: 70 Contact: MyUserName <sip:111111@my.external.ip.addy:5060> Expires: 600 Event: message-summary User-Agent: Linksys/SPA3000-3.1.10(GWd) Content-Length: 0 Code:
[0:5060]<<71.13.117.133:5060 SIP/2.0 401 Unauthorized Via: SIP/2.0/UDP my.external.ip.addy:5060;branch=z9hG4bK-81b87fd4 From: MyUserName <sip:111111@voxalot.com>;tag=69c2c5b71042d18a To: MyUserName <sip:111111@voxalot.com>;tag=b27e1a1d33761e85846fc98f5f 3a7e58.c359 Call-ID: 4e8276fb-78333116@192.168.1.3 CSeq: 29856 SUBSCRIBE WWW-Authenticate: Digest realm="voxalot.com", nonce="nonce" Server: Sip EXpress router (0.9.4 (i386/linux)) Content-Length: 0 Warning: 392 71.13.117.133:5060 "Noisy feedback tells: pid=26492 req_src_ip=my .external.ip.addy req_src_port=5060 in_uri=sip:111111@voxalot.com out_uri=sip:111111@v oxalot.com via_cnt==1" Code:
[0:5060]->71.13.117.133:5060 SUBSCRIBE sip:111111@voxalot.com SIP/2.0 Via: SIP/2.0/UDP my.external.ip.addy:5060;branch=z9hG4bK-c02f4ba8 From: MyUserName <sip:111111@voxalot.com>;tag=69c2c5b71042d18a To: MyUserName <sip:111111@voxalot.com> Call-ID: 4e8276fb-78333116@192.168.1.3 CSeq: 29857 SUBSCRIBE Max-Forwards: 70 Authorization: Digest username="111111",realm="voxalot.com",nonce=" nonce",uri="sip:111111@voxalot.com",algorithm=MD5,response ="f34d4c9831f14ae84746c5a3b04e6e07" Contact: MyUserName <sip:111111@my.external.ip.addy:5060> Expires: 600 Event: message-summary User-Agent: Linksys/SPA3000-3.1.10(GWd) Content-Length: 0 |
05-03-2006, 12:10 PM | #5 | |
Join Date: Feb 2006
Posts: 2,930
Thanks: 528 Thanked 646 Times in 340 Posts |
Quote:
I just modified the SUBSCRIBE logic to return a 200 OK. The NOTIFY will still take up to 60secs to send after the 200 but let's see if the 200 at least keeps the ATA happy.
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Martin Please post support questions on the forum. Do not send PMs unless requested. |
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05-03-2006, 12:40 PM | #6 |
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Magic:
[0]SubOK. NextSub in 599 (1) My expires is currently set to 600. I'll bump it up to 43200 (12 hours). |
05-03-2006, 12:46 PM | #7 |
Join Date: Feb 2006
Posts: 2,930
Thanks: 528 Thanked 646 Times in 340 Posts |
Great!
Thanks again for the diagnostics. Certainly makes it easier for us to turn around the fixes.
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Martin Please post support questions on the forum. Do not send PMs unless requested. |
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