Sx20 Throught Expressway E&C

Hi Team
we have created a collaboration edge sx20-cucm-expresswayC-expresswayE
The communication for now between EXPC and EXPE is tcp and not tls.We will install certificate at later on
Now Some questions:
1) i will install certificate from public ca into EXPE.And then what have to add(Certificates) between EXPC and EXPE to establish the tls connection?
2) I can call outside VCs from sx20 successfully but when i call from outside VC to sx20 through EXPE , the call going to sx20 and when i answer then the call drop.
Do you have any idea about the above?
/Chrysostomos

Chrys,
The transport protocol between expwe-e and c has to be TLS. The communication between the two has to be fully encrypted.
For the certificates, you need to install two certs on expwe and c..
1. The root CA certificate
2. Expwe and C certificates as server certs.
You need to generate CSR...
Generate CSR, send to CA to sign and use web and client server template
Upload cert as server certs.
Secondly on the issue you are having, it looks like you need to check your configuration. Looking at the logs the call is not matching the correct search rule. There is an auto generated rule that is configured when expressway-c does CUCM discovery. Even though this rule appears to be present, this call is not matching that rule..
Here is a sample trace..
Detail="Search rule 'CEtcp-10.21.30.51' did not match destination alias '[email protected]'"
Detail="Search rule 'CEtcp-10.24.35.51' did not match destination alias '[email protected]'"
Hence this call is then routed via a static rule you have defined..
Detail="Considering search rule 'Route to CUCM cluster' towards target 'to CUCM cluster' at priority '34' with alias '[email protected]'"
This is what a normal MRA search rule should look like..
Detail="Considering search rule 'CEtcp-uclabcucm-sub' towards target 'CEtcp-uclabcucm-sub' at priority '45' with alias 'uclabcucm-sub;transport=tcp;lr'"
From the logs this call doesn't proceed like a MRA call. You should check your configuration.
In any case the reason why this call is failing is because expressway-e sends an ACK to the 200 OK sent by expressway-c contains no SDP and the reason is because the original INVITE from sx20 to expwe doesn't have any SDP in it..
You should enable Early offer on the SIP profile, assigned to SX20.
Here is the original invite from expressway-e to c
SIPMSG:
|INVITE sip:[email protected] SIP/2.0
Via: SIP/2.0/TCP 10.24.60.60:7001;egress-zone=TraversalZone;branch=z9hG4bK8f364bb5e7476daa64cbc26c384f867e185.74d30421223a64a105b4ce8888d71c32;proxy-call-id=47008eee-6efa-46dd-b48d-62e57b2996fc;rport
Via: SIP/2.0/TCP 127.0.0.1;branch=z9hG4bK5f3c95e2e4dcdc9d7faa3f933a0f6737184
Call-ID: [email protected]
CSeq: 53699 INVITE
Contact: <sip:[email protected]>
From: <sip:[email protected]>;tag=f6d39a7b6cc30240
To: <sip:[email protected]>
Max-Forwards: 15
Record-Route: <sip:[email protected]:7001;transport=tcp;lr>
Allow: INVITE,ACK,BYE,CANCEL,INFO,REFER,NOTIFY
User-Agent: TANDBERG/4130 (X8.2.1)
Supported: com.tandberg.sdp.extensions.v1
Session-Expires: 1800
X-TAATag: def78012-00ee-49dc-854b-494a8414a3a8
Content-Length: 0
+++Here is the 200 OK sent to expressway-e+++
2014-10-03T07:49:54+00:00 vcsc tvcs: UTCTime="2014-10-03 07:49:54,356" Module="network.sip" Level="DEBUG": Action="Sent" Local-ip="10.24.35.60" Local-port="27900" Dst-ip="10.24.60.60" Dst-port="7001" Msg-Hash="11774566367986258095"
SIPMSG:
|SIP/2.0 200 OK
Via: SIP/2.0/TCP 10.24.60.60:7001;egress-zone=TraversalZone;branch=z9hG4bK8f364bb5e7476daa64cbc26c384f867e185.74d30421223a64a105b4ce8888d71c32;proxy-call-id=47008eee-6efa-46dd-b48d-62e57b2996fc;received=10.24.60.60;rport=7001;ingress-zone=Traversalzone,SIP/2.0/TCP 127.0.0.1;branch=z9hG4bK5f3c95e2e4dcdc9d7faa3f933a0f6737184
Call-ID: [email protected]
CSeq: 53699 INVITE
Remote-Party-ID: "Video Conference" <sip:[email protected]>;party=called;screen=yes;privacy=off
Contact: <sip:[email protected]:5080;transport=tcp>
From: <sip:[email protected]>;tag=f6d39a7b6cc30240
To: <sip:[email protected]>;tag=2579360~91cc1d91-667d-4372-90da-1c05eb2a8169-35190722
Record-Route: <sip:[email protected]:5060;transport=tcp;lr>,<sip:[email protected]:5060;transport=tcp;lr>,<sip:[email protected]:7001;transport=tcp;lr>
Allow: INVITE,OPTIONS,INFO,BYE,CANCEL,ACK,PRACK,UPDATE,REFER,SUBSCRIBE,NOTIFY
Date: Fri, 03 Oct 2014 07:49:47 GMT
Supported: replaces
Supported: X-cisco-srtp-fallback
Supported: Geolocation
Require: timer
Session-Expires: 1800;refresher=uas
P-Asserted-Identity: "Video Conference" <sip:[email protected]>
Allow-Events: presence
Content-Type: application/sdp
Content-Length: 2322
v=0
o=CiscoSystemsCCM-SIP 2579360 1 IN IP4 10.24.35.51
s=SIP Call
c=IN IP4 10.24.35.60
b=AS:6000
t=0 0
m=audio 36462 RTP/AVP 108 9 104 105 0 8 15 18 101
+++Here is the ACK from expressway-e..It has no SDP++++
2014-10-03T07:49:54+00:00 vcsc tvcs: UTCTime="2014-10-03 07:49:54,466" Module="network.sip" Level="DEBUG": Action="Received" Local-ip="10.24.35.60" Local-port="27900" Src-ip="10.24.60.60" Src-port="7001" Msg-Hash="4202547894220715907"
SIPMSG:
|ACK sip:[email protected]:5080;transport=tcp SIP/2.0
Via: SIP/2.0/TCP 10.24.60.60:7001;egress-zone=TraversalZone;branch=z9hG4bKcf9e2914d572721747e9a7e386ecb5e6188.74d30421223a64a105b4ce8888d71c32;proxy-call-id=47008eee-6efa-46dd-b48d-62e57b2996fc;rport
Via: SIP/2.0/TCP 127.0.0.1;branch=z9hG4bK55e8fd88bc5667769422dfdc7309d6a9186
Call-ID: [email protected]
CSeq: 53699 ACK
From: <sip:[email protected]>;tag=f6d39a7b6cc30240
To: <sip:[email protected]>;tag=2579360~91cc1d91-667d-4372-90da-1c05eb2a8169-35190722
Max-Forwards: 69
Route: <sip:[email protected]:5060;transport=tcp;lr>
Route: <sip:[email protected]:5060;transport=tcp;lr>
User-Agent: TANDBERG/4130 (X8.2.1)
Content-Length: 0
+++Immediately expressway-c drops the call+++
2014-10-03T07:49:54+00:00 vcsc tvcs: UTCTime="2014-10-03 07:49:54,467" Module="network.sip" Level="DEBUG": Action="Received" Local-ip="10.24.35.60" Local-port="27900" Src-ip="10.24.60.60" Src-port="7001" Msg-Hash="16036269070281652568"
SIPMSG:
|BYE sip:[email protected]:5080;transport=tcp SIP/2.0
Via: SIP/2.0/TCP 10.24.60.60:7001;egress-zone=TraversalZone;branch=z9hG4bK53734d656c62c35661d890ade77bb676189.74d30421223a64a105b4ce8888d71c32;proxy-call-id=47008eee-6efa-46dd-b48d-62e57b2996fc;rport
Via: SIP/2.0/TCP 127.0.0.1;branch=z9hG4bK684d4b4e2f573812858bf49ac87f1675187
Call-ID: [email protected]
CSeq: 53700 BYE
From: <sip:[email protected]>;tag=f6d39a7b6cc30240
To: <sip:[email protected]>;tag=2579360~91cc1d91-667d-4372-90da-1c05eb2a8169-35190722
Max-Forwards: 69
Route: <sip:[email protected]:5060;transport=tcp;lr>
Route: <sip:[email protected]:5060;transport=tcp;lr>
User-Agent: TANDBERG/4130 (X8.2.1)
Content-Length: 0

