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Support Microsoft Teams shorter meeting URLs (teams.microsoft.com/meet/...) #857

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Copilot Feb 25, 2026
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Add support for shorter Teams meeting URLs (https://teams.microsoft.c…
Copilot Feb 25, 2026
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17 changes: 17 additions & 0 deletions Samples/Common/Sample.Common.Beta/Meetings/JoinInfo.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,23 @@ public static (ChatInfo, MeetingInfo) ParseJoinURL(string joinURL)
{
var decodedURL = WebUtility.UrlDecode(joinURL);

//// Shorter URL format: https://teams.microsoft.com/meet/<meetingId>?p=<passcode>
var shortUrlRegex = new Regex("https://teams\\.microsoft\\.com/meet/(?<meetingId>[^?]+)(?:\\?p=(?<passcode>[^&]+))?");
var shortUrlMatch = shortUrlRegex.Match(decodedURL);
if (shortUrlMatch.Success)
{
var meetingId = shortUrlMatch.Groups["meetingId"].Value;
var passcode = shortUrlMatch.Groups["passcode"].Success ? shortUrlMatch.Groups["passcode"].Value : null;

var meetingInfo = new JoinMeetingIdMeetingInfo
{
JoinMeetingId = meetingId,
Passcode = passcode,
};

return (null, meetingInfo);
}

//// URL being needs to be in this format.
//// https://teams.microsoft.com/l/meetup-join/19:cd9ce3da56624fe69c9d7cd026f9126d@thread.skype/1509579179399?context={"Tid":"72f988bf-86f1-41af-91ab-2d7cd011db47","Oid":"550fae72-d251-43ec-868c-373732c2704f","MessageId":"1536978844957"}

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17 changes: 17 additions & 0 deletions Samples/Common/Sample.Common.V1/Meetings/JoinInfo.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,23 @@ public static (ChatInfo, MeetingInfo) ParseJoinURL(string joinURL)
{
var decodedURL = WebUtility.UrlDecode(joinURL);

//// Shorter URL format: https://teams.microsoft.com/meet/<meetingId>?p=<passcode>
var shortUrlRegex = new Regex("https://teams\\.microsoft\\.com/meet/(?<meetingId>[^?]+)(?:\\?p=(?<passcode>[^&]+))?");
var shortUrlMatch = shortUrlRegex.Match(decodedURL);
if (shortUrlMatch.Success)
{
var meetingId = shortUrlMatch.Groups["meetingId"].Value;
var passcode = shortUrlMatch.Groups["passcode"].Success ? shortUrlMatch.Groups["passcode"].Value : null;

var meetingInfo = new JoinMeetingIdMeetingInfo
{
JoinMeetingId = meetingId,
Passcode = passcode,
};

return (null, meetingInfo);
}

//// URL being needs to be in this format.
//// https://teams.microsoft.com/l/meetup-join/19:cd9ce3da56624fe69c9d7cd026f9126d@thread.skype/1509579179399?context={"Tid":"72f988bf-86f1-41af-91ab-2d7cd011db47","Oid":"550fae72-d251-43ec-868c-373732c2704f","MessageId":"1536978844957"}

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28 changes: 28 additions & 0 deletions Samples/Common/Sample.Common/Meetings/JoinInfo.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
namespace Sample.Common.Meetings
{
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Runtime.Serialization;
Expand All @@ -28,6 +29,33 @@ public static (ChatInfo, MeetingInfo) ParseJoinURL(string joinURL)
{
var decodedURL = WebUtility.UrlDecode(joinURL);

//// Shorter URL format: https://teams.microsoft.com/meet/<meetingId>?p=<passcode>
var shortUrlRegex = new Regex("https://teams\\.microsoft\\.com/meet/(?<meetingId>[^?]+)(?:\\?p=(?<passcode>[^&]+))?");
var shortUrlMatch = shortUrlRegex.Match(decodedURL);
if (shortUrlMatch.Success)
{
var meetingId = shortUrlMatch.Groups["meetingId"].Value;
var passcode = shortUrlMatch.Groups["passcode"].Success ? shortUrlMatch.Groups["passcode"].Value : null;

var additionalData = new Dictionary<string, object>
{
{ "joinMeetingId", meetingId },
};

if (passcode != null)
{
additionalData["passcode"] = passcode;
}

var meetingInfo = new TokenMeetingInfo
{
ODataType = "#microsoft.graph.joinMeetingIdMeetingInfo",
AdditionalData = additionalData,
};

return (null, meetingInfo);
}

//// URL being needs to be in this format.
//// https://teams.microsoft.com/l/meetup-join/19:cd9ce3da56624fe69c9d7cd026f9126d@thread.skype/1509579179399?context={"Tid":"72f988bf-86f1-41af-91ab-2d7cd011db47","Oid":"550fae72-d251-43ec-868c-373732c2704f","MessageId":"1536978844957"}

