MGCP & SIP – DTMF Frenemies

[su_pullquote align=”right”]NTE-CA MGCP RTP-NTE has two implementations, which are Call Agent (CA) Controlled and Gateway (GW) Controlled. In CA-controlled mode, CA will negotiate DTMF relay capabilities on behalf of the gateways (SDP messages are sent  to CA). This is required in a setup where the other GW/Endpoint is  non-MGCP. After negotiation, CA instructs the MGCP …

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VCAC Adding vSphere Resources using Proxy Agent

VCAC

VCAC can connect to a number of Endpoints. In this article we will go through how you can connect VCAC to vCenter and use resources discovered there. I should point out that this procedure can be used for your first vCenter or adding resources from additional vCenters. Adding a vCenter  requires a couple of things be …

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Permanent link to this article: https://tripplehelix.net/vcac-adding-vsphere-resources/

Cisco UC Vulnerable to POODLE Attacks

Angry Poodle Goes GRRRR

Another Day Another Vulnerability… It seems as though we can’t even make it one consecutive week now without another key protocol or system being breached and or exploited. I suppose this is the cost of having more and more people with access to systems. And generations being raised at the keyboard, mind you not complaining …

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Permanent link to this article: https://tripplehelix.net/cisco-uc-vulnerable-poodle-attacks/

SEO by Yoast + W3 Total Cache – A Troubled Relationship

SEO by Yoast + W3 Total Cache can lead to a rocky start

So I ran into a little issue with the above two plugins playing nice. Hopefully I can save some others the frustration and Googling I went through to resolve it. The Deets (for muh peeps) WordPress SEO by Yoast – Great SEO plugin does a ton of things automatically. Fantastic overall if you want to make …

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Permanent link to this article: https://tripplehelix.net/seo-yoast-w3-total-cache-troubled-relationship/

Dropbox + Git + Aptana Studio 3 = Amazing

Dropbox + Git + Aptana Studio 3 = Amazing

So I’m setting off to develop a little application. I figured from past experience the sooner I start myself off using a version control system of some sort the better. Not that I would ever have overwritten my work and lost hours of productivity. No, no I’m sure I’ve never done that… I’ve used Git in …

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Permanent link to this article: https://tripplehelix.net/dropbox-git-aptana-studio-3-amazing/

Cisco UC Shellshock Shocktober Update!

So by now you’re probably aware of the Shellshock BASH bug that is sweeping the interwebs and causing panic across the globe. Ok that might be an exaggeration but it is getting quite a bit of media attention. If somehow you are not aware of Shellshock here’s a good explanation from Ars Technica about it. For …

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Permanent link to this article: https://tripplehelix.net/cisco-uc-shellshock-shocktober-update/

CAPPS v8.0 Passed – Have Some Notes

So I should have posted these a while ago when I finished by CCNP Voice but better late than never here are some notes on the CAPPS 8.0 subject material.   Test blueprint https://learningnetwork.cisco.com/docs/DOC-8987 (CCO Required) Cisco Unity Connect – ~20k users Supports unified messaging (email, voicemail, fax via gui, tui, phone gui)   Single site deployment …

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TVoice 8.0 Passed – Have Some Notes

So I should have posted these a while ago when I finished by CCNP Voice but better late than never here are some notes on the TVoice 8.0 subject material. Test blueprint https://learningnetwork.cisco.com/docs/DOC-8990 (CCO Required) 4 Elements of CUCM Environment Call Agent  / CUCM Network Infrastructure Cisco Applications CUPS Unity Connections UCCX Voice Clients   Network …

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Permanent link to this article: https://tripplehelix.net/tvoice-passed-notes/

CIPT2 Passed – Have Some Notes

So I passed my CIPT2 test today. As many have mentioned know SAF and how it works, and know globalized call routing. Test blueprint can be found at https://learningnetwork.cisco.com/docs/DOC-8989. (CCO Required)   Multi-site Challenges Availability Issues Quality and BW issues Dial Plan Issues NAT / Security Issues   Quality Issues Packet by Packet Take Different Paths …

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Permanent link to this article: https://tripplehelix.net/cipt2-passed-notes/

CIPT1 Passed – Have Some Notes

So last Wednesday I passed my Cisco CIPT1 v 8.0 test bringing me 2/5 tests complete for my CCNP – Voice certification. Majority of the test like many have said pertains to media selection. So know your SW / HW media resources and MRG and MRGLs. Test blueprint can be found at https://learningnetwork.cisco.com/docs/DOC-8988. (CCO Required) Cisco …

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Permanent link to this article: https://tripplehelix.net/cipt1-passed-have-some-notes/