SfB Server 2015: SIP/2.0 503 Service Unavailable

While working on a PSTN integration with Skype for Business Server 2015, we notice that the inbound calls were being rejected immediately with SIP/2.0 503 Service Unavailable: TL_INFO(TF_PROTOCOL) [festd\festd]6984.23A4::03/06/2017-22:56:29.167.0000245B (S4,SipMessage.DataLoggingHelper:sipmessage.cs(801)) [4223311279] >>>>>>>>>>>>Outgoing SipMessage c=[<SipTcpConnection_1ACDDA8>], 172.20.20.40:5068->172.20.15.39:56945 SIP/2.0 503 Service Unavailable FROM: "Joule Adams"<sip:09920156101;phone-context=PrivateUnknown@recore.lab;user=phone>;tag=f0d14b5566;epid=8CE36BBBAB TO: <sip:+449920207101@172.20.20.40;user=phone>;tag=9837f16c5d;epid=14123C3787 CSEQ: 12538 INVITE CALL-ID: 49bfd2ea-8753-4651-a8aa-d7b48d066d93 VIA: SIP/2.0/TCP 172.20.15.39:56945;branch=z9hG4bKdab2e468 CONTENT-LENGTH: 0 SERVER: RTCC/6.0.0.0 … Continue reading SfB Server 2015: SIP/2.0 503 Service Unavailable

Lync Server: Event 41029 LS Data MCU – No connectivity with the Lync Web App

In a recent support case we were working on an issue where sometimes the users couldn't use the Lync Web App. The troubleshooting started in the Event Viewer > Lync Server, we notice that we had a few errors: Log Name: Lync Server Source: LS Data MCU Date: 01/03/2017 15:00:43 Event ID: 41029 Task Category: (1018) Level: … Continue reading Lync Server: Event 41029 LS Data MCU – No connectivity with the Lync Web App

Lync/SfB Server: Manually update the Edge Server Configuration

In a recent support case we had a case that the customer had some urgency to add a new Allowed Domain to be quickly pushed to his Skype for Business 2015 Edge Servers. However, the replication wasn't working: Get-CsManagementStoreReplicationStatus | ft -AutoSize https://docs.microsoft.com/powershell/module/skype/Get-CsManagementStoreReplicationStatus An easy solution to this is to perform a manual update and … Continue reading Lync/SfB Server: Manually update the Edge Server Configuration

MSPL: How to monitor calls that are allowed/blocked by CallerIDBlock

While reviewing a comment on Missed call notification when the call is blocked by CallerIDBlock MSPL Script we realize that the calls blocked by the CallerIDBlock are hard to track. An easy way to get an event for each blocked call is to use the Log function: MSPL built-in functions > Log https://docs.microsoft.com/previous-versions/office/developer/mspl/dn439170(v=office.15) The CallerIDBlock previous version (1.1) sends the … Continue reading MSPL: How to monitor calls that are allowed/blocked by CallerIDBlock

Cannot Sign-in to Office 365 in SfB Control Panel – Exception of type ‘Microsoft.LiveID.IDCRL.IDCRLException’ was thrown

In a new Skype for Business Server 2015 lab we tried to sign-in to Office 365 in the Skype for Business Control Panel: But after a few seconds we got the following error message: We couldn't log in to your Office 365 account. Please check the errors and then select OK to try again: Get-CsWebTicket: Exception of … Continue reading Cannot Sign-in to Office 365 in SfB Control Panel – Exception of type ‘Microsoft.LiveID.IDCRL.IDCRLException’ was thrown

Lync/SfB Server: Create a custom announcement for Unanswered Calls

We were asked if we could customize the sound/tone for unanswered calls when the called user isn't voice mail enabled. Usually the mobile networks will play a announcement like "Sorry, the person you tried to call isn't available please try again later". In Lync/SfB Server we cannot change the default tone, however, we can use … Continue reading Lync/SfB Server: Create a custom announcement for Unanswered Calls

CallerIDBlock: Version 1.1 release notes

It's been a while since we looked at the Blocking Calls on Lync Server and Skype for Business Based on Caller ID. Since then, we had an update related to the script Missed call notification when the call is blocked by CallerIDBlock MSPL Script, but the MSPL Script remained the same (created by VoIPNorm’s UC Blog – Blocking … Continue reading CallerIDBlock: Version 1.1 release notes

Missing Kerberos Account Assignments after SfB Server 2015 In-place Upgrade

Recently we were asked why in a multi site deployment the Kerberos Account Assignments disappeared on a global level, after a single site performed an In-Place Upgrade to Skype for Business Server 2015. When we look at the planning details for the In-Place Upgrade to Skype for Business Server 2015, it mentions that we need to have additional considerations … Continue reading Missing Kerberos Account Assignments after SfB Server 2015 In-place Upgrade

Lync/SfB: How to change Persistent Chat Privacy Web Form

Recently we were asked to disable the Open Room creation in Persistent Chat. The purpose was to only allow users to create Private or Closed Rooms from the website. After some research we didn't find any setting/policy that could disable or remove that option. The only option was to try to find in the web … Continue reading Lync/SfB: How to change Persistent Chat Privacy Web Form

Missed call notification when the call is blocked by CallerIDBlock MSPL Script

After deploying the CallerIDBlock script, some users mentioned that they received a Missed Call Notification in their mailbox. During our troubleshooting process, we found out that this was happening because the priority of the CallerIDBlock was low: Get-CsServerApplication | ft -AutoSize https://docs.microsoft.com/powershell/module/skype/Get-CsServerApplication In this example, the CallerIDBlock has priority 12, while DefaultRouting has 8. The Missed Call Notification is generated by … Continue reading Missed call notification when the call is blocked by CallerIDBlock MSPL Script