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4 changes: 2 additions & 2 deletions Samples/PublicSamples/EchoBot/src/EchoBot/Bot/BotService.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -194,7 +194,7 @@ public async Task<ICall> JoinCallAsync(JoinCallBody joinCallBody)

var (chatInfo, meetingInfo) = JoinInfo.ParseJoinURL(joinCallBody.JoinUrl);

var tenantId = (meetingInfo as OrganizerMeetingInfo).Organizer.GetPrimaryIdentity().GetTenantId();
var tenantId = (meetingInfo as OrganizerMeetingInfo)?.Organizer.GetPrimaryIdentity()?.GetTenantId();
var mediaSession = this.CreateLocalMediaSession();

var joinParams = new JoinMeetingParameters(chatInfo, meetingInfo, mediaSession)
Expand All @@ -215,7 +215,7 @@ public async Task<ICall> JoinCallAsync(JoinCallBody joinCallBody)
};
}

if (!this.CallHandlers.TryGetValue(joinParams.ChatInfo.ThreadId, out CallHandler? call))
if (chatInfo == null || !this.CallHandlers.TryGetValue(chatInfo.ThreadId, out CallHandler? call))
{
var statefulCall = await this.Client.Calls().AddAsync(joinParams, scenarioId).ConfigureAwait(false);
statefulCall.GraphLogger.Info($"Call creation complete: {statefulCall.Id}");
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19 changes: 18 additions & 1 deletion Samples/PublicSamples/EchoBot/src/EchoBot/Models/JoinInfo.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,7 @@ public class JoinInfo
/// <exception cref="ArgumentException">Join URL cannot be null or empty: {joinURL} - joinURL</exception>
/// <exception cref="ArgumentException">Join URL cannot be parsed: {joinURL} - joinURL</exception>
/// <exception cref="ArgumentException">Join URL is invalid: missing Tid - joinURL</exception>
public static (ChatInfo, MeetingInfo) ParseJoinURL(string joinURL)
public static (ChatInfo?, MeetingInfo) ParseJoinURL(string joinURL)
{
if (string.IsNullOrEmpty(joinURL))
{
Expand All @@ -43,6 +43,23 @@ public static (ChatInfo, MeetingInfo) ParseJoinURL(string joinURL)

var decodedURL = WebUtility.UrlDecode(joinURL);

//// Shorter URL format: https://teams.microsoft.com/meet/<meetingId>?p=<passcode>
var shortUrlRegex = new Regex("https://teams\\.microsoft\\.com/meet/(?<meetingId>[^?]+)(?:\\?p=(?<passcode>[^&]+))?");
var shortUrlMatch = shortUrlRegex.Match(decodedURL);
if (shortUrlMatch.Success)
{
var meetingId = shortUrlMatch.Groups["meetingId"].Value;
var passcode = shortUrlMatch.Groups["passcode"].Success ? shortUrlMatch.Groups["passcode"].Value : null;

var meetingInfo = new JoinMeetingIdMeetingInfo
{
JoinMeetingId = meetingId,
Passcode = passcode,
};

return (null, meetingInfo);
}

var regex = new Regex("https://teams\\.microsoft\\.com.*/(?<thread>[^/]+)/(?<message>[^/]+)\\?context=(?<context>{.*})");
var match = regex.Match(decodedURL);
if (!match.Success)
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19 changes: 18 additions & 1 deletion Samples/PublicSamples/PsiBot/PsiBot/PsiBot.Service/Bot/BotService.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -141,7 +141,7 @@ public async Task<ICall> JoinCallAsync(JoinCallBody joinCallBody)

var (chatInfo, meetingInfo) = ParseJoinURL(joinCallBody.JoinURL);

var tenantId = (meetingInfo as OrganizerMeetingInfo).Organizer.GetPrimaryIdentity().GetTenantId();
var tenantId = (meetingInfo as OrganizerMeetingInfo)?.Organizer.GetPrimaryIdentity()?.GetTenantId();
var mediaSession = this.CreateLocalMediaSession();

var joinParams = new JoinMeetingParameters(chatInfo, meetingInfo, mediaSession)
Expand Down Expand Up @@ -338,6 +338,23 @@ private CallHandler GetHandlerOrThrow(string callLegId)

var decodedURL = WebUtility.UrlDecode(joinURL);

//// Shorter URL format: https://teams.microsoft.com/meet/<meetingId>?p=<passcode>
var shortUrlRegex = new Regex("https://teams\\.microsoft\\.com/meet/(?<meetingId>[^?]+)(?:\\?p=(?<passcode>[^&]+))?");
var shortUrlMatch = shortUrlRegex.Match(decodedURL);
if (shortUrlMatch.Success)
{
var meetingId = shortUrlMatch.Groups["meetingId"].Value;
var passcode = shortUrlMatch.Groups["passcode"].Success ? shortUrlMatch.Groups["passcode"].Value : null;

var meetingInfo = new JoinMeetingIdMeetingInfo
{
JoinMeetingId = meetingId,
Passcode = passcode,
};

return (null, meetingInfo);
}

//// URL being needs to be in this format.
//// https://teams.microsoft.com/l/meetup-join/19:cd9ce3da56624fe69c9d7cd026f9126d@thread.skype/1509579179399?context={"Tid":"72f988bf-86f1-41af-91ab-2d7cd011db47","Oid":"550fae72-d251-43ec-868c-373732c2704f","MessageId":"1536978844957"}

Expand Down