In a remote location of a customer, ISDN PRI link is not available for voice termination on the PSTN gateway router (3600/2600).
Can I choose a Channelized E1 (E1 R2) link for termination on the router, and get the PSTN gateway functionality? Can the same network module be used for E1-R2 signalling for voice connectivity? (NM-HDV-1E1 data sheet mentions support for E1-R2 /CAS signaling)
Are there any features of IP Telephony lost between an ISDN PRI line and E1-R2 line??
Re: PSTN gateway with NM-HDV for IP Telephony network
Yes, you can use E1 R2 for you PSTN connectivity. Currently, I have an installation with this kind of setup. I have a 3661 router with NM-HDV02E1 module installed with one E1 port connected to the PSTN. This setup is working.
ISDN PRI and E1 R2 have different signalling. But as far as our setup is concerned, we were able to perform everything. Outgoing calls, incoming calls, IDD/NDD functions, and fax are able to run.
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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 ...