So, thanks for the help Balaji, but I posted this query in the middle of the night and then woke up ...

Hi all, I am somewhat of a Cisco switching beginner, but have inherited a network that contains a sw...

Hey everyone, So, I figured this one out.. I ran a packet trace and found that the ports the phone c...

Hi Deepak, Thanks for that, but unfortunately it still does not work. The softphone is still stating...

Hopefully I can bump this to see if anyone else has any ideas as we are still experiencing the issue...

Hi Paul, I amended the VLAN as you mentioned and the guest wi-fi lost internet connection. Plus he s...

Hi Paul, Sorry about the delayed reply - for some reason I didn't get notified of your comment. Anyw...

Hi everyone, I wonder if you can help me? We have several users running the MiCollab Softphone softw...

And just so everyone knows: the other port I needed to allow was tcp 443. So tcp 3389 and 443 are op...

Cool thanks, mate. I already tried the following ports: 135445339155048853389 I'll try a few more fr...

Okay.... I've got it working (with a small caveat). Turns out the ACL on my guest VLAN was to blame....

Thanks again, JC, I believe we're getting closer to a solution! Before enabling ICMP I tried connect...

Thanks again, JC, I believe we're getting closer to a solution! Before enabling ICMP I tried connect...

Hey Jean-Christophe, That did clarify things a bit - thank you.. I have now updated the running conf...

Sorry for being such a beginner, but I'm not sure how I can enable DNS in the way that you are descr...