Looking for some assistance in troubleshooting a VOIP site using a SIP service for voice traffic. The location is reporting issues of outbound and inbound calls that are cutting out, static, crackling and poopping, garbled and echo on both ends of the call. A log has been kept and there is no real pattern. Both outbound and inbound calls are affected and but not constant. Also isues when an incoming call leaves a message, the voicemail recording is garbled and barely audible.
We are working with Verizon on possible bandwidth loss issues. We are not seeing any packet loss on our end. Our environment is:
Call Manager 8.5
Unity Connections 8.5
Router - 2911 Version 15.0(1r)M
Site is using 7942 phones
The site is in Wisconsin, CM's servers in Michigan. Wisconsin site has a 3MB WAN connnection back to Michigan. Below is the info from the show sip-ua statistics command:
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.