Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
1 answer
DLC10 access
I have a paid azure subscription with communication services enabled. I am trying to enable 10DLC, and everytime I try to do register my brand (the 1st step), I get a message that my subscription is not eligible. I can't figure out why it is not…
Azure Communication Services
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(201.6, 28.999999999999996%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ET%3C/text%3E%3C/svg%3E)
1 answer
ACS Email Domain Verification Stuck at “NotStarted” Despite Correct DNS
I’m trying to verify a domain for Azure Communication Services Email. The TXT verification record shows Verified, but SPF, DKIM, and DMARC have been stuck at NotStarted for more than 24 hours. All DNS records are present, valid, and globally propagated.…
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2026-07-02T10:49:23.2866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(243.2, 7.000000000000001%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGJ%3C/text%3E%3C/svg%3E)
Glenn Jones
0
Reputation points
commented 2026-07-02T10:53:38.8833333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(80, 7.000000000000001%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPM%3C/text%3E%3C/svg%3E)
Praneeth Maddali
10,705
Reputation points Microsoft External Staff
Moderator
0 answers
ACS Direct Routing SBC Status Stuck on "Unknown"
Session Border Controller (SBC) registered in Azure Communication Services (ACS) Direct Routing remains in "Unknown" status (Status / TLS Status / Ping all show Unknown) despite the SBC (anynode) successfully completing TCP and TLS handshakes…
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2026-07-01T15:47:51.07+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(86.4, 55.00000000000001%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESE%3C/text%3E%3C/svg%3E)
Support Engineer
0
Reputation points
commented 2026-07-01T18:03:59.5733333+00:00
Support Engineer
0
Reputation points
2 answers
ACS Toll-Free Verification - CP 575 Upload
Message from regulatory documents -> Hello, Upon review of your toll-free verification application by the toll-free messaging aggregator, your application has been rejected for the following reason: business registration number is missing or invalid.…
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2026-06-29T13:54:39.3033333+00:00
Tim Wheeler
0
Reputation points
commented 2026-06-30T16:09:15.05+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(153.6, 51%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAN%3C/text%3E%3C/svg%3E)
Aditya N
2,990
Reputation points Microsoft External Staff
Moderator
2 answers
One of the answers was accepted by the question author.
Verification Request for toll free number in azure communication services is failing
The issue is I am unable to do kyc for a toll free number purchased under "azure communication services" After filling the form for verification and hitting submit I am seeing the error attahced
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2026-06-23T05:55:52.98+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(105.60000000000001, 2%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAA%3C/text%3E%3C/svg%3E)
Ali Abrar Mohammed
40
Reputation points
commented 2026-06-29T14:10:06.34+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(12.8, 10%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETI%3C/text%3E%3C/svg%3E)
Tech Initiative
0
Reputation points
2 answers
Intermittent remote video render failure (code 408 / subCode 43203) — audio OK, correlated with Firefox on the sender side
Problem summary We integrate the Azure Communication Services Calling SDK for video calls in our web application. On some connections, client A is unable to display the video stream of a remote participant B, while audio from the same participant works…
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2026-06-16T15:15:52.29+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(166.4, 71%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBL%3C/text%3E%3C/svg%3E)
Bastien Lafont
0
Reputation points
edited an answer 2026-06-29T13:57:54.5666667+00:00
Aditya N
2,990
Reputation points Microsoft External Staff
Moderator
2 answers
Toll-free Verification status is 'Submitted' for > 8 weeks now
I submitted the toll-free verification for sms communication service over 8 weeks ago now. The status has been 'Submitted' ever since then. What should I be expecting for current timelines? All I've been able to find in the FAQ is the whole process may…
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2026-06-27T04:24:33.23+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(214.4, 59%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERM%3C/text%3E%3C/svg%3E)
Ryan Morris
0
Reputation points
answered 2026-06-29T02:01:51.8366667+00:00
Praneeth Maddali
10,705
Reputation points Microsoft External Staff
Moderator
1 answer
Telephony and SMS new toll free phone number stuck in 'verifying' for months
In Communication Services -> Telephony and SMS I purchased a toll free phone number. It's status is 'Active' but for 'SMS' it has said 'Verification in progress' for months. I can't find any option to do anything about that. How can I find out more…
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(118.4, 88%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC%3C/text%3E%3C/svg%3E)
2 answers
ACS SDK WinUI3 App crashes randomly in MSVCP140.dll after video call teardown
Our app makes repeated outgoing video calls (1-to-1, Teams interop). After several calls in a session, the app crashes randomly during hangup process at some nth call with a fatal access violation inside MSVCP140.dll Exception: 0xc0000005 It seems like…
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 28.000000000000004%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
Azure Communication Service SMS Rejection
One reason for my rejection was 1201 - website must be established and active I purchased my domain and all that exists for a site at this time is the default created by the domain requestor. Do I have to have a completed website for this application…
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(294.40000000000003, 49%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKH%3C/text%3E%3C/svg%3E)
0 answers
Join: Microsoft Azure Q&A Champions Program
The Microsoft Azure Q&A Champions Program recognizes and empowers a global community of internal and external Azure experts who help customers succeed by providing high-quality, trusted answers on Microsoft Q&A. The program scales expert led…
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2026-05-25T23:24:00.4266667+00:00
Ashley Swearingen
0
Reputation points Microsoft External Staff
Moderator
edited the question 2026-06-23T19:17:49.57+00:00
Ashley Swearingen
0
Reputation points Microsoft External Staff
Moderator
2 answers
Server Not Responding Regulatory Documents
Server not responding Unable to access regulatory documents right now. Please try again later. This Error pops up when submitting regulatory documents for approval again.
