Gxp1625 1 not answering when pickup handset 1 outbound rings 2 times then nothing


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.