To my knowledge, there's no way to have the phone display a number other than the called number... The best way would be to push back on your PSTN provider for their bizarre way of operating.I have never seen this as a requirement from a PSTN provide...

I had a very similar issue with a client once.If I created a new user account, the softphone was inaccessible.If I modified an existing account's userid, the softphone was inaccessible. (This is really what confirmed to me that it was probably a bug)...

I've seen many problems similar to this. You can try:Factory Resetting the phoneRe-creating the pick-up groupRestarting the Call Manager ServiceIf any of these work, it's not a configuration issue that can be fixed, and you're probably hitting a memo...

The behavior is, that you are able to log into Cisco Jabber, but the softphone feature doesn't work?Since you didn't include it in the configuration process, I have to ask did you add the UC Service in the end user profile?Were you able to test this ...

I think this thread is relevant to your question:https://community.cisco.com/t5/unified-communications-infrastructure/unity-relay-to-distribution-list/td-p/3396523If you're using SMTP relay, the voicemail is going to be sent using SMTP without authen...