Category Archives: MS Teams

In this post we will show you how to use Microsoft Graph PowerShell to view and manage Microsoft 365 Licenses. Let’s say you decided to start using M365 services. You created a new M365 Tenant & purchased required M365 product … Continue reading →

In this post we will try to analyze Teams call flow using Wireshark tool. For this demonstration we will take 2 users (User1 & User2). User1 will try to establish call with User2 and based on their location (direct connection, … Continue reading →

SDP (Session Description Protocol) is as good as saying like how I am reachable & what all we can use to communicate with each other. To compare it with real life analogy, let’s say someone want to reach us. We … Continue reading →

Call Controller (CC)– This component take care of various call related operation in O365, this includes Reverse number lookup, call progress, routing calls to/from PSTN.  Sends a roster of connected callers & if required then ring multiple endpoints.  Coordinates Call Me … Continue reading →

VoIP is a way of transferring audio and even video information all-across the Internet. But sending this type of real time data over the internet isn’t as simple as attaching a file to your email or sharing it via OneDrive etc… … Continue reading →

In a previous blog post we walked through the steps to configure Microsoft Teams environment for Location Based routing for PSTN calling. In this blog post, we will try to understand the call flow in LBR Setup. Below flow-chart depict the call … Continue reading →

Direct routing is a feature where you can bring your own telecom carrier for making PSTN call from Teams client. Logically most of the certified SBC follow same logic. But the option & terminology is slightly different. Audiocodes SBC are … Continue reading →

Often we come across scenario where we have direct routing setup for few users, additionally we have also bought few number with MS calling plans. Now we also have another option of operator connect to buy calling plans from MS … Continue reading →

Signaling Description: These protocols are responsible for the establishment, preservation and tearing down of call sessions. They are also responsible for the negotiation of session parameters such as codecs, tones, bandwidth capabilities, etc. Media Description: A protocol is designed to … Continue reading →

Very often we come across scenario where we need to configure E911 for Teams. Especially in US, after introduction of two laws (Ray/Baum act & Kari law). It is very important to understand the E911 call flow for its proper … Continue reading →

One among the interesting scenario is port-out number from MS calling to Direct routing. Scenario will be where currently you are using MS calling plan. You have purchased Domestic and International calling plan from Microsoft. So today your users are … Continue reading →

SIP (Session Initiation Protocol) is the protocol used for signaling in VOIP communication. When 2 sip User agent want to communicate with each other, first they need to initiate the session. SIP is the protocol which will help in establishing … Continue reading →

Organization are migrating from legacy phone system to Microsoft Teams by adopting Teams Phone System as a replacement for their traditional PBX systems. There are general scenario where organizations are having common area phones such as at reception. In these … Continue reading →

Microsoft Teams leverage Media Bypass benefit with Direct Routing configuration. This is basically to shorten the path between Teams client and SBC/PSTN gateway. Normally, voice traffic or media traffic will travel from the Teams client to Media Relay servers in … Continue reading →

Dial Plan are set of rules which translate the phone number dialed by user to E.164 format. E.164 is the international telephone numbering plan that ensures each device on the PSTN has globally unique number. This number allows phone calls … Continue reading →

Sometime we come across a scenario where we need to ensure that calls going outside the country/region need to go out through local carrier PSTN gateway. This is basically to meet the telecom regulation of that country/region. While leveraging teams … Continue reading →

Generate logs in MS Teams: Open MS Teams, then Press Ctrl + Alt + Shift + 1 This will generate logs in Downloaded folder of your Windows PC. Folder will be generated with timestamp and it will contain 3 folders.

Dynamic emergency calling is a mechanism to notify emergency help services during an emergency scenario & this will be based on the location of the Teams Client. This will work with Microsoft Calling plan, Operator connect & Direct Routing. The … Continue reading →

Lets try to investigate what happens when user dials a PSTN number from their MS Teams client. User launched dial pad in MS Teams. User dialed a number +1-425-765-6xxx Check for the dial plan (policy) assigned to the user. If … Continue reading →

Create Resource account for call queue and auto attendant. Basically this is the account which will be mapped to call queue Or auto-attendant and a phone number will be assigned to these resource accounts. PS C:\>New-CsOnlineApplicationInstance -UserPrincipalName “RA_CQ@domain.com” -DisplayName “Test … Continue reading →

Operator connect provide a way to enhance your Teams calling experience. With the help of operator connect you can call any mobile, landline or PSTN number directly from your Teams app. To configure Operator connect you need to have required … Continue reading →

Call Routing Method is an important aspect while we configure Call queues in MS teams. Its important to understand so that agent doesn’t gets overloaded and shares equal loads of incoming calls. In MS teams we have 4 type of … Continue reading →

Create resource account from MS Teams Admin center. Select the resource account type to Call queue. Assign free license to resource account. Microsoft Team Phone system-Virtual User License assignment need to done from Microsoft 365 admin center.