I´m a noob with the ip telephony world, I´m wondering if someone could guide me with some recomendations.
I usually work with security.
I´m trying to design an ip telephony network where I work for.
Today we are using an old PBX, that we are renting. we had 154 analog lines, 33 digital lines and 3 faxes with independent lines.
The switches that we us are 5 smb cisco switches (SG300) without PoE capabilities. and our Gateway is an ASA 5520 (firmware 8.2). According to this devices documentation they support VoIP.
What are the best equipments that fits our needs? We want to replace all the 187 phones that we already had (AVAYAs) but not all at the same time because of the financial balances. Is there a solution that can help us maintain those phones for a limited of time as we gradually replace them?
Hope you can help me with this.
I'm preparing myself for the CCNA Voice exam, but haven´t read so much yet.
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The short answer is that you don't.... That isn't entirely true while at
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Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...