Phones

We have various phones dotted around the Hackspace. Feel free to use and interact with the phones. Usage is documented below.

Hot Hackspace Members are waiting to talk to YOU!

Inbound Calls

Our telephone number is 020 3422 0547. It's managed by the Voice-Over-IP automated system and provides pre-recorded information about the Hackspace.

When you dial the telephone number, you are greeted with a menu for the following items.

IVR Option	Description
1	General Information
2	Travel Information

Internal Extensions

You can dial any of the extensions from another extension in the Hackspace. Just dial the extension number.

Extension Number	Location	Model	MAC Address	Additional Information
6013	3D Printing Phone	Cisco 7942	3C:CE:73:AC:D2:29	-
6021	Ground Floor Cage	GAI-Tronics Commander	00:1C:58:A2:50:0A	Outdoor Phones
6022	Ground Floor Car Park	GAI-Tronics Titan for Rail	00:1C:58:A2:50:0A	Outdoor Phones
6111	1st Floor Kitchen	Cisco 7970	00:07:0E:57:06:BE	-
6112	1st Floor Prototyping	Cisco 7970	00:1B:D4:32:CF:BD	-	6112	1st Floor Radio Room	Cisco 7942	3C:CE:73:59:C4:C4	-

Internal Ring Groups

Its all possible to ring a group of extensions simultaneously. Ring groups should be in the format 70XX

Number	Ring Group
7000	Ring All
7001	Ring Ground Floor
7002	Ring 1st Floor

N.B. The Car Park phone is not in any ring group, to avoid the general public answering internal calls.

Internal Feature Codes

There are several internal feature codes. These can be dialled from any phone. Hopefully this list will grow in future.

Network Numbers

Network numbers are usually boring numbers that are useful for support or troubleshooting. They usually begin with a 1.

Code	Name	Description
100	Operator	Accesses the same help menu as the external telephone number.
152	Echo Test	Echos back all audio. Good for testing phones.
155	Hello World	Plays "Hello World" several times and then hangs up.

Special Numbers

Special Numbers are for more advanced features. They start with 77.

Code	Name	Description
7777	Broadcast / Page Call	Allows you to Broadcast your speech around the Hackspace. Listen to the instructions.

Outbound Calls

Outbound calls to chargeable numbers are blocked, however its possible to dial Free and Emergency numbers. See below for details.

Freephone Numbers

Calls to 0800 and 0500 Freephone numbers are permitted.

Emergency Numbers

Outbound calls to the Emergency Services and Single Non-Emergency Numbers such as 101 are supported. However, as with all VoIP systems its strongly recommended that you use a fixed line or mobile phone where available. In the event of an internet or power outage, outbound calls will not work.

Peered Networks

The Hackspace Phone system is peered (connected) with other networks via SIP. If you wish to peer with other networks such as other Hackspaces, contact a maintainer.

When dialling a peered network, enter the required prefix followed by hash, then dial the number you wish to call.

E.G 1001#5470

N.B: Coming Soon

Security

Currently all calls are unencrypted.