SIP Error 485 Ambiguous

A customer was facing the problem that it was not possible to reach a certain contact person on his E164 number. The first thing to check was in this case the Audiocodes Syslog Viewer. What is happening with the call? Does the call reach the Mediant or Skype for Business Server? So i called the number from my own Skype for business Client. I received the following error. Let’s check the Syslog Viewer: Continue reading

Network Performance requirements

Network Performance requirements from a Skype for Business client to Microsoft network Edge For optimal Skype for Business media quality, the following network performance metrics targets or thresholds are required for a connection from your company’s network to the Microsoft network Edge. This segment of the network includes your internal network, this includes all WiFi and Ethernet connections, any company site-to-site traffic over a WAN connection, for example Multiprotocol Label Switching (MPLS), as well as the Internet or ExpressRoute partner connections to the Microsoft network Edge. Continue reading

Cannot insert duplicate key row in object ‘dboAgents’ with unique index ‘IX_Agents_UserSid’

If you need to quickly move a user from one Response Group to another, you may well encounter the following error message…. Wait for the following message in the event viewer. (It takes some time to update) Then add the user to the new Reponse Group

How to preload attachments for Skype for Business Online meetings

There’s a new feature in Skype for Business Online, you can now preload documents for Skype Meetings. / Let’s Go Create a new Skype meeting in Outlook Go to the insert tab, click Attach File (or outlook item) and select the attachment you want to add in the meeting. Now just send the meeting! When you join the meeting a information bar will display saying: meeting content is addedd Click the screen item (with the red dot) and select manage content. Continue reading

How can I fix error code 0x80310000 for windows 10 mobile update?

Lumia 830 I am using an Microsoft Lumia 830 for work. Every time I try to get the “Microsoft Update for Windows Phone-Windows 10 Mobile 10.0.14393.1066, the phone downloads the update, but cannot install it. I received error code 0x80310000. How to fix this error (0x80310000): Turn off your device encryption if you have it turned on. It helped for me, make sure you reboot your device after deactivating device encryption. Continue reading

QoS troubleshooting with Wireshark

QoS During my work i have a lot of VoIP traffic related queries/questions. I’m using this configuration to check if packets are being tagged with the right DSCP values. / Add DSCP column to your Wireshark Client Right click on one of the existing columns. Click on column preferences Click Add down the bottom Click on the “New Column” Label and change it to “DSCP” then hit enter once. With the new entry highlighted, change the Field Type to Custom (in the dropdown box) In field name, copy and paste in _ip. Continue reading

RDCMan to Hyper-V console

Remote Desktop Connection Manager is a essential tool if you run a lot of virtual machines or need to connect to a lot of customers as i do. One of the new features in version 2.7 allows the ability to connect directly to virtual machines (called virtual machine connect-to-console support). Configuring a connection for this new feature is rather easy once you have the ID of the virtual machine. The following PowerShell command should do the trick: Continue reading