Author: Scott Beer

Remote IP Phone Security Using VPN

Using VPN (IP-Sec) is a completely different way to provide a secure VoIP solution. Using already well-established encryption tunnel technologies, a secure tunnel is created between the remote phone and the IP‑PBX. In this example, the IP‑PBX resides behind a typical network firewall. The firewall is the border element between the Internet and LAN. The

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Remote IP Phone Security with SBCs

[su_row] [su_column size=”1/2″] A remote phone deployment is completely different than SIP trunking. Remote phones are dynamic in location, and require significantly more calling features. Remote phones cannot be considered as peers, since phones register for services and change IP addresses often across multiple devices and locations. [/su_column] [su_column size=”1/2″] [/su_column] [/su_row] Remote phones require

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Remote IP Phone Security with Firewalls

[su_row] [su_column size=”1/2″] A remote phone deployment in branch offices or work-at-home employees is completely different than SIP trunking. Remote phones are dynamic in location, and require significantly more calling features. Remote phones cannot be considered as peers, as phones register for services and change IP addresses often, across multiple devices and locations. [/su_column] [su_column

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SIP Trunk Security with Session Border Controllers

[su_row] [su_column size=”1/2″] As discussed in my previous blog, SIP trunking is often a peer-to-peer connection for the primary use of delivering PSTN connectivity over VoIP, and is delivered over a couple of different methods using ITSPs and Managed Service Providers. [/su_column] [su_column size=”1/2″] [/su_column] [/su_row] In this blog, I’ll be addressing a Session Border

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SIP Trunk Security with Firewalls

[su_row] [su_column size=”1/2″] SIP Trunking is often a peer-to-peer connection for the primary use of delivering PSTN connectivity over VoIP. SIP Trunking is delivered over a couple of different methods: Internet Telephony Service Providers (ITSP) Deliver SIP Trunking over the Internet [/su_column] [su_column size=”1/2″] [/su_column] [/su_row] Managed Service Providers (MSP) Deliver SIP Trunking over the

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