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The Phone Operation Center (POC) is the telephone exchange of the congress. Sascha Ludwig and Martin Assenmacher are responsible for the POC.

The POC will provide the telephone system (Alcatel OmniPCX 4400) and some DECT Handsets, too. Additionally they will bring cable bound phones, which will be connected via the CAT5 cable system of the BCC. Everybody can bring his own DECT/GAP compatible phone, which will be entered into the system. You will get your own direct dialing number.

There is a list of phones which are known to be incompatible with the POC-Network in the Eventphone-Wiki as well as phones which are known to work. Better check in advance if you have to get another phone.

The POC Help Desk can be found in C02 right next to the NOC-Helpdesk.



Please register your DECT, analog and ISDN extensions in advance by using the GenericUserRegistrationUtility (Guru). This will speed up the registration progress at the congress. All registered extensions will automatically show up in the phonebook. To get the phonebook as ASCII try out this script.

Dial-In via German landline

To call somebody on the Congress just dial: 069 17 30 905 XXXX (replace XXXX with the extension you want to call)

  • Hint: This landline number is resolveable into the direct VoIP accounts using ENUM (e164.arpa)! International format is: +49 69 17 30 905 XXXX
  • Rooms 1..4 (Ext. 8001..8004) are now also available to Dial-In listeners (not via ENUM)

SIP/IAX Server-Settings

Server: 23c3.eventphone.de
Username: YourSIP or IAX number
Password: look it up in the GenericUserRegistrationUtility (Guru)

You have to activate your account at the POC before you can use it.

All DECT-phones are reachable via sip:XXXX@23c3.eventphone.de

Detailed Howtos

Worldwide dial out

just dial 0 <country code><area prefix without leading zero><number>

e.g. to call the BVG dial 0 49 30 19449

to place a national call you may also dial:

0 <area prefix with leading zero><number> 0 030 19449 (just like in the good old PBXs :-) )

More information can be found here: wikipedia:Eventphone

Phone calls to international handys and some countries like Argentina seems not to work.

Some specials

At the moment we have to figure out the coherent dialplan. but we can provide from now. the sip urls

Name Provider Description URL SIP 23C3 Exten. PSTN
podphone Sascha Ludwig record audiomessages via phone/sip and publish via rss podcast format.http://podphone.dedial-details8338+49 40 414 317 794

Special numbers

I couldn't find any 'special numbers' in this wiki, so I checked some 'special number's from last year. These work for me:

8001: Saal 1

8002: Saal 2

8003: Saal 3

8004: Saal 4

2088: labyrinth

2091: menschenrechte

8123: PoC menu

8124: music/lorem ipsum

8126: music

8127: Conference test

8129: echo test

8330: erna

8463: time
 Runs 3 minutes late

8666: sexline

8765: fortune

98: villa


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