I purchased a Cisco 7970 IP phone but it doesnt have the latest SIP firmware. I need help with installing the update to use as a Voip sip phone
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I am unable to give you the SIP firmware, provided you have the correct sip load (I can guide you to the correct place), It is my pleasure to help you If you are doing NAT, SIP registration may be bit tricky
I have the firmware with me. Currently i am working on the same kind of firmware conversion of cisco [url removed, login to view] is my pleasure to work with you.