Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
Hello all:I have a Cisco 7942G phone running SIP firmware version 8-3-2. I cannot, for the life of me, get the phone to load the latest version of the firmware 9-2-1. I have my environment setup correctly as I was able to load up version 8-3-2 with n...
Hello all:I have a Cisco 7942G IP phone running SIP firmware version SIP42.8-3-2S. I have been trying to get the phone to register to various 3rd party SIP telephony service providers, and I keep running into a wall with NAT issues. In simple terms, ...
The only NAT option on the phone is true/false and then you need to specify xxx.xxx.xxx.xxxThis is not helpful because as I mentioned above, it is a multi-tenancy enviornment, and I have no control of the router. I can't port forward SIP to the phone...
How is it possible that my SPA500 series and WIP310 register and work with no problems behind this router. I'm wondering if there are NAT-transversal features on these newer phones that the 7900 series doesn't have?
As far as I'm concerned no, but you can get some insight if you look up the Fax TCL script under the Cisco IOS documentation "features" for the version you are using.
is this CIPC connecting over a VPN? if so, you need to make sure you can access both the data and voice vlans in your router from the computer the CIPC is installed in...If my assumption is right, you should not be able to access the 'services' secti...