I have a 1750 router with fxs analog phones connected in a branch office.(centralized CM design) If I try to call between the analog fxs and an ip phone on the local ethernet segment, I only get one way audio.
If I call the fxs extension from any other location, it works fine. If I call one of the ip phones from another location, if works fine.
It seems to be an issue of how the local router creates the stream from the FXS back to the IP phone.
I'm using the H323 bind command referencing a
loopback address but I'm wondering if the router is sourcing the FXS rtp stream from the wrong interface.
Yes, the h323-gateway bind command is exactly what you need to do to fix the problem you describe. Is it possible that before you had implemented that command, you had already created an H.323 gateway in CallManager that pointed to one of the "real" IP addresses on the router, and that is still where you are routing the calls in the CallManager route pattern? If so, that is the problem.
I am assuming that the gateway is configured in H.323 mode and that you have not issued the following command on the Ethernet interface
h323-gateway voip bind srcaddr ipaddressofh323phone
Once you do this, the router will use the address you specify as source address for h.323 calls. After you make secondary addresses on the ethernet interfaces for callmanager to use for the analog h.323 phones you are configuring on the gateway, bind the srcaddr to one of those addresses and all should work fine...
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The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
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 ...