SNOM 320 - VoIP.ms Wiki

SNOM 320

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This article makes reference to the basic configuration for the SNOM 320 phone using a VoIP.ms account.

Snom320.jpg

Contents

Documentation:

User's manual

Configuration:

The initial configuration is very simple, you will need to plug the SNOM 320 phone to the internet source (modem, router), this will assign the phone with a IP address.

You can find the SNOM's IP Address by using the menu display on the phone.
The default login details are: Username: admin, Password: admin.

The SNOM configuration page should appear.

SNOM320 1.png

From the menu screen click on Setup -> Identity/Line 1.

Make sure to use your own credentials such as:

Username/SIP UserID (your six digit VoIP.ms sip number, or the sub account that you wish to register)
Password.
Preferred Server (The VoIP.ms server of your choice)

SNOM 2.png


Using the "Retrieve" Voice mail Key

In the 'Function Keys' page on the web-interface of your phone, select 'Speed Dial' as the type, in the 'Retrieve' row, 'Number' field, right next to the 'Type' field, enter *97

Also make sure your accounts/sub accounts does have the MWI active (Mailbox assigned)

Outgoing call issues in firmware version 8

Since firmware version 8 the phone is sending additional information in the SIP header which can cause SIP packets to exceed the maximum size of an IP packet that can be transmitted without fragmentation. Some routers or DSL lines cannot handle such large packets which causes the call to fail.

Depending on the MTU size your network components can process, in some cases large packets are required to be fragmented. You can find more information on how to solve this on SNOM's official wiki here http://wiki.snom.com/FAQ/How_to_solve_problems_with_outgoing_calls_in_firmware_version_8%3F

Some firmware versions of SNOM devices have all or several Audio Codecs enabled by default, this may overload the headers causing the INVITE to exceed 1518 bytes in size. To prevent this issue, try removing any codecs that are not supported by VoIP.ms. Go to Identity> RTP > Codec, and remove almost all the codecs from the test field leaving only pcmu, apply the change and reboot the phone.

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