IP Telephony and Phones

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Unity 12.5 Mailbox Full

When I get routed to a specific user mailbox from an internal number, the greeting plays followed by a message that says the mailbox is full so I can't leave a message.If I call it from an external number (my cell) I can leave a message.In reality, t...

Third party SIP devices

Hi I have registered three 3rd party sip devices to my cucm 12.51- grandstream 33802-grandstream 26133- Huawei espacethey are all registered. calls between grandstreams 3380 and Huawei is working fine. my issue is with grandstream 2613 which can call...

usama by Beginner
  • 6 replies
  • 0 Helpful votes

3905 Dialing Delay

Hi all I've got several different models of phone running in SIP mode on my network. I'm trying to get a new 3905 up and playing nice. Everything seems to be working except for a dialing delay when making calls. I can tell the phone is at least partl...

papkee by Beginner
  • 9 replies
  • 0 Helpful votes