1 has the latest firmware the other has.132. phone one will not answer when the handset is picked up have to press the line key, the second phone hangs when dialing a call you can hear it ring 2 times then nothing. faulty phones? nothing has changed they used to work.
please fill in the gaps…
- what system are the phones connected to?
- what type of call - is it sip/analogue/extension calling to ring group ?
- is it sip/analogue/extension calling a queue?
ucm6202, sip, outbound calls.
UCM route or switch ?
Catch packets Ethernet packet to see what is going there.