Extron electronics DMP 128 Plus User Manual page 85

Transport
Figure 59. VoIP Network Transport Tab
Transport radio buttons — Select UDP (default), TCP, or TLS transport protocols.
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NOTE: When TLS is selected, the listening port changes from 5060 to 5061. The listening port can be
manually adjusted.
Use Secure RTP (AES CTR) checkbox — Check the box to encrypt RTP audio streams using the AES CTR
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cipher.
TLS Mode drop-down list — Select Always Allow or Always Verify TLS modes.
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NOTE: This option is only available when TLS is selected as the transport protocol.
Local Mode drop-down list — Choose a default local certificate or upload a custom local certificate to the
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DMP 128 Plus. When the default certificate is selected, click Generate to force the DMP 128 Plus to self-
generate a new local certificate and private key. Self-generated certificates can be exported by clicking the
Export button.
NOTE: Certificates and private keys must be in the Privacy Enhanced Mail (PEM) format. The certificate
filename cannot be longer than 32 characters, including the .pem extension.
Local Cert and Private Key— If Upload is selected for Local Mode (
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certificate or private key on the host PC. Click Import to commit this certificate or key to the DMP 128 Plus.
Click Export to save the current local certificate or key to the default download directory of the web browser
on the host PC.
Server Certs — Displays up to eight server certificates that can be stored on the DMP 128 Plus at any one
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time. Following buttons are available:
• Add Cert — Click to add a server certificate to the system.
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Add CA — Click to add a Certificate Authority certificate to the system.
• Remove — Highlight a listed certificate and click this button to remove it from the system.
Apply button — Click to save and apply the changes.
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), click the Browse button to locate a
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DMP 128 Plus • Internal Web Page 78