Tag : OpenVPN certificate

SIP Phones Over VPN Drop Audio One-Way

Posted August 3, 2015 by Andrew Martin & filed under Asterisk Users Comments: 0.

Tags: dedicated VoIP network, OpenVPN certificate, sip, sip phones, VPN, Yealink SIP phones

Running Asterisk 11 on CentOS 6.x using the DAHDI module with 8x PSTN analog phone lines for outside connectivity. Internally, I am using several models of Yealink SIP phones (e.g SIP-T32G) on a dedicated VoIP network, 192.1..

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