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2025-12-30T18:27:30.25+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(28.799999999999997, 14.000000000000002%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EK%3C/text%3E%3C/svg%3E)
KHill
5
Reputation points
commented 2026-06-22T20:28:50.9666667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(9.6, 69%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDV%3C/text%3E%3C/svg%3E)
Dhana Veeramachaneni
0
Reputation points
1 answer
Email Communications Service - Validate SPF for Nested SPF Record.
I need to validate an SPF record for a mail domain, but our Production SPF has two nested records, which includes "include:spf.protection.outlook.com". This is production for a large number of users and systems. Domain ownership and DKIM are…
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2026-06-15T16:00:31.7633333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(156.8, 48%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EWP%3C/text%3E%3C/svg%3E)
Will Perry
0
Reputation points
edited an answer 2026-06-22T19:37:10.6866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(99.2, 85%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGV%3C/text%3E%3C/svg%3E)
Golla Venkata Pavani
6,185
Reputation points Microsoft External Staff
Moderator
1 answer
One of the answers was accepted by the question author.
Azure Communication Services Email SMTP custom domain — limit for MailFrom / From addresses
Hello Microsoft Support Team, I am using Azure Communication Services Email with SMTP and a custom verified domain. Example configuration: Custom domain: gt.co.uk Current MailFrom / From address: ******@gt.co.uk Display name: UAT Sending method:…
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2026-06-19T06:15:07.8166667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(230.39999999999998, 91%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFR%3C/text%3E%3C/svg%3E)
Faisal Riaz
175
Reputation points
accepted 2026-06-22T04:51:29.9433333+00:00
Faisal Riaz
175
Reputation points
0 answers
Toll-Free Verification submission stuck in Submitted status past the 8-week window
Hello, I have a Toll-Free Verification application that has been sitting in the "Submitted" state for more than 8 weeks with no progress, no comments, and no requests for additional information from the downstream aggregator. Per current…
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2026-06-16T18:27:52.7633333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(102.4, 64%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECC%3C/text%3E%3C/svg%3E)
Chris Collins
0
Reputation points
commented 2026-06-17T22:22:00.13+00:00
Golla Venkata Pavani
6,185
Reputation points Microsoft External Staff
Moderator
2 answers
Server not responding Unable to access regulatory documents right now. Please try again later.
I am attempting to update regulatory documents for SMS messaging, receiving this error constantly: Server not responding Unable to access regulatory documents right now. Please try again later.
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2026-06-16T14:03:46.3066667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(204.8, 71%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEP%3C/text%3E%3C/svg%3E)
ERIC PROSHUTO
0
Reputation points
answered 2026-06-17T14:44:37.9633333+00:00
ERIC PROSHUTO
0
Reputation points
0 answers
ACS Call Recording - silent BYOS export failure with permanent media data loss (suspected cross-region/HADR finalization); escalation requested
Hello Azure Microsoft support, We have a production data-loss incident on our ACS call recording and are requesting escalation to the ACS product/engineering team. On 2026-06-12T16:03:33.4998814Z a single recording failed to export its media (MP4) to…
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2026-06-16T12:44:33.14+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(172.8, 25%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAK%3C/text%3E%3C/svg%3E)
Alexander Karaberov
0
Reputation points
edited the question 2026-06-17T14:35:14.41+00:00
Alexander Karaberov
0
Reputation points
0 answers
VOCA ACS Issue
Have configured ACS and VOCA CIC cannot validate. Issues connecting to Azure
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2026-06-05T00:07:36.51+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(278.4, 91%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC%3C/text%3E%3C/svg%3E)
Colin
0
Reputation points
commented 2026-06-17T06:23:57.0133333+00:00
Praneeth Maddali
10,705
Reputation points Microsoft External Staff
Moderator
1 answer
ACS Email to iCloud rejected 554 5.7.1 [BS01] - shared pool IP reputation / PTR
ACS Email to iCloud/Apple addresses (@iclXXX.com, @XX.com) is rejected with: 554 5.7.1 [BS01] Message rejected due to local policy (https://support.apple.com/en-us/HT204137) This is affecting real production users who cannot receive invite/credential…
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2026-06-08T23:05:53.77+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(281.6, 44%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAA%3C/text%3E%3C/svg%3E)
Abdessamade Abarchihi
0
Reputation points
edited the question 2026-06-16T18:23:53.6133333+00:00
Golla Venkata Pavani
6,185
Reputation points Microsoft External Staff
Moderator
3 answers
Toll-free SMS not delivering to end users despite ACS 202 acceptance
Issue: Using Azure Communication Services with a toll-free number for SMS delivery. Every send returns HTTP 202 (accepted) from ACS but messages are not delivered to end users on Verizon or Straight Talk networks. Setup: Toll-free number purchased…
Azure Communication Services
Azure Communication Services
An Azure communication platform for deploying applications across devices and platforms.
1,707 questions
asked 2026-05-15T22:45:11.71+00:00
ERIC PROSHUTO
0
Reputation points
answered 2026-06-16T15:50:34.51+00:00
ERIC PROSHUTO
0
Reputation points