Tag Archives: dialing problems

How to Make a Tandberg call the Polycom IP##extension Format

Dialing drives me crazy! I’ve said that before. I’ve noticed that it’s the Read Around the Planet test calls time of year when I get the most frustrated about it. So, it’s a breath of fresh air to figure out another piece of the dialing puzzle.

Here’s what I learned that is helping me so far.

I have a Tandberg MCU, and haven’t been able to get it to dial any Polycom IP## formats. But here’s what I learned that works:

Polycom Endpoints

If the IP## format is an endpoint that is behind the Polycom firewall traversal unit (used to be called V2IU and is now called a VBP: Video Border Proxy), then you can use this format:

  • alias@IP

Polycom Bridges: MGC / RMX

If the Polycom bridge is registered to a gatekeeper (i.e. CMA or an older gatekeeper), then you dial:

  • alias@ the IP of the gatekeeper (NOT the bridge!)

If the Polycom bridge isn’t installed with a gatekeeper, then you can only dial in and use the DTMF tones (if the MCU has the entry queue set to default).

What I Still Don’t Know

  • I’m still not sure if the Tandberg endpoints can do this. If anyone knows, please comment and enlighten us all!

Please comment

This dialing mess is something we all have to deal with. If you have additional information, please comment. Be sure to read the comments on this post also to get any updated new information.