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This article is meant to assist you in connecting Snom devices with VoipNow using TLS protocol.

Requirements

Before you start, make sure you have the following:

• The latest VoipNow version (3.0.0 or newer)
• At least a Snom 320 phone device

Step-by-step guide

Set Up the Server

On the VoipNow server or on the SIP node (if you have a distributed system) do the following:

STEP 1: Open /etc/kamailio/kamailio.cfg

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If it's set to 0, it means Kamailio will not verify the certificate with a CA. If this is what you want, you can start setting up the phone. Otherwise, continue with the next step 

STEP 3: Under the line below:

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At this point, the server setup is complete.

Set

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up the

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phone

STEP 1: In the web interface of your Snom phone device, add new details related to your account (user, password, proxy, etc) as indicated below:

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TLS: Warning: Certificate with subject Country: US; State: Florida; Locality ; Organization: 4PSA; Common Name: ; eMail:   has expired according to the local time of the phone.
TLS: Warning: Certificate clash. Certificate with subject Country: US; State: Florida; Locality ; Organization: 4PSA; Common Name: ; eMail:   is not trusted.Different server certificate with same subject exists on the phone.
TLS: Refusing TLS connection. Invalid or unknown Certificate received

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