Joshua Learn

This is a collection of my experiences around Cisco Collaboration. These technical notes are for me to look back on and jog my memory of my adventures in Collab. With any luck, they may be helpful for others too. (Your mileage may vary, this is not a replacement for official TAC support from Cisco and all the other usual disclaimers that go along with an unofficial tech blog.)

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Showing posts with label Voice. Show all posts
Showing posts with label Voice. Show all posts
Sunday, April 14, 2019

SIP Bindings on CME with an authenticatied SIP Trunk

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Let's say there is a Communications Manager Express and a PSTN SIP trunk to the telco that requires authentication.  How does CME bind S...
Thursday, March 21, 2019

B-channel selection for PRIs in a trunk group.

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Why doesn't the ISDN B-channel selection configuration work on my Cisco Voice Gateway? I had the PRIs in a trunk group and had the IOS...
Monday, February 11, 2019

Why can't I enter any voice commands?

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So you RMA'd your Cisco 4300 or 4400 ISR Voice Gateway and now it won't take any voice commands.  Here's how to get the voice li...
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Joshua Learn
Husband, Father, Guitar Hack, and Collaboration Engineer - CCIE 25717 Collaboration
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