SNOM IP Phone

SNOM IP Phones

The video image of the IP Video Door Station can be displayed on a Snom IP phone display. Following possibilities can be realized:

Manual video image. The video image of the IP Video Door Station can be activated and ended by key press.
Pop up video image. The video image of IP Video Door Station is shown automatically on an incoming call and end automatically when the communication is finished.

Conditions for displaying a video image by an incoming call:

Compatible Snom phone (models 820, 821, 760)
Registration on an AlphaCom, PULSE server or SIP-server.
Snom firmware must be version 8.7.4.5t.

AlphaCom configuration

The Snom phone must be configured as a SIP User in AlphaPro, Users & Stations. See article SIP phone as station for details.

Firmware update of Snom phone

The firmware of the Snom phone must be uploaded using a TFTP server. Upgrade procedure:

Download the software 8.7.4.5t from the AlphaWiki download site
Unzip the file. Remember in which folder you stored the file
Start a TFTP server, and browse to the folder which contains the file
In the Snom webinterface, select Software Update and enter address tftp://[TFTPServer]/[file name], where [TFTPServer] = IP address of PC running the TFTP server and [file name] is the name of the downloaded .bin file. Example: tftp://10.5.101.129/snom821-8.7.4.5t-SIP-r.bin.
Select Load, and watch the progress on the display of the Snom phone

Starting the software upgrade process

Network and SIP account in Snom phone

Factory default of the phone is done from the phones keyboard by pressing:

The button Menu
5 - Maintenance
4 - Reset Values
Enter default password 0000. The phone will restart.

Follow the display setup wizard to set:

Language
Time Zone
Tone scheme
SIP Account = Directory number in AlphaCom
Registrar = IP address of AlphaCom
Select DHCP or enter IP settings of phone

The phone must be rebooted after this.

SIP account settings can be changed in Identity 1 in web access. IP settings are changed in Advanced -> Network.

Codec settings

Codec must be changed to G.711u-law (pcmu) and the internal "telphone event".

In Identity 1 -> RTP, set the codec to: "pcmu,telephone-event", remove all other codecs:

Set the codec to: "pcmu,telephone-event"

Pop up video image

The screen display in the XML-Mini-Browser of Snom IP phones can be started and ended automatically. The following settings are necessary.

Configuration in Snom Phone

Firmware version 8.7.4.5t-SIP-r for the Snom phones 820, 821, 760 is required to get video pop up.

The IP Video Door Station(s) must be defined in the Directory of the Snom phone.

In the web interface of the phone, select Directory in the menu, and enter the following parameters:

Number: The directory number of the IP Video Door Station, as entered in AlphaPro, Users & Stations.
Title: Enter any text
Action URL: http://<IP adress of the camera>/snoma.cgi. For example http://10.5.101.97/snoma.cgi
Nickname: Enter any text

Configure the IP Video Door station in the Directory list of the Snom phone

Set "Call Waiting Indication" to "Off":

Set "Call Waiting Indication" to "Off"

Set SIP port to 5060:

Set SIP port to 5060

Disable "Filter packets from Registrar":

Disable "Filter packets from Registrar"

Configuration of the camera

In the camera the authentication for the image/video display has to be deactivated. Log on to the camera (default username: admin, password: 1234). Under System Settings->Network->System, change the "Authentication required for Picture/Video" to "No".

Select System Settings, then Network.

Switch off the authentication.

Set the resolution to match the video display of the Snom phone, 320 x 240 pixels:

Set resolution to QVGA 320 x 240.

Operating the Door Opening relay

During conversation with the IP Video Door Station the integrated relay of the door station can be operated by pressing digit 6 on the Snom phone. The Snom phone uses DTMF by RFC2833 by default, which is supported by AlphaCom, so no settings are required in the phone.

In AlphaCom the relay must be mapped to a logical RCO, and an "Door Opening" event created to trigger this RCO.

To map a logical RCO to the relay of the IP Station, select Exchange & System -> RCO. Pick a free RCO, select Change and set the RCO Type = Station, enter the physical number of the IP Station, and set pin number = 1. In the example below the relay of IP Video Door station 48 (directory number 148) is mapped to RCO 11.

Logical RCO 11 is mapped to the relay of station 48

Create a "Door Opening" event with the IP Video Door Station as the event owner. Select Exchange & System -> Events, and Insert a new event with the following properties:

During conversation with the door station (148), pressing digit 6 will trigger the relay (RCO 11)

For connection details, see article: IP Station Board Connections and Indications

Manual video image (Optional)

The video image of the IP Video Door Station in the Snom IP phones can be started and ended manually by pressing a function key. With this feature the video image can be displayed without setting up a conversation.

Configuration of the Snom phone

In the web interface of the phone, select Function Keys in the menu, and enter the following parameters:

Context: Active
Type: Action URL
Number: http://<IP adress of the camera>/snoma.cgi. For example http://10.5.101.97/snoma.cgi
Short text: Enter any text

Pressing function key 1 will start the video image from camera 10.5.101.97

How to use

Start video image: The video image is started by pressing the programmed key.
End video image: The video image is ended by pressing the "X-key".

Authentication

If the access of the camera is to be password protected, the following adjustments are necessary.

Configuration of the Snom phone