# Polly: Polyhedral Phone Call

There are irregular phone calls to discuss polyhedral topics and related projects. For this we use a conference service that can be reached both through SIP clients and international dial in numbers.

- VoIP/SIP: sip:000777polyhedral@iptel.org
  Ekiga is a SIP client that works well for most of us.
- Traditional Dailin Numbers:
  To use your normal land line phone to connect to the conference dial one of the many available dial in numbers. When asked for the number to connect type: *011497659.
  Attention: Some of the dial in numbers do not work reliable. If you are not asked for the number you want to connect to after a couple of seconds, just try another one.
  Some selected dial in numbers:
  - USA: +1-443-524-7370, +1-702-553-2797
  - UK: +44-151-601-8747, +44-115-871-8347
  - Belgium: +32-4-2680133, +32-9-2980106