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SIP: Internal Error on Inbound Calls

jerold.baker
Level 1
Level 1

*Jul 27 17:26:14.090: %VOICE_IEC-3-GW: SIP: Internal Error (INVITE, invalid IE content): IEC=1.1.100.7.35.1 on callID -1

 

Having an issue where calls inbound from the provider are failing on the CUBE with the error above.  This is new behavior that was not happening before.  As far as I know there have been no changes on the CUBE and the Firewall guys are telling me they made no changes.  Look at the logs below and let me know what you think.  Thanks in advance.

 

(These IPs are modified for public posting)

The Providers signaling address is 1.1.1.1

My public outside address is 2.2.2.2

The public outside is NAT’ed to 3.3.3.3 (Gi0/0 on the CUBE)

 

The invite comes in from the provider via the firewall like this:

Received:

INVITE sip:01707245311@2.2.2.2;user=phone SIP/2.0

Max-Forwards: 69

Session-Expires: 3600;refresher=uac

Min-SE: 600

Supported: timer, 100rel

To: <sip:01707245311@1.1.1.1:5060;user=phone>

From: <sip:+14123787719@1.1.1.1>;tag=94gdrrh9r

P-Asserted-Identity: <sip:+14123787719@1.1.1.1;user=phone>

Call-ID: 14918063-3647002470-287476@MSX62.SipProvider.com

CSeq: 1 INVITE

Allow: PUBLISH,MESSAGE,UPDATE,PRACK,SUBSCRIBE,REFER,INFO,NOTIFY,REGISTER,OPTIONS,BYE,INVITE,ACK,CANCEL

Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4829443535aaed05d29650dcdfdc2a15

Contact: <sip:+14123787719@1.1.1.1:5060>

Content-Type: application/sdp

Accept: application/sdp

Content-Length: 211

 

The CUBE logs this error:

*Jul 27 17:26:14.090: %VOICE_IEC-3-GW: SIP: Internal Error (INVITE, invalid IE content): IEC=1.1.100.7.35.1 on callID -1

 

Then the CUBE sends this:

Sent:

SIP/2.0 400 Bad Request - 'Invalid Host'

Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4829443535aaed05d29650dcdfdc2a15

From: <sip:+14123787719@1.1.1.1>;tag=94gdrrh9r

To: <sip:01707245311@1.1.1.1:5060;user=phone>;tag=237DAD70-1885

Date: Mon, 27 Jul 2015 16:08:43 GMT

Call-ID: 14918063-3647002470-287476@MSX62.SipProvider.com

CSeq: 1 INVITE

Allow-Events: telephone-event

Reason: Q.850;cause=100

Server: Cisco-SIPGateway/IOS-15.4.3.M1

Content-Length: 0

 

What I think (or what I thought) was that the Request-URI Host Part of 2.2.2.2.  So I wrote this SIP Profile and applied it to the inbound dial peer.  There was no change.

 

voice class sip-profiles 2

 request INVITE sip-header SIP-Req-URI modify "(.*:)(.*@)(2.2.2.2)" "\1\23.3.3.3"

 

dial-peer voice 10 voip

 description INCOMING PSTN dial peer

 translation-profile incoming PSTN_INBOUND

 session protocol sipv2

 incoming called-number .

 voice-class codec 1

 voice-class sip early-offer forced

 voice-class sip profiles 2

 voice-class sip bind control source-interface GigabitEthernet0/0

 voice-class sip bind media source-interface GigabitEthernet0/0

 dtmf-relay rtp-nte

5 Replies 5

Hi,

It could be some call are matching Dial-Peer 0 or a wrong dial-peer.

Could you please send the result of those command:

Debug voice ccapi inout

debug voice dialpeer inout

 

Regards

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LinkedIn Profile: do.linkedin.com/in/leosalcie

Just adding to what Leo has requested, if possible, could you please post the current config  as well?

Regards

All, Thanks for the help.  Turns out the issue was caused by the Firewall team messing with SIP Inspect.  

Dennis, were right.  I left the SDP out of what I had posted here.

thanks for letting us know what it was, and thx for the ratings

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That error message is very generic:

 

INVITE with either invalid header contents, SDP, or VIA parameters was received.

 

I also noticed there is no SDP in the INVITE that you added in your original post, is this because your provider is using Delayed offer, or did you not past all the invite contents in?

 

cheers

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