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This being said
Based on my findings, I believe Cisco now supports multi-domain setup for IM&P with the "caveat" federation still doesn't work. My customer is not happy with this but still would like to proceed with the rest of the benefits that MRA brings to the table for their Jabber deployment.
To support the above scenario it is my understanding I need to make an adjustment to the configuration of IM&P. As I stated when I opened the case my customer’s current IM&P domain is “example.root.local” their JID is made up of [email protected]. It’s my understanding we cannot use this domain and activate MRA so we need to adjust everyone’s JID to be a Publicly routable DNS name. Since everyone that has a JABBER account also has an email account I was thinking we map the JID to the email. I’m trying to understand how to get from where we are to where we need to be. I found this guide but it doesn’t talk about the effects of doing this on a live system setup the way my customer is setup.
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/im_presence/interdomain_federation/10_5_1/CUP0_BK_I07B7052_00_integration-guide-interdomain-federation-105/CUP0_BK_I07B7052_00_integration-guide-interdomain-federation-105_chapter_01100.html
I am also not certain this is the setting I’m looking for. I believe what I need to change is actually on the Presence server under the domains section I found this
Domains Configuration
Use the controls on this window to view and edit domains managed by the IM and Presence Service. Previously, the IM and Presence Service supported a single domain. With this release, you can specify multiple domains.
Before You Begin
To take advantage of multiple IM and Presence Service domains, you must choose Directory URI as the IM address scheme on the Advanced Presence Settings window. If the IM address scheme is set to UserID@domain, the default domain is used for the IM and Presence Service. The status of the IM Address Scheme setting is displayed at the top of the window in the Status box. The Status box contains a link to the Advanced Presence Settings window.
Is this what I need to do?

How to make a communication of two VIs from difference computers throught VI server?

how to make a communication of two VIs from difference computers throught VI server?
I have built the program which is attached at below. But it doesn't work. Can any one help me?
Attachments:
panel5.vi ‏82 KB

Hi Barry,
What do you mean "it doesn't work"? What kind of errors are you seeing? Also, you only specified the file name (data.vi) when opening a VI reference. Try specifying the whole path to the VI. Also, you might want to make sure you are able to ping your other computer from the start (to see if this is a LabVIEW issue or a network issue).
Hope this helps,
Travis H.
LabVIEW R&D
National Instruments

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How can I get my money back? and please take him down of your page as we (users) think that we are buying products that worked backed up by MAC.
Looking forward for an answer in order to keep buying in APP Store

This article may clear up some confusion you may have regarding third party developers and Apple.
The Mac App Store Discussion, what is it for?

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Sx20 Throught Expressway E&C

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