Concerns regarding Wireless Phones moving between CME and CUCM environments
We have a situation where the customer wants to carry the Cisco wireless phone (7925G-EX) between CME and CUCM environments. The CME and CUCM reside in two different sites with different extension rages and the two systems work independently (there is a SIP trunk between them).
So my question is,
If we setup this device on both systems with applicable extension etc, and if the phone was first used with CUCM and then taken in to CME environment, would it work without any issues as expected?.
I'm just thinking about the phone firmware side of things.. would it just download the firmware each time it goes from one place to the other? or is there any firmware that can support both worlds without having to download the firmware each time ?
Any answers or suggestions will be much appreciated.
They do have LAN to LAN connectivity. But the WAN is unreliable and that's why they keep separate boxes (CME and CUCM) at both ends so they can work independently. Therefore having two extensions is a requirement in our scenario. ( Although this is not ideal